| Nominal | 640490 |
| Cardinal | six hundred forty thousand four hundred ninety |
Cardinal six hundred forty thousand four hundred ninety | |
| Ordinal | 640,490th |
| Number of digits | 6 |
| Sum of digits | 23 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 5 x 19 x 3371 |
| Prime factors | 2, 5, 19, 3371 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 4 |
| Sum of prime factors | 3397 |
| Product of prime factors | 640490 |
| Is 640490 a prime number? | No |
| Is 640490 a semiprime number? | No |
| Is 640490 a Chen prime number? | No |
| Is 640490 a Mersenne prime number? | No |
| Is 640490 a Catalan number? | No |
| Is 640490 a Fibonacci number? | No |
| Is 640490 a Idoneal number? | No |
| Base | System | Value |
|---|---|---|
| 2 | Binary | 100111000101111010102 |
| 3 | Ternary | 10121121202123 |
| 4 | Quaternary | 21301132224 |
| 5 | Quinary | 1304434305 |
| 6 | Senary | 214211226 |
| 7 | Septenary | 53052147 |
| 8 | Octal | 23427528 |
| 9 | Nonary | 11755259 |
| 10 | Decimal | 640490 |
| 12 | Duodecimal | 26a7a212 |
| 16 | Hexadecimal | 9c5ea16 |
| 20 | Vigesimal | 4014a20 |
| 36 | Base36 | dq7e36 |
| 60 | Sexagesimal | 2vso60 |
| Square of 640490 (n2) | 410227440100 |
| Cube of 640490 (n3) | 262746573109649000 |
| Square root of 640490 | 800.30619140426 |
| Natural Logarithm (ln) of 640490 | 13.369988787395 |
| Decimal Logarithm (log) of 640490 | 5.8065123534738 |
| Sine of 640490 | 0.80716986545292 |
| Cosecant of 640490 | 1.2388965976063 |
| Cosine of 640490 | 0.59031924270238 |
| Secant of 640490 | 1.6939986496496 |
| Tangent of 640490 | 1.3673446621151 |
| Cotangent of 640490 | 0.73134450128554 |
| The spelling of 640490 in words is "six hundred forty thousand four hundred ninety", meaning that: |
| 640490 is not an aban number (as it contains the letter a) |
| 640490 is not an eban number (as it contains the letter e) |
| 640490 is not an iban number (as it contains the letter i) |
| 640490 is not an oban number (as it contains the letter o) |
| 640490 is not a tban number (as it contains the letter t) |
| 640490 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৬৪০৪৯০ |
| Eastern Arabic numerals | ٦٤٠٬٤٩٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓆐𓆐𓆐𓆐𓂭𓂭𓂭𓂭𓍥𓎎 |
| Khmer numerals | ៦៤០៤៩០ |
| Japanese numerals | 六十四万四百九十 |
| Roman numerals | n/a |
| Thai numerals | ๖๔๐๔๙๐ |
| Arabic | ستة مائة و أربعون ألف و أربعة مائة و تسعون |
| Croatian | šeststo četrdeset tisuća četiristo devedeset |
| Czech | šest set čtyřicet tisíc čtyři sta devadesát |
| Danish | seks hundrede fyrre tusinde fire hundrede halvfems |
| Dutch | zeshonderdveertigduizend vierhonderdnegentig |
| Estonian | akpe alafa ade kple blaene alafa ene kple blaasieke |
| Faroese | sekshundraðogfýrati tusin og fýrehundraðogníti |
| Filipino | anim na daán at ápat na pû libó’t ápat na daán at siyám na pû |
| Finnish | kuusisataaneljäkymmentätuhattaneljäsataayhdeksänkymmentä |
| French | six cent quarante mille quatre cent quatre-vingt-dix |
| Greek | εξακόσιες σαράντα χίλιάδες τετρακόσια εννενήντα |
| German | sechshundertvierzigtausendvierhundertneunzig |
| Hebrew | שש מאות ארבעים אלף ארבע מאות תשעים |
| Hindi | छह लाख चालीस हज़ार चार सौ नब्बे |
| Hungarian | hatszáznegyvenezernégyszázkilencven |
| Icelandic | sexhundrað og fjörutíu þúsund og fjögurhundrað og níutíu |
| Indonesian | enam ratus empat puluh ribu empat ratus sembilan puluh |
| Italian | seicentoquarantamilaquattrocentonovanta |
| Japanese | 六十四万四百九十 |
| Korean | 육십사만 사백구십 |
| Latvian | sešsimt četrdesmit tūkstoši četrsimt deviņdesmit |
| Lithuanian | šeši šimtai keturiasdešimt tūkstančių keturi šimtai devyniasdešimt |
| Norwegian | seks hundre og førti tusen fire hundre og nitti |
| Persian | ششصد و چهل هزار و چهارصد و نود |
| Polish | sześćset czterdzieści tysięcy czterysta dziewięćdziesiąt |
| Portuguese | seiscentos e quarenta mil quatrocentos e noventa |
| Romanian | şase sute patruzeci mii patru sute nouăzeci |
| Russian | шестьсот сорок тысяч четыреста девяносто |
| Serbian | шестсто четрдесет хиљада четиристо деведесет |
| Slovak | šesťsto štyridsať tisíc štyristo deväťdesiat |
| Slovene | šesto štirideset tisuću štiristo devetdeset |
| Spanish | seiscientos cuarenta mil cuatrocientos noventa |
| Swahili | elfu mia sita na arobaini, mia nne na tisini |
| Swedish | sexhundrafyrtiotusenfyrahundranittio |
| Thai | หกแสนสี่หมื่นสี่ร้อยเก้าสิบ |
| Turkish | altı yüz kırk bin dört yüz doksan |
| Ukrainian | шістсот сорок тисяч чотириста девʼяносто |
| Vietnamese | sáu trăm bốn mươi nghìn bốn trăm chín mươi |
| Number 640490 reversed | 094046 | |
| Unicode Character | U+9C5EA | |
| Hexadecimal color | #640490 | |
| Unix Timestamp | Thu, 08 Jan 1970 09:54:50 +0000 | |