| Nominal | 81120 |
| Cardinal | eighty-one thousand one hundred twenty |
Cardinal eighty-one thousand one hundred twenty | |
| Ordinal | 81,120th |
| Number of digits | 5 |
| Sum of digits | 12 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 2 x 2 x 3 x 5 x 13 x 13 |
| Prime factorization in exponent form | 25 x 3 x 5 x 132 |
| Prime factors | 2, 3, 5, 13 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 9 |
| Sum of prime factors | 23 |
| Product of prime factors | 390 |
| Is 81120 a prime number? | No |
| Is 81120 a semiprime number? | No |
| Is 81120 a Chen prime number? | No |
| Is 81120 a Mersenne prime number? | No |
| Is 81120 a Catalan number? | No |
| Is 81120 a Fibonacci number? | No |
| Is 81120 a Idoneal number? | No |
| Square of 81120 (n2) | 6580454400 |
| Cube of 81120 (n3) | 533806460928000 |
| Square root of 81120 | 284.81572990269 |
| Natural Logarithm (ln) of 81120 | 11.303684818825 |
| Decimal Logarithm (log) of 81120 | 4.9091279419893 |
| Sine of 81120 | -0.80524684516132 |
| Cosecant of 81120 | -1.241855222419 |
| Cosine of 81120 | -0.59293972573757 |
| Secant of 81120 | -1.6865120628511 |
| Tangent of 81120 | 1.3580585179373 |
| Cotangent of 81120 | 0.73634529498688 |
| The spelling of 81120 in words is "eighty-one thousand one hundred twenty", meaning that: |
| 81120 is not an aban number (as it contains the letter a) |
| 81120 is not an eban number (as it contains the letter e) |
| 81120 is not an iban number (as it contains the letter i) |
| 81120 is not an oban number (as it contains the letter o) |
| 81120 is not a tban number (as it contains the letter t) |
| 81120 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৮১১২০ |
| Eastern Arabic numerals | ٨١٬١٢٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓍢𓎇 |
| Khmer numerals | ៨១១២០ |
| Japanese numerals | 八万千百二十 |
| Roman numerals | n/a |
| Thai numerals | ๘๑๑๒๐ |
| Arabic | واحد و ثمانون ألف و مائة و عشرون |
| Croatian | osamdeset i jedna tisuća sto dvadeset |
| Czech | osmdesát jedna tisíc sto dvacet |
| Danish | en og firs tusinde et hundrede tyve |
| Dutch | éénentachtigduizend honderdtwintig |
| Estonian | akpe blaenyi vɔ ɖekɛ alafa ɖeka kple blaeve |
| Faroese | áttatieitt tusin og eitthundraðogtjúgo |
| Filipino | walóng pû’t isáng libó’t isáng daán at dalawáng pû |
| Finnish | kahdeksankymmentäyksituhattasatakaksikymmentä |
| French | quatre-vingt-un mille cent vingt |
| Greek | ογδόντα μία χίλιάδες εκατόν είκοσι |
| German | einundachtzigtausendeinhundertzwanzig |
| Hebrew | שמונים ואחד אלף מאה עשרים |
| Hindi | इक्यासी हज़ार एक सौ बीस |
| Hungarian | nyolcvanegyezerszázhúsz |
| Icelandic | áttatíu og eitt þúsund og eitthundrað og tuttugu |
| Indonesian | delapan puluh satu ribu seratus dua puluh |
| Italian | ottant e unmilacentoventi |
| Japanese | 八万千百二十 |
| Korean | 팔만 천백이십 |
| Latvian | astoņdesmit viens tūkstoši simt divdesmit |
| Lithuanian | aštuoniasdešimt vienas tūkstantis šimtas dvidešimt |
| Norwegian | åttiett tusen hundre og tjue |
| Persian | هشتاد و یک هزار و صد و بیست |
| Polish | osiemdziesiąt jeden tysięcy sto dwadzieścia |
| Portuguese | oitenta e um mil cento e vinte |
| Romanian | optzeci şi una mii una sută douăzeci |
| Russian | восемьдесят одна тысяча сто двадцать |
| Serbian | осамдесет и једна хиљада сто двадесет |
| Slovak | osemdesiatjedna tisíc jednasto dvadsať |
| Slovene | osemdeset ena tisuću sto dvaset |
| Spanish | ochenta y un mil ciento veinte |
| Swahili | elfu themanini na moja, mia moja na ishirini |
| Swedish | åttioentusenenhundratjugo |
| Thai | แปดหมื่นหนึ่งพันหนึ่งร้อยยี่สิบ |
| Turkish | seksen bir bin yüz yirmi |
| Ukrainian | вісімдесят одна тисяча сто двадцять |
| Vietnamese | tám mươi mốt nghìn một trăm hai mươi |
| Number 81120 reversed | 02118 | |
| Unicode Character | U+13CE0 | |
| Unix Timestamp | Thu, 01 Jan 1970 22:32:00 +0000 | |