18990
Number 18990 is an even five-digits composite number and natural number following 18989 and preceding 18991.
| Nominal | 18990 |
| Cardinal | eighteen thousand nine hundred ninety |
Cardinal eighteen thousand nine hundred ninety |
| Ordinal | 18,990th |
| Number of digits | 5 |
| Sum of digits | 27 |
| Product of digits | 0 |
| Number parity | Even |
Calculation was done in 0.0000422001 seconds
| Prime factorization | 2 x 3 x 3 x 5 x 211 |
| Prime factorization in exponent form | 2 x 32 x 5 x 211 |
| Prime factors | 2, 3, 5, 211 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 5 |
| Sum of prime factors | 221 |
| Product of prime factors | 6330 |
Calculation was done in 0.0000240803 seconds
| List of proper divisors | 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 211, 422, 633, 1055, 1266, 1899, 2110, 3165, 3798, 6330, 9495 |
| List of all dividers | 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 211, 422, 633, 1055, 1266, 1899, 2110, 3165, 3798, 6330, 9495, 18990 |
| Number of divisors d(n) | 24 |
| Sum of all divisors σ(n) | 49608 |
| Aliquot sum | 30618 |
| 18990 is an abundant number , because the sum of its proper divisors (30618) is greater than itself. Its abundance is 11628. |
Calculation was done in 0.0000259876 seconds
| Is 18990 a prime number? | No |
| Is 18990 a semiprime number? | No |
| Is 18990 a Chen prime number? | No |
| Is 18990 a Mersenne prime number? | No |
Calculation was done in 0.0047028065 seconds
| Is 18990 a Catalan number? | No |
| Is 18990 a Fibonacci number? | No |
| Is 18990 a Idoneal number? | No |
Calculation was done in 0.0000040531 seconds
| 18990 is not a Happy number |
| 18990 is not a Humble number |
| 18990 is not a Münchhausen number |
| 18990 is not a Perfect number |
| 18990 is not a Perfect square |
| 18990 is not a Palindrome |
Calculation was done in 0.0066690445 seconds
| Base | System | Value |
|---|
| 2 | Binary | 1001010001011102 |
| 3 | Ternary | 2220011003 |
| 4 | Quaternary | 102202324 |
| 5 | Quinary | 11014305 |
| 6 | Senary | 2235306 |
| 7 | Septenary | 1062367 |
| 8 | Octal | 450568 |
| 9 | Nonary | 280409 |
| 10 | Decimal | 18990 |
| 12 | Duodecimal | aba612 |
| 16 | Hexadecimal | 4a2e16 |
| 20 | Vigesimal | 279a20 |
| 36 | Base36 | eni36 |
| 60 | Sexagesimal | 5GU60 |
Calculation was done in 0.0000181198 seconds
| Square of 18990 (n2) | 360620100 |
| Cube of 18990 (n3) | 6848175699000 |
| Square root of 18990 | 137.80420893427 |
| Natural Logarithm (ln) of 18990 | 9.8516678038063 |
| Decimal Logarithm (log) of 18990 | 4.278524964737 |
Calculation was done in 0.0000100136 seconds
| Sine of 18990 | 0.80017740439349 |
| Cosecant of 18990 | 1.2497228670909 |
| Cosine of 18990 | -0.59976338792736 |
| Secant of 18990 | -1.6673241817173 |
| Tangent of 18990 | -1.3341551360091 |
| Cotangent of 18990 | -0.74953802073675 |
Calculation was done in 0.0000050068 seconds
Is 18990 an Even Number?
Yes, the number 18990 is an even number.
Is 18990 an Odd Number?
No
Previous even number is
18988Next even number is
18992
Calculation was done in 0.0000030994 seconds
| The spelling of 18990 in words is "eighteen thousand nine hundred ninety", meaning that: |
| 18990 is not an aban number (as it contains the letter a) |
| 18990 is not an eban number (as it contains the letter e) |
| 18990 is not an iban number (as it contains the letter i) |
| 18990 is not an oban number (as it contains the letter o) |
| 18990 is not a tban number (as it contains the letter t) |
| 18990 is not an uban number (as it contains the letter u) |
Calculation was done in 0.0000019073 seconds
| Bengali numerals | ১৮৯৯০ |
| Eastern Arabic numerals | ١٨٬٩٩٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍪𓎎 |
| Khmer numerals | ១៨៩៩០ |
| Japanese numerals | 一万八千九百九十 |
| Roman numerals | n/a |
| Thai numerals | ๑๘๙๙๐ |
Calculation was done in 0.0000669956 seconds
| Arabic | ثمانية عشر ألف و تسعة مائة و تسعون |
| Croatian | osamnaest tisuća devetsto devedeset |
| Czech | osmnáct tisíc devět set devadesát |
| Danish | atten tusinde ni hundrede halvfems |
| Dutch | achttienduizend negenhonderdnegentig |
| Estonian | akpe wuienyi alafa asieke kple blaasieke |
| Faroese | átjan tusin og níggjuhundraðogníti |
| Filipino | labíng-walóng libó’t siyám na daán at siyám na pû |
| Finnish | kahdeksantoistatuhattayhdeksänsataayhdeksänkymmentä |
| French | dix-huit mille neuf cent quatre-vingt-dix |
| Greek | δεκαοκτώ χίλιάδες εννιακόσια εννενήντα |
| German | achtzehntausendneunhundertneunzig |
| Hebrew | שמונה עשר אלף תשע מאות תשעים |
| Hindi | अठारह हज़ार नौ सौ नब्बे |
| Hungarian | tizennyolcezerkilencszázkilencven |
| Icelandic | átján þúsund og níuhundrað og níutíu |
| Indonesian | delapan belas ribu sembilan ratus sembilan puluh |
| Italian | diciottomilanovecentonovanta |
| Japanese | 一万八千九百九十 |
| Korean | 만 팔천구백구십 |
| Latvian | astoņpadsmit tūkstoši deviņsimt deviņdesmit |
| Lithuanian | aštuoniolika tūkstančių devyni šimtai devyniasdešimt |
| Norwegian | atten tusen ni hundre og nitti |
| Persian | هجده هزار و نهصد و نود |
| Polish | osiemnaście tysięcy dziewięćset dziewięćdziesiąt |
| Portuguese | dezoito mil novecentos e noventa |
| Romanian | optsprezece mii nouă sute nouăzeci |
| Russian | восемнадцать тысяч девятьсот девяносто |
| Serbian | осамнаест хиљада деветсто деведесет |
| Slovak | osemnásť tisíc deväťsto deväťdesiat |
| Slovene | asemnajst tisuću devetsto devetdeset |
| Spanish | dieciocho mil novecientos noventa |
| Swahili | elfu kumi na nane, mia tisa na tisini |
| Swedish | artontusenniohundranittio |
| Thai | หนึ่งหมื่นแปดพันเก้าร้อยเก้าสิบ |
| Turkish | on sekiz bin dokuz yüz doksan |
| Ukrainian | вісімнадцять тисяч девʼятсот девʼяносто |
| Vietnamese | mười tám nghìn chín trăm chín mươi |
Calculation was done in 0.0135769844 seconds
| Number 18990 reversed | 09981 |
| Unicode Character | U+4A2E | 䨮 |
| Unix Timestamp | Thu, 01 Jan 1970 05:16:30 +0000 |
Calculation was done in 0.0000219345 seconds
This page was generated in 0.03 seconds.