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20840

Number 20840 is an even five-digits composite number and natural number following 20839 and preceding 20841.

Properties of the number 20840

Nominal20840
Cardinaltwenty thousand eight hundred forty
Cardinal
twenty thousand eight hundred forty
Ordinal20,840th
Number of digits5
Sum of digits14
Product of digits0
Number parityEven
Calculation was done in 0.0000429153 seconds

Prime Factorization of 20840

Prime factorization2 x 2 x 2 x 5 x 521
Prime factorization in exponent form23 x 5 x 521
Prime factors2, 5, 521
Number of distinct prime factors ω(n)3
Total number of prime factors Ω(n)5
Sum of prime factors528
Product of prime factors5210
Calculation was done in 0.0001029968 seconds

Divisors of 20840

List of proper divisors 1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 10420
List of all dividers1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 10420, 20840
Number of divisors d(n)16
Sum of all divisors σ(n)46980
Aliquot sum 26140
20840 is an abundant number , because the sum of its proper divisors (26140) is greater than itself. Its abundance is 5300.
Calculation was done in 0.0000331402 seconds

Prime numbers

Is 20840 a prime number?No
Is 20840 a semiprime number?No
Is 20840 a Chen prime number?No
Is 20840 a Mersenne prime number?No
Calculation was done in 0.0016829967 seconds

Sequences

Is 20840 a Catalan number?No
Is 20840 a Fibonacci number?No
Is 20840 a Idoneal number?No
Calculation was done in 0.0000078678 seconds

Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
20840 is not a Happy number
20840 is not a Humble number
20840 is not a Münchhausen number
20840 is not a Perfect number
20840 is not a Perfect square
20840 is not a Palindrome
Calculation was done in 0.0115911961 seconds

Numeric Bases of 20840

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.
BaseSystemValue
2Binary1010001011010002
3Ternary10011202123
4Quaternary110112204
5Quinary11313305
6Senary2402526
7Septenary1145217
8Octal505508
9Nonary315259
10Decimal20840
12Duodecimal1008812
16Hexadecimal516816
20Vigesimal2c2020
36Base36g2w36
60Sexagesimal5lK60
Calculation was done in 0.0000269413 seconds

Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
Square of 20840 (n2)434305600
Cube of 20840 (n3)9050928704000
Square root of 20840144.36065946095
Natural Logarithm (ln) of 208409.9446294958673
Decimal Logarithm (log) of 208404.3188977146275
Calculation was done in 0.0000059605 seconds

Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
Sine of 20840-0.97010519907411
Cosecant of 20840-1.0308160403165
Cosine of 208400.24268478058868
Secant of 208404.1205715396504
Tangent of 20840-3.9973878737717
Cotangent of 20840-0.25016336457149
Calculation was done in 0.0000090599 seconds

Number parity

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

Is 20840 an Even Number?

Yes, the number 20840 is an even number.

Is 20840 an Odd Number?

No
Calculation was done in 0.0000071526 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 20840 in words is "twenty thousand eight hundred forty", meaning that:
20840 is not an aban number (as it contains the letter a)
20840 is not an eban number (as it contains the letter e)
20840 is not an iban number (as it contains the letter i)
20840 is not an oban number (as it contains the letter o)
20840 is not a tban number (as it contains the letter t)
20840 is not an uban number (as it contains the letter u)
Calculation was done in 0.0000040531 seconds

Numeral systems

How to write 20840 in other number systems?
Bengali numerals২০৮৪০
Eastern Arabic numerals٢٠٬٨٤٠
Hieroglyphs numeralsused in Ancient Egypt𓂭𓂭𓍩𓎉
Khmer numerals២០៨៤០
Japanese numerals二万八百四十
Roman numeralsn/a
Thai numerals๒๐๘๔๐
Calculation was done in 0.0001029968 seconds

Translation

How do you say 20840 in 38 different languages?
Arabicعشرون ألف و ثمانية مائة و أربعون
Croatiandvadeset tisuća osamsto četrdeset
Czechdvacet tisíc osm set čtyřicet
Danish tyve tusinde otte hundrede fyrre
Dutchtwintigduizend achthonderdveertig
Estonianakpe blaeve alafa enyi kple blaene
Faroesetjúgo tusin og átta­hundrað­og­fýrati
Filipinodalawáng pû libó’t walóng daán at ápat na pû
Finnishkaksi­kymmentä­tuhatta­kahdeksan­sataa­neljä­kymmentä
Frenchvingt mille huit cent quarante
Greekείκοσι χίλιάδες οκτακόσια σαράντα
Germanzwanzig­tausend­acht­hundert­vierzig
Hebrewעשרים אלף שמונה מאות ארבעים
Hindiबीस हज़ार आठ सौ चालीस
Hungarianhúsz­ezer­nyolc­száz­negyven
Icelandictuttugu þúsund og átta­hundrað og fjörutíu
Indonesiandua puluh ribu delapan ratus empat puluh
Italianventimilaottocentoquaranta
Japanese二万八百四十
Korean이만 팔백사십
Latviandivdesmit tūkstoši astoņsimt četrdesmit
Lithuaniandvidešimt tūkstančių aštuoni šimtai keturiasdešimt
Norwegiantjue tusen åtte hundre og førti
Persianبیست هزار و هشتصد و چهل
Polishdwadzieścia tysięcy osiemset czterdzieści
Portuguesevinte mil oitocentos e quarenta
Romaniandouăzeci mii opt sute patruzeci
Russianдвадцать тысяч восемьсот сорок
Serbianдвадесет хиљада осамсто четрдесет
Slovakdvadsať tisíc osem­sto štyridsať
Slovenedvaset tisuću osemsto štirideset
Spanish veinte mil ochocientos cuarenta
Swahilielfu ishirini, mia nane na arobaini
Swedishtjugotusenåttahundrafyrtio
Thaiสอง​หมื่น​แปด​ร้อย​สี่​สิบ
Turkishyirmi bin sekiz yüz kırk
Ukrainianдвадцять тисяч вісімсот сорок
Vietnamesehai mươi nghìn tám trăm bốn mươi
Calculation was done in 0.0273401737 seconds

Miscellaneous

Number 20840 reversed04802
Unicode CharacterU+5168
Unix TimestampThu, 01 Jan 1970 05:47:20 +0000
Calculation was done in 0.0000379086 seconds
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