| Nominal | 491990 |
| Cardinal | four hundred ninety-one thousand nine hundred ninety |
Cardinal four hundred ninety-one thousand nine hundred ninety | |
| Ordinal | 491,990th |
| Number of digits | 6 |
| Sum of digits | 32 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 5 x 49199 |
| Prime factors | 2, 5, 49199 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 3 |
| Sum of prime factors | 49206 |
| Product of prime factors | 491990 |
| Is 491990 a prime number? | No |
| Is 491990 a semiprime number? | No |
| Is 491990 a Chen prime number? | No |
| Is 491990 a Mersenne prime number? | No |
| Is 491990 a Catalan number? | No |
| Is 491990 a Fibonacci number? | No |
| Is 491990 a Idoneal number? | No |
| Base | System | Value |
|---|---|---|
| 2 | Binary | 11110000001110101102 |
| 3 | Ternary | 2202222122123 |
| 4 | Quaternary | 13200131124 |
| 5 | Quinary | 1112204305 |
| 6 | Senary | 143134226 |
| 7 | Septenary | 41162427 |
| 8 | Octal | 17007268 |
| 9 | Nonary | 8287859 |
| 10 | Decimal | 491990 |
| 12 | Duodecimal | 1b887212 |
| 16 | Hexadecimal | 781d616 |
| 20 | Vigesimal | 319ja20 |
| 36 | Base36 | ajme36 |
| 60 | Sexagesimal | 2Gdo60 |
| Square of 491990 (n2) | 242054160100 |
| Cube of 491990 (n3) | 119088226227599000 |
| Square root of 491990 | 701.41998830943 |
| Natural Logarithm (ln) of 491990 | 13.106213670065 |
| Decimal Logarithm (log) of 491990 | 5.691956275554 |
| Sine of 491990 | -0.77231954524341 |
| Cosecant of 491990 | -1.2948008452704 |
| Cosine of 491990 | -0.63523422454636 |
| Secant of 491990 | -1.5742224857518 |
| Tangent of 491990 | 1.2158027943078 |
| Cotangent of 491990 | 0.8225018108873 |
| The spelling of 491990 in words is "four hundred ninety-one thousand nine hundred ninety", meaning that: |
| 491990 is not an aban number (as it contains the letter a) |
| 491990 is not an eban number (as it contains the letter e) |
| 491990 is not an iban number (as it contains the letter i) |
| 491990 is not an oban number (as it contains the letter o) |
| 491990 is not a tban number (as it contains the letter t) |
| 491990 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৪৯১৯৯০ |
| Eastern Arabic numerals | ٤٩١٬٩٩٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓆐𓆐𓆐𓆐𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓍪𓎎 |
| Khmer numerals | ៤៩១៩៩០ |
| Japanese numerals | 四十九万千九百九十 |
| Roman numerals | n/a |
| Thai numerals | ๔๙๑๙๙๐ |
| Arabic | أربعة مائة و واحد و تسعون ألف و تسعة مائة و تسعون |
| Croatian | četiristo devedeset i jedna tisuća devetsto devedeset |
| Czech | čtyři sta devadesát jedna tisíc devět set devadesát |
| Danish | fire hundrede en og halvfems tusinde ni hundrede halvfems |
| Dutch | vierhonderdéénennegentigduizend negenhonderdnegentig |
| Estonian | akpe alafa ene blaasieke vɔ ɖekɛ alafa asieke kple blaasieke |
| Faroese | fýrehundraðognítieitt tusin og níggjuhundraðogníti |
| Filipino | ápat na daán at siyám na pû’t isáng libó’t siyám na daán at siyám na pû |
| Finnish | neljäsataayhdeksänkymmentäyksituhattayhdeksänsataayhdeksänkymmentä |
| French | quatre cent quatre-vingt-onze mille neuf cent quatre-vingt-dix |
| Greek | τετρακόσιες εννενήντα μία χίλιάδες εννιακόσια εννενήντα |
| German | vierhunderteinundneunzigtausendneunhundertneunzig |
| Hebrew | ארבע מאות תשעים ואחד אלף תשע מאות תשעים |
| Hindi | चार लाख इक्यानबे हज़ार नौ सौ नब्बे |
| Hungarian | négyszázkilencvenegyezerkilencszázkilencven |
| Icelandic | fjögurhundrað og níutíu og eitt þúsund og níuhundrað og níutíu |
| Indonesian | empat ratus sembilan puluh satu ribu sembilan ratus sembilan puluh |
| Italian | quattrocentonovant e unmilanovecentonovanta |
| Japanese | 四十九万千九百九十 |
| Korean | 사십구만 천구백구십 |
| Latvian | četrsimt deviņdesmit viens tūkstoši deviņsimt deviņdesmit |
| Lithuanian | keturi šimtai devyniasdešimt vienas tūkstantis devyni šimtai devyniasdešimt |
| Norwegian | fire hundre og nittiett tusen ni hundre og nitti |
| Persian | چهارصد و نود و یک هزار و نهصد و نود |
| Polish | czterysta dziewięćdziesiąt jeden tysięcy dziewięćset dziewięćdziesiąt |
| Portuguese | quatrocentos e noventa e um mil novecentos e noventa |
| Romanian | patru sute nouăzeci şi una mii nouă sute nouăzeci |
| Russian | четыреста девяносто одна тысяча девятьсот девяносто |
| Serbian | четиристо деведесет и једна хиљада деветсто деведесет |
| Slovak | štyristo deväťdesiatjedna tisíc deväťsto deväťdesiat |
| Slovene | štiristo devetdeset ena tisuću devetsto devetdeset |
| Spanish | cuatrocientos noventa y un mil novecientos noventa |
| Swahili | elfu mia nne na tisini na moja, mia tisa na tisini |
| Swedish | fyrahundranittioentusenniohundranittio |
| Thai | สี่แสนเก้าหมื่นหนึ่งพันเก้าร้อยเก้าสิบ |
| Turkish | dört yüz doksan bir bin dokuz yüz doksan |
| Ukrainian | чотириста девʼяносто одна тисяча девʼятсот девʼяносто |
| Vietnamese | bốn trăm chín mươi mốt nghìn chín trăm chín mươi |
| Number 491990 reversed | 099194 | |
| Unicode Character | U+781D6 | |
| Hexadecimal color | #491990 | |
| Unix Timestamp | Tue, 06 Jan 1970 16:39:50 +0000 | |