| Nominal | 642990 |
| Cardinal | six hundred forty-two thousand nine hundred ninety |
Cardinal six hundred forty-two thousand nine hundred ninety | |
| Ordinal | 642,990th |
| Number of digits | 6 |
| Sum of digits | 30 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 3 x 5 x 21433 |
| Prime factors | 2, 3, 5, 21433 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 4 |
| Sum of prime factors | 21443 |
| Product of prime factors | 642990 |
| Is 642990 a prime number? | No |
| Is 642990 a semiprime number? | No |
| Is 642990 a Chen prime number? | No |
| Is 642990 a Mersenne prime number? | No |
| Is 642990 a Catalan number? | No |
| Is 642990 a Fibonacci number? | No |
| Is 642990 a Idoneal number? | No |
| Base | System | Value |
|---|---|---|
| 2 | Binary | 100111001111101011102 |
| 3 | Ternary | 10122000001103 |
| 4 | Quaternary | 21303322324 |
| 5 | Quinary | 1310334305 |
| 6 | Senary | 214404506 |
| 7 | Septenary | 53154157 |
| 8 | Octal | 23476568 |
| 9 | Nonary | 11800139 |
| 10 | Decimal | 642990 |
| 12 | Duodecimal | 27012612 |
| 16 | Hexadecimal | 9cfae16 |
| 20 | Vigesimal | 4079a20 |
| 36 | Base36 | ds4u36 |
| 60 | Sexagesimal | 2waU60 |
| Square of 642990 (n2) | 413436140100 |
| Cube of 642990 (n3) | 265835303722899000 |
| Square root of 642990 | 801.86657244207 |
| Natural Logarithm (ln) of 642990 | 13.373884450999 |
| Decimal Logarithm (log) of 642990 | 5.8082042186807 |
| Sine of 642990 | 0.22952514724692 |
| Cosecant of 642990 | 4.3568210803683 |
| Cosine of 642990 | 0.97330273131297 |
| Secant of 642990 | 1.0274295631032 |
| Tangent of 642990 | 0.23582092175709 |
| Cotangent of 642990 | 4.2405058573643 |
| The spelling of 642990 in words is "six hundred forty-two thousand nine hundred ninety", meaning that: |
| 642990 is not an aban number (as it contains the letter a) |
| 642990 is not an eban number (as it contains the letter e) |
| 642990 is not an iban number (as it contains the letter i) |
| 642990 is not an oban number (as it contains the letter o) |
| 642990 is not a tban number (as it contains the letter t) |
| 642990 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৬৪২৯৯০ |
| Eastern Arabic numerals | ٦٤٢٬٩٩٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓆐𓆐𓆐𓆐𓂭𓂭𓂭𓂭𓆼𓆼𓍪𓎎 |
| Khmer numerals | ៦៤២៩៩០ |
| Japanese numerals | 六十四万二千九百九十 |
| Roman numerals | n/a |
| Thai numerals | ๖๔๒๙๙๐ |
| Arabic | ستة مائة و إثنان و أربعون ألف و تسعة مائة و تسعون |
| Croatian | šeststo četrdeset i dvije tisuća devetsto devedeset |
| Czech | šest set čtyřicet dvě tisíc devět set devadesát |
| Danish | seks hundrede to og fyrre tusinde ni hundrede halvfems |
| Dutch | zeshonderdtweeenveertigduizend negenhonderdnegentig |
| Estonian | akpe alafa ade blaene vɔ eve alafa asieke kple blaasieke |
| Faroese | sekshundraðogfýratitvey tusin og níggjuhundraðogníti |
| Filipino | anim na daán at ápat na pû’t dalawáng libó’t siyám na daán at siyám na pû |
| Finnish | kuusisataaneljäkymmentäkaksituhattayhdeksänsataayhdeksänkymmentä |
| French | six cent quarante-deux mille neuf cent quatre-vingt-dix |
| Greek | εξακόσιες σαράντα δύο χίλιάδες εννιακόσια εννενήντα |
| German | sechshundertzweiundvierzigtausendneunhundertneunzig |
| Hebrew | שש מאות ארבעים ושניים אלף תשע מאות תשעים |
| Hindi | छह लाख बयालीस हज़ार नौ सौ नब्बे |
| Hungarian | hatszáznegyvenkettőezerkilencszázkilencven |
| Icelandic | sexhundrað og fjörutíu og tvö þúsund og níuhundrað og níutíu |
| Indonesian | enam ratus empat puluh dua ribu sembilan ratus sembilan puluh |
| Italian | seicentoquarantaduemilanovecentonovanta |
| Japanese | 六十四万二千九百九十 |
| Korean | 육십사만 이천구백구십 |
| Latvian | sešsimt četrdesmit divi tūkstoši deviņsimt deviņdesmit |
| Lithuanian | šeši šimtai keturiasdešimt du tūkstančiai devyni šimtai devyniasdešimt |
| Norwegian | seks hundre og førtito tusen ni hundre og nitti |
| Persian | ششصد و چهل و دو هزار و نهصد و نود |
| Polish | sześćset czterdzieści dwa tysiące dziewięćset dziewięćdziesiąt |
| Portuguese | seiscentos e quarenta e dois mil novecentos e noventa |
| Romanian | şase sute patruzeci şi două mii nouă sute nouăzeci |
| Russian | шестьсот сорок две тысячи девятьсот девяносто |
| Serbian | шестсто четрдесет и две хиљада деветсто деведесет |
| Slovak | šesťsto štyridsaťdve tisíc deväťsto deväťdesiat |
| Slovene | šesto štirideset dvije tisuću devetsto devetdeset |
| Spanish | seiscientos cuarenta y dos mil novecientos noventa |
| Swahili | elfu mia sita na arobaini na mbili, mia tisa na tisini |
| Swedish | sexhundrafyrtiotvåtusenniohundranittio |
| Thai | หกแสนสี่หมื่นสองพันเก้าร้อยเก้าสิบ |
| Turkish | altı yüz kırk iki bin dokuz yüz doksan |
| Ukrainian | шістсот сорок дві тисячі девʼятсот девʼяносто |
| Vietnamese | sáu trăm bốn mươi hai nghìn chín trăm chín mươi |
| Number 642990 reversed | 099246 | |
| Unicode Character | U+9CFAE | |
| Hexadecimal color | #642990 | |
| Unix Timestamp | Thu, 08 Jan 1970 10:36:30 +0000 | |