21864

Number 21864 is an even five-digits composite number and natural number following 21863 and preceding 21865.

Properties of the number 21864

Nominal	21864
Cardinal	twenty-one thousand eight hundred sixty-four
Cardinal twenty-one thousand eight hundred sixty-four
Ordinal	21,864th
Number of digits	5
Sum of digits	21
Product of digits	384
Number parity	Even

Previous number is 21863

Next number is 21865

Calculation was done in 0.0000371933 seconds

Prime Factorization of 21864

Prime factorization	2 x 2 x 2 x 3 x 911
Prime factorization in exponent form	2³ x 3 x 911
Prime factors	2, 3, 911
Number of distinct prime factors ω(n)	3
Total number of prime factors Ω(n)	5
Sum of prime factors	916
Product of prime factors	5466

Calculation was done in 0.0000271797 seconds

Divisors of 21864

List of proper divisors	1, 2, 3, 4, 6, 8, 12, 24, 911, 1822, 2733, 3644, 5466, 7288, 10932
List of all dividers	1, 2, 3, 4, 6, 8, 12, 24, 911, 1822, 2733, 3644, 5466, 7288, 10932, 21864
Number of divisors d(n)	16
Sum of all divisors σ(n)	54720
Aliquot sum	32856
21864 is an abundant number , because the sum of its proper divisors (32856) is greater than itself. Its abundance is 10992.

Calculation was done in 0.0000219345 seconds

Prime numbers

Is 21864 a prime number?	No
Is 21864 a semiprime number?	No
Is 21864 a Chen prime number?	No
Is 21864 a Mersenne prime number?	No

Previous prime is 21863

Next prime is 21871

Calculation was done in 0.0010271072 seconds

Sequences

Is 21864 a Catalan number?	No
Is 21864 a Fibonacci number?	No
Is 21864 a Idoneal number?	No

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Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.

21864 is not a Happy number

21864 is not a Humble number

21864 is not a Münchhausen number

21864 is not a Perfect number

21864 is not a Perfect square

21864 is not a Palindrome

Calculation was done in 0.0091810226 seconds

Numeric Bases of 21864

In mathematics, a base or radix of a numeral system is the number of unique digits, including zero, used to represent numbers in that system.

Base	System	Value
2	Binary	101010101101000₂
3	Ternary	1002222210₃
4	Quaternary	11111220₄
5	Quinary	1144424₅
6	Senary	245120₆
7	Septenary	120513₇
8	Octal	52550₈
9	Nonary	32883₉
10	Decimal	21864
12	Duodecimal	107a0₁₂
16	Hexadecimal	5568₁₆
20	Vigesimal	2ed4₂₀
36	Base36	gvc₃₆
60	Sexagesimal	64O₆₀

Calculation was done in 0.0000200272 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.

Square of 21864 (n²)	478034496
Cube of 21864 (n³)	10451746220544
Square root of 21864	147.8648031142
Natural Logarithm (ln) of 21864	9.9925967276079
Decimal Logarithm (log) of 21864	4.3397296186846

Calculation was done in 0.0000081062 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.

Sine of 21864	-0.99631051691167
Cosecant of 21864	-1.0037031457821
Cosine of 21864	0.085821639993646
Secant of 21864	11.652072834707
Tangent of 21864	-11.60908270904
Cotangent of 21864	-0.086139450037799

Calculation was done in 0.0000050068 seconds

Number parity

Parity is the property of an integer of whether it is even or odd.

Is 21864 an Even Number?

Yes, the number 21864 is an even number.

Is 21864 an Odd Number?

Previous even number is 21862

Next even number is 21866

Calculation was done in 0.0000050068 seconds

Ban number

In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned".

The spelling of 21864 in words is "twenty-one thousand eight hundred sixty-four", meaning that:

21864 is not an aban number (as it contains the letter a)

21864 is not an eban number (as it contains the letter e)

21864 is not an iban number (as it contains the letter i)

21864 is not an oban number (as it contains the letter o)

21864 is not a tban number (as it contains the letter t)

21864 is not an uban number (as it contains the letter u)

Calculation was done in 0.0000030994 seconds

Numeral systems

How to write 21864 in other number systems?

Bengali numerals	২১৮৬৪
Eastern Arabic numerals	٢١٬٨٦٤
Hieroglyphs numeralsused in Ancient Egypt	𓂭𓂭𓆼𓍩𓎋𓏽
Khmer numerals	២១៨៦៤
Japanese numerals	二万千八百六十四
Roman numerals	n/a
Thai numerals	๒๑๘๖๔

Calculation was done in 0.0000779629 seconds

Translation

How do you say 21864 in 38 different languages?

Arabic	واحد و عشرون ألف و ثمانية مائة و أربعة و ستون
Croatian	dvadeset i jedna tisuća osamsto šezdeset i četiri
Czech	dvacet jedna tisíc osm set šedesát čtyři
Danish	en og tyve tusinde otte hundrede fire og tres
Dutch	éénentwintigduizend achthonderdvierenzestig
Estonian	akpe blaeve vɔ ɖekɛ alafa enyi blaade vɔ ene
Faroese	tjúgoeitt tusin og áttahundraðogsekstifýre
Filipino	dalawáng pû’t isáng libó’t walóng daán at anim na pû’t ápat
Finnish	kaksikymmentäyksituhattakahdeksansataakuusikymmentäneljä
French	vingt et un mille huit cent soixante-quatre
Greek	είκοσι μία χίλιάδες οκτακόσια εξήντα τέσσερα
German	einundzwanzigtausendachthundertvierundsechzig
Hebrew	עשרים ואחד אלף שמונה מאות שישים וארבע
Hindi	इक्कीस हज़ार आठ सौ चौंसठ
Hungarian	huszonegyezernyolcszázhatvannégy
Icelandic	tuttugu og eitt þúsund og áttahundrað og sextíu og fjórir
Indonesian	dua puluh satu ribu delapan ratus enam puluh empat
Italian	ventunomilaottocentosessantaquattro
Japanese	二万千八百六十四
Korean	이만 천팔백육십사
Latvian	divdesmit viens tūkstoši astoņsimt sešdesmit četri
Lithuanian	dvidešimt vienas tūkstantis aštuoni šimtai šešiasdešimt keturi
Norwegian	tjueett tusen åtte hundre og sekstifire
Persian	بیست و یک هزار و هشتصد و شصت و چهار
Polish	dwadzieścia jeden tysięcy osiemset sześćdziesiąt cztery
Portuguese	vinte e um mil oitocentos e sessenta e quatro
Romanian	douăzeci şi una mii opt sute şasezeci şi patru
Russian	двадцать одна тысяча восемьсот шестьдесят четыре
Serbian	двадесет и једна хиљада осамсто шездесет и четири
Slovak	dvadsaťjedna tisíc osemsto šesťdesiatštyri
Slovene	dvaset ena tisuću osemsto šestdeset štiri
Spanish	veintiún mil ochocientos sesenta y cuatro
Swahili	elfu ishirini na moja, mia nane na sitini na nne
Swedish	tjugoentusenåttahundrasextiofyra
Thai	สองหมื่นหนึ่งพันแปดร้อยหกสิบสี่
Turkish	yirmi bir bin sekiz yüz altmış dört
Ukrainian	двадцять одна тисяча вісімсот шістдесят чотири
Vietnamese	hai mươi mốt nghìn tám trăm sáu mươi tư

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Miscellaneous

Number 21864 reversed	46812
Unicode Character	U+5568	啨
Unix Timestamp	Thu, 01 Jan 1970 06:04:24 +0000

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