| Nominal | 61990 |
| Cardinal | sixty-one thousand nine hundred ninety |
Cardinal sixty-one thousand nine hundred ninety | |
| Ordinal | 61,990th |
| Number of digits | 5 |
| Sum of digits | 25 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 5 x 6199 |
| Prime factors | 2, 5, 6199 |
| Number of distinct prime factors ω(n) | 3 |
| Total number of prime factors Ω(n) | 3 |
| Sum of prime factors | 6206 |
| Product of prime factors | 61990 |
| Is 61990 a prime number? | No |
| Is 61990 a semiprime number? | No |
| Is 61990 a Chen prime number? | No |
| Is 61990 a Mersenne prime number? | No |
| Is 61990 a Catalan number? | No |
| Is 61990 a Fibonacci number? | No |
| Is 61990 a Idoneal number? | No |
| Square of 61990 (n2) | 3842760100 |
| Cube of 61990 (n3) | 238212698599000 |
| Square root of 61990 | 248.97791066679 |
| Natural Logarithm (ln) of 61990 | 11.034728360696 |
| Decimal Logarithm (log) of 61990 | 4.7923216363516 |
| Sine of 61990 | 0.093622056301305 |
| Cosecant of 61990 | 10.681243710154 |
| Cosine of 61990 | 0.99560780961879 |
| Secant of 61990 | 1.0044115668226 |
| Tangent of 61990 | 0.094035076258746 |
| Cotangent of 61990 | 10.634329654271 |
| The spelling of 61990 in words is "sixty-one thousand nine hundred ninety", meaning that: |
| 61990 is not an aban number (as it contains the letter a) |
| 61990 is not an eban number (as it contains the letter e) |
| 61990 is not an iban number (as it contains the letter i) |
| 61990 is not an oban number (as it contains the letter o) |
| 61990 is not a tban number (as it contains the letter t) |
| 61990 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৬১৯৯০ |
| Eastern Arabic numerals | ٦١٬٩٩٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓂭𓆼𓍪𓎎 |
| Khmer numerals | ៦១៩៩០ |
| Japanese numerals | 六万千九百九十 |
| Roman numerals | n/a |
| Thai numerals | ๖๑๙๙๐ |
| Arabic | واحد و ستون ألف و تسعة مائة و تسعون |
| Croatian | šezdeset i jedna tisuća devetsto devedeset |
| Czech | šedesát jedna tisíc devět set devadesát |
| Danish | en og tres tusinde ni hundrede halvfems |
| Dutch | éénenzestigduizend negenhonderdnegentig |
| Estonian | akpe blaade vɔ ɖekɛ alafa asieke kple blaasieke |
| Faroese | sekstieitt tusin og níggjuhundraðogníti |
| Filipino | anim na pû’t isáng libó’t siyám na daán at siyám na pû |
| Finnish | kuusikymmentäyksituhattayhdeksänsataayhdeksänkymmentä |
| French | soixante et un mille neuf cent quatre-vingt-dix |
| Greek | εξήντα μία χίλιάδες εννιακόσια εννενήντα |
| German | einundsechzigtausendneunhundertneunzig |
| Hebrew | שישים ואחד אלף תשע מאות תשעים |
| Hindi | इकसठ हज़ार नौ सौ नब्बे |
| Hungarian | hatvanegyezerkilencszázkilencven |
| Icelandic | sextíu og eitt þúsund og níuhundrað og níutíu |
| Indonesian | enam puluh satu ribu sembilan ratus sembilan puluh |
| Italian | sessant e unmilanovecentonovanta |
| Japanese | 六万千九百九十 |
| Korean | 육만 천구백구십 |
| Latvian | sešdesmit viens tūkstoši deviņsimt deviņdesmit |
| Lithuanian | šešiasdešimt vienas tūkstantis devyni šimtai devyniasdešimt |
| Norwegian | sekstiett tusen ni hundre og nitti |
| Persian | شصت و یک هزار و نهصد و نود |
| Polish | sześćdziesiąt jeden tysięcy dziewięćset dziewięćdziesiąt |
| Portuguese | sessenta e um mil novecentos e noventa |
| Romanian | şasezeci şi una mii nouă sute nouăzeci |
| Russian | шестьдесят одна тысяча девятьсот девяносто |
| Serbian | шездесет и једна хиљада деветсто деведесет |
| Slovak | šesťdesiatjedna tisíc deväťsto deväťdesiat |
| Slovene | šestdeset ena tisuću devetsto devetdeset |
| Spanish | sesenta y un mil novecientos noventa |
| Swahili | elfu sitini na moja, mia tisa na tisini |
| Swedish | sextioentusenniohundranittio |
| Thai | หกหมื่นหนึ่งพันเก้าร้อยเก้าสิบ |
| Turkish | altmış bir bin dokuz yüz doksan |
| Ukrainian | шістдесят одна тисяча девʼятсот девʼяносто |
| Vietnamese | sáu mươi mốt nghìn chín trăm chín mươi |
| Number 61990 reversed | 09916 | |
| Unicode Character | U+F226 | |
| Unix Timestamp | Thu, 01 Jan 1970 17:13:10 +0000 | |