| Nominal | 51440 |
| Cardinal | fifty-one thousand four hundred forty |
Cardinal fifty-one thousand four hundred forty | |
| Ordinal | 51,440th |
| Number of digits | 5 |
| Sum of digits | 14 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 2 x 5 x 643 |
| Prime factorization in exponent form | 24 x 5 x 643 |
| Prime factors | 2, 5, 643 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 6 |
| Sum of prime factors | 650 |
| Product of prime factors | 6430 |
| Is 51440 a prime number? | No |
| Is 51440 a semiprime number? | No |
| Is 51440 a Chen prime number? | No |
| Is 51440 a Mersenne prime number? | No |
| Is 51440 a Catalan number? | No |
| Is 51440 a Fibonacci number? | No |
| Is 51440 a Idoneal number? | No |
| Square of 51440 (n2) | 2646073600 |
| Cube of 51440 (n3) | 136114025984000 |
| Square root of 51440 | 226.80388003736 |
| Natural Logarithm (ln) of 51440 | 10.848171358912 |
| Decimal Logarithm (log) of 51440 | 4.7113009599162 |
| Sine of 51440 | -0.42422861536799 |
| Cosecant of 51440 | -2.3572195834375 |
| Cosine of 51440 | 0.90555512361366 |
| Secant of 51440 | 1.1042950052664 |
| Tangent of 51440 | -0.46847354104197 |
| Cotangent of 51440 | -2.1345922712643 |
| The spelling of 51440 in words is "fifty-one thousand four hundred forty", meaning that: |
| 51440 is not an aban number (as it contains the letter a) |
| 51440 is not an eban number (as it contains the letter e) |
| 51440 is not an iban number (as it contains the letter i) |
| 51440 is not an oban number (as it contains the letter o) |
| 51440 is not a tban number (as it contains the letter t) |
| 51440 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৫১৪৪০ |
| Eastern Arabic numerals | ٥١٬٤٤٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓆼𓍥𓎉 |
| Khmer numerals | ៥១៤៤០ |
| Japanese numerals | 五万千四百四十 |
| Roman numerals | n/a |
| Thai numerals | ๕๑๔๔๐ |
| Arabic | واحد و خمسون ألف و أربعة مائة و أربعون |
| Croatian | pedeset i jedna tisuća četiristo četrdeset |
| Czech | padesát jedna tisíc čtyři sta čtyřicet |
| Danish | en og halvtreds tusinde fire hundrede fyrre |
| Dutch | éénenvijftigduizend vierhonderdveertig |
| Estonian | akpe blaatɔ̃ vɔ ɖekɛ alafa ene kple blaene |
| Faroese | fimmtieitt tusin og fýrehundraðogfýrati |
| Filipino | limáng pû’t isáng libó’t ápat na daán at ápat na pû |
| Finnish | viisikymmentäyksituhattaneljäsataaneljäkymmentä |
| French | cinquante et un mille quatre cent quarante |
| Greek | πενήντα μία χίλιάδες τετρακόσια σαράντα |
| German | einundfünfzigtausendvierhundertvierzig |
| Hebrew | חמישים ואחד אלף ארבע מאות ארבעים |
| Hindi | इक्यावन हज़ार चार सौ चालीस |
| Hungarian | ötvenegyezernégyszáznegyven |
| Icelandic | fimmtíu og eitt þúsund og fjögurhundrað og fjörutíu |
| Indonesian | lima puluh satu ribu empat ratus empat puluh |
| Italian | cinquant e unmilaquattrocentoquaranta |
| Japanese | 五万千四百四十 |
| Korean | 오만 천사백사십 |
| Latvian | piecdesmit viens tūkstoši četrsimt četrdesmit |
| Lithuanian | penkiasdešimt vienas tūkstantis keturi šimtai keturiasdešimt |
| Norwegian | femtiett tusen fire hundre og førti |
| Persian | پنجاه و یک هزار و چهارصد و چهل |
| Polish | pięćdziesiąt jeden tysięcy czterysta czterdzieści |
| Portuguese | cinquenta e um mil quatrocentos e quarenta |
| Romanian | cincizeci şi una mii patru sute patruzeci |
| Russian | пятьдесят одна тысяча четыреста сорок |
| Serbian | педесет и једна хиљада четиристо четрдесет |
| Slovak | päťdesiatjedna tisíc štyristo štyridsať |
| Slovene | petdeset ena tisuću štiristo štirideset |
| Spanish | cincuenta y un mil cuatrocientos cuarenta |
| Swahili | elfu hamsini na moja, mia nne na arobaini |
| Swedish | femtioentusenfyrahundrafyrtio |
| Thai | ห้าหมื่นหนึ่งพันสี่ร้อยสี่สิบ |
| Turkish | elli bir bin dört yüz kırk |
| Ukrainian | пʼятдесят одна тисяча чотириста сорок |
| Vietnamese | năm mươi mốt nghìn bốn trăm bốn mươi |
| Number 51440 reversed | 04415 | |
| Unicode Character | U+C8F0 | 죰 |
| Unix Timestamp | Thu, 01 Jan 1970 14:17:20 +0000 | |