| Nominal | 18240 |
| Cardinal | eighteen thousand two hundred forty |
Cardinal eighteen thousand two hundred forty | |
| Ordinal | 18,240th |
| Number of digits | 5 |
| Sum of digits | 15 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 19 |
| Prime factorization in exponent form | 26 x 3 x 5 x 19 |
| Prime factors | 2, 3, 5, 19 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 9 |
| Sum of prime factors | 29 |
| Product of prime factors | 570 |
| Is 18240 a prime number? | No |
| Is 18240 a semiprime number? | No |
| Is 18240 a Chen prime number? | No |
| Is 18240 a Mersenne prime number? | No |
| Is 18240 a Catalan number? | No |
| Is 18240 a Fibonacci number? | No |
| Is 18240 a Idoneal number? | No |
| Square of 18240 (n2) | 332697600 |
| Cube of 18240 (n3) | 6068404224000 |
| Square root of 18240 | 135.05554412907 |
| Natural Logarithm (ln) of 18240 | 9.8113722636283 |
| Decimal Logarithm (log) of 18240 | 4.2610248339924 |
| Sine of 18240 | -0.086837234670451 |
| Cosecant of 18240 | -11.515797385707 |
| Cosine of 18240 | 0.99622251263199 |
| Secant of 18240 | 1.0037918108857 |
| Tangent of 18240 | -0.087166505042162 |
| Cotangent of 18240 | -11.47229660655 |
| The spelling of 18240 in words is "eighteen thousand two hundred forty", meaning that: |
| 18240 is not an aban number (as it contains the letter a) |
| 18240 is not an eban number (as it contains the letter e) |
| 18240 is not an iban number (as it contains the letter i) |
| 18240 is not an oban number (as it contains the letter o) |
| 18240 is not a tban number (as it contains the letter t) |
| 18240 is not an uban number (as it contains the letter u) |
| Bengali numerals | ১৮২৪০ |
| Eastern Arabic numerals | ١٨٬٢٤٠ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍣𓎉 |
| Khmer numerals | ១៨២៤០ |
| Japanese numerals | 一万八千二百四十 |
| Roman numerals | n/a |
| Thai numerals | ๑๘๒๔๐ |
| Arabic | ثمانية عشر ألف و مائتان و أربعون |
| Croatian | osamnaest tisuća dvjesto četrdeset |
| Czech | osmnáct tisíc dvě stě čtyřicet |
| Danish | atten tusinde to hundrede fyrre |
| Dutch | achttienduizend tweehonderdveertig |
| Estonian | akpe wuienyi alafa eve kple blaene |
| Faroese | átjan tusin og tveyhundraðogfýrati |
| Filipino | labíng-walóng libó’t dalawáng daán at ápat na pû |
| Finnish | kahdeksantoistatuhattakaksisataaneljäkymmentä |
| French | dix-huit mille deux cent quarante |
| Greek | δεκαοκτώ χίλιάδες διακόσια σαράντα |
| German | achtzehntausendzweihundertvierzig |
| Hebrew | שמונה עשר אלף מאתיים ארבעים |
| Hindi | अठारह हज़ार दो सौ चालीस |
| Hungarian | tizennyolcezerkétszáznegyven |
| Icelandic | átján þúsund og tvöhundrað og fjörutíu |
| Indonesian | delapan belas ribu dua ratus empat puluh |
| Italian | diciottomiladuecentoquaranta |
| Japanese | 一万八千二百四十 |
| Korean | 만 팔천이백사십 |
| Latvian | astoņpadsmit tūkstoši divsimt četrdesmit |
| Lithuanian | aštuoniolika tūkstančių du šimtai keturiasdešimt |
| Norwegian | atten tusen to hundre og førti |
| Persian | هجده هزار و دویست و چهل |
| Polish | osiemnaście tysięcy dwieście czterdzieści |
| Portuguese | dezoito mil duzentos e quarenta |
| Romanian | optsprezece mii două sute patruzeci |
| Russian | восемнадцать тысяч двести сорок |
| Serbian | осамнаест хиљада двеста четрдесет |
| Slovak | osemnásť tisíc dvesto štyridsať |
| Slovene | asemnajst tisuću dvjesto štirideset |
| Spanish | dieciocho mil doscientos cuarenta |
| Swahili | elfu kumi na nane, mia mbili na arobaini |
| Swedish | artontusentvåhundrafyrtio |
| Thai | หนึ่งหมื่นแปดพันสองร้อยสี่สิบ |
| Turkish | on sekiz bin iki yüz kırk |
| Ukrainian | вісімнадцять тисяч двісті сорок |
| Vietnamese | mười tám nghìn hai trăm bốn mươi |
| Number 18240 reversed | 04281 | |
| Unicode Character | U+4740 | 䝀 |
| Unix Timestamp | Thu, 01 Jan 1970 05:04:00 +0000 | |