| Nominal | 40381 |
| Cardinal | forty thousand three hundred eighty-one |
Cardinal forty thousand three hundred eighty-one | |
| Ordinal | 40,381st |
| Number of digits | 5 |
| Sum of digits | 16 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 11 x 3671 |
| Prime factors | 11, 3671 |
| Number of distinct prime factors ω(n) | 2 |
| Total number of prime factors Ω(n) | 2 |
| Sum of prime factors | 3682 |
| Product of prime factors | 40381 |
| Is 40381 a prime number? | No |
| Is 40381 a semiprime number? | Yes |
| Is 40381 a Chen prime number? | No |
| Is 40381 a Mersenne prime number? | No |
| Is 40381 a Catalan number? | No |
| Is 40381 a Fibonacci number? | No |
| Is 40381 a Idoneal number? | No |
| Square of 40381 (n2) | 1630625161 |
| Cube of 40381 (n3) | 65846274626341 |
| Square root of 40381 | 200.95024259751 |
| Natural Logarithm (ln) of 40381 | 10.606114656295 |
| Decimal Logarithm (log) of 40381 | 4.6061770696622 |
| Sine of 40381 | -0.85831112977684 |
| Cosecant of 40381 | -1.1650786822023 |
| Cosine of 40381 | 0.51312961764179 |
| Secant of 40381 | 1.9488253369504 |
| Tangent of 40381 | -1.6726984766956 |
| Cotangent of 40381 | -0.59783637872109 |
| The spelling of 40381 in words is "forty thousand three hundred eighty-one", meaning that: |
| 40381 is not an aban number (as it contains the letter a) |
| 40381 is not an eban number (as it contains the letter e) |
| 40381 is not an iban number (as it contains the letter i) |
| 40381 is not an oban number (as it contains the letter o) |
| 40381 is not a tban number (as it contains the letter t) |
| 40381 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৪০৩৮১ |
| Eastern Arabic numerals | ٤٠٬٣٨١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓍤𓎍𓏺 |
| Khmer numerals | ៤០៣៨១ |
| Japanese numerals | 四万三百八十一 |
| Roman numerals | n/a |
| Thai numerals | ๔๐๓๘๑ |
| Arabic | أربعون ألف و ثلاثة مائة و واحد و ثمانون |
| Croatian | četrdeset tisuća tristo osamdeset i jedan |
| Czech | čtyřicet tisíc tři sta osmdesát jeden |
| Danish | fyrre tusinde tre hundrede en og firs |
| Dutch | veertigduizend driehonderdéénentachtig |
| Estonian | akpe blaene alafa etɔ̃ blaenyi vɔ ɖekɛ |
| Faroese | fýrati tusin og trýhundraðogáttatiein |
| Filipino | ápat na pû libó’t tatlóng daán at walóng pû’t isá |
| Finnish | neljäkymmentätuhattakolmesataakahdeksankymmentäyksi |
| French | quarante mille trois cent quatre-vingt-un |
| Greek | σαράντα χίλιάδες τριακόσια ογδόντα ένα |
| German | vierzigtausenddreihunderteinundachtzig |
| Hebrew | ארבעים אלף שלוש מאות שמונים ואחת |
| Hindi | चालीस हज़ार तीन सौ इक्यासी |
| Hungarian | negyvenezerháromszáznyolcvanegy |
| Icelandic | fjörutíu þúsund og þrjúhundrað og áttatíu og einn |
| Indonesian | empat puluh ribu tiga ratus delapan puluh satu |
| Italian | quarantamilatrecentoottantuno |
| Japanese | 四万三百八十一 |
| Korean | 사만 삼백팔십일 |
| Latvian | četrdesmit tūkstoši trīssimt astoņdesmit viens |
| Lithuanian | keturiasdešimt tūkstančių trys šimtai aštuoniasdešimt vienas |
| Norwegian | førti tusen tre hundre og åttién |
| Persian | چهل هزار و سیصد و هشتاد و یک |
| Polish | czterdzieści tysięcy trzysta osiemdziesiąt jeden |
| Portuguese | quarenta mil trezentos e oitenta e um |
| Romanian | patruzeci mii trei sute optzeci şi unu |
| Russian | сорок тысяч триста восемьдесят один |
| Serbian | четрдесет хиљада триста осамдесет и један |
| Slovak | štyridsať tisíc tristo osemdesiatjeden |
| Slovene | štirideset tisuću tristo osemdeset ena |
| Spanish | cuarenta mil trescientos ochenta y uno |
| Swahili | elfu arobaini, mia tatu na themanini na moja |
| Swedish | fyrtiotusentrehundraåttioen |
| Thai | สี่หมื่นสามร้อยแปดสิบเอ็ด |
| Turkish | kırk bin üç yüz seksen bir |
| Ukrainian | сорок тисяч триста вісімдесят один |
| Vietnamese | bốn mươi nghìn ba trăm tám mươi mốt |
| Number 40381 reversed | 18304 | |
| Unicode Character | U+9DBD | 鶽 |
| Unix Timestamp | Thu, 01 Jan 1970 11:13:01 +0000 | |