| Nominal | 642940 |
| Cardinal | six hundred forty-two thousand nine hundred forty |
Cardinal six hundred forty-two thousand nine hundred forty | |
| Ordinal | 642,940th |
| Number of digits | 6 |
| Sum of digits | 25 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 5 x 17 x 31 x 61 |
| Prime factorization in exponent form | 22 x 5 x 17 x 31 x 61 |
| Prime factors | 2, 5, 17, 31, 61 |
| Number of distinct prime factors ω(n) | 5 |
| Total number of prime factors Ω(n) | 6 |
| Sum of prime factors | 116 |
| Product of prime factors | 321470 |
| Is 642940 a prime number? | No |
| Is 642940 a semiprime number? | No |
| Is 642940 a Chen prime number? | No |
| Is 642940 a Mersenne prime number? | No |
| Is 642940 a Catalan number? | No |
| Is 642940 a Fibonacci number? | No |
| Is 642940 a Idoneal number? | No |
| Base | System | Value |
|---|---|---|
| 2 | Binary | 100111001111011111002 |
| 3 | Ternary | 10121222211213 |
| 4 | Quaternary | 21303313304 |
| 5 | Quinary | 1310332305 |
| 6 | Senary | 214403246 |
| 7 | Septenary | 53153147 |
| 8 | Octal | 23475748 |
| 9 | Nonary | 11788479 |
| 10 | Decimal | 642940 |
| 12 | Duodecimal | 2700a412 |
| 16 | Hexadecimal | 9cf7c16 |
| 20 | Vigesimal | 4077020 |
| 36 | Base36 | ds3g36 |
| 60 | Sexagesimal | 2wZe60 |
| Square of 642940 (n2) | 413371843600 |
| Cube of 642940 (n3) | 265773293124184000 |
| Square root of 642940 | 801.83539457921 |
| Natural Logarithm (ln) of 642940 | 13.373806686269 |
| Decimal Logarithm (log) of 642940 | 5.8081704458873 |
| Sine of 642940 | 0.4768541315158 |
| Cosecant of 642940 | 2.0970773532385 |
| Cosine of 642940 | 0.87898244422532 |
| Secant of 642940 | 1.1376791499873 |
| Tangent of 642940 | 0.54250700301082 |
| Cotangent of 642940 | 1.8432941776791 |
| The spelling of 642940 in words is "six hundred forty-two thousand nine hundred forty", meaning that: |
| 642940 is not an aban number (as it contains the letter a) |
| 642940 is not an eban number (as it contains the letter e) |
| 642940 is not an iban number (as it contains the letter i) |
| 642940 is not an oban number (as it contains the letter o) |
| 642940 is not a tban number (as it contains the letter t) |
| 642940 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৬৪২৯৪০ |
| Eastern Arabic numerals | ٦٤٢٬٩٤٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓆐𓆐𓆐𓆐𓂭𓂭𓂭𓂭𓆼𓆼𓍪𓎉 |
| Khmer numerals | ៦៤២៩៤០ |
| Japanese numerals | 六十四万二千九百四十 |
| Roman numerals | n/a |
| Thai numerals | ๖๔๒๙๔๐ |
| Arabic | ستة مائة و إثنان و أربعون ألف و تسعة مائة و أربعون |
| Croatian | šeststo četrdeset i dvije tisuća devetsto četrdeset |
| Czech | šest set čtyřicet dvě tisíc devět set čtyřicet |
| Danish | seks hundrede to og fyrre tusinde ni hundrede fyrre |
| Dutch | zeshonderdtweeenveertigduizend negenhonderdveertig |
| Estonian | akpe alafa ade blaene vɔ eve alafa asieke kple blaene |
| Faroese | sekshundraðogfýratitvey tusin og níggjuhundraðogfýrati |
| Filipino | anim na daán at ápat na pû’t dalawáng libó’t siyám na daán at ápat na pû |
| Finnish | kuusisataaneljäkymmentäkaksituhattayhdeksänsataaneljäkymmentä |
| French | six cent quarante-deux mille neuf cent quarante |
| Greek | εξακόσιες σαράντα δύο χίλιάδες εννιακόσια σαράντα |
| German | sechshundertzweiundvierzigtausendneunhundertvierzig |
| Hebrew | שש מאות ארבעים ושניים אלף תשע מאות ארבעים |
| Hindi | छह लाख बयालीस हज़ार नौ सौ चालीस |
| Hungarian | hatszáznegyvenkettőezerkilencszáznegyven |
| Icelandic | sexhundrað og fjörutíu og tvö þúsund og níuhundrað og fjörutíu |
| Indonesian | enam ratus empat puluh dua ribu sembilan ratus empat puluh |
| Italian | seicentoquarantaduemilanovecentoquaranta |
| Japanese | 六十四万二千九百四十 |
| Korean | 육십사만 이천구백사십 |
| Latvian | sešsimt četrdesmit divi tūkstoši deviņsimt četrdesmit |
| Lithuanian | šeši šimtai keturiasdešimt du tūkstančiai devyni šimtai keturiasdešimt |
| Norwegian | seks hundre og førtito tusen ni hundre og førti |
| Persian | ششصد و چهل و دو هزار و نهصد و چهل |
| Polish | sześćset czterdzieści dwa tysiące dziewięćset czterdzieści |
| Portuguese | seiscentos e quarenta e dois mil novecentos e quarenta |
| Romanian | şase sute patruzeci şi două mii nouă sute patruzeci |
| Russian | шестьсот сорок две тысячи девятьсот сорок |
| Serbian | шестсто четрдесет и две хиљада деветсто четрдесет |
| Slovak | šesťsto štyridsaťdve tisíc deväťsto štyridsať |
| Slovene | šesto štirideset dvije tisuću devetsto štirideset |
| Spanish | seiscientos cuarenta y dos mil novecientos cuarenta |
| Swahili | elfu mia sita na arobaini na mbili, mia tisa na arobaini |
| Swedish | sexhundrafyrtiotvåtusenniohundrafyrtio |
| Thai | หกแสนสี่หมื่นสองพันเก้าร้อยสี่สิบ |
| Turkish | altı yüz kırk iki bin dokuz yüz kırk |
| Ukrainian | шістсот сорок дві тисячі девʼятсот сорок |
| Vietnamese | sáu trăm bốn mươi hai nghìn chín trăm bốn mươi |
| Number 642940 reversed | 049246 | |
| Unicode Character | U+9CF7C | |
| Hexadecimal color | #642940 | |
| Unix Timestamp | Thu, 08 Jan 1970 10:35:40 +0000 | |