18121342750875

Names of 18121342750875

• Cardinal: 18121342750875 can be written as Eighteen trillion, one hundred twenty-one billion, three hundred forty-two million, seven hundred fifty thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 1.8121342750875 × 10¹³

Factors of 18121342750875

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 19631

Divisors of 18121342750875

• Number of divisors d(n): 640
• Complete list of divisors:
  1 3 5 7 9 13 15 19 21 25 27 35 39 45 53 57 63 65 75 81 91 95 105 117 125 133 135 159 171 175 189 195 225 247 265 273 285 315 325 351 371 375 399 405 455 475 477 513 525 567 585 665 675 689 741 795 819 855 875 945 975 1007 1053 1113 1125 1197 1235 1325 1365 1425 1431 1539 1575 1625 1729 1755 1855 1995 2025 2067 2223 2275 2375 2385 2457 2565 2625 2835 2925 3021 3325 3339 3375 3445 3591 3705 3975 4095 4275 4293 4725 4823 4875 5035 5187 5265 5565 5985 6175 6201 6625 6669 6825 7049 7125 7155 7371 7695 7875 8645 8775 9063 9275 9975 10017 10125 10335 10773 11115 11375 11925 12285 12825 13091 14175 14469 14625 15105 15561 16625 16695 17225 17955 18525 18603 19531 19875 20007 20475 21147 21375 21465 23625 24115 25175 25935 26325 27189 27825 29925 30051 30875 31005 33345 34125 35245 35775 36855 38475 39273 43225 43407 43875 45315 46375 46683 49875 50085 51675 53865 55575 55809 58593 59625 61425 63441 64125 65455 70875 72345 75525 77805 81567 83475 86125 89775 91637 92625 93015 97655 100035 102375 105735 107325 117819 120575 125875 129675 130221 131625 135945 136717 139125 140049 149625 150255 155025 166725 175779 176225 178875 184275 190323 192375 196365 216125 217035 226575 233415 250425 253903 258375 269325 274911 277875 279045 292965 307125 317205 327275 353457 361725 371089 377625 389025 390663 407835 410151 417375 448875 458185 465075 488275 500175 527337 528675 536625 570969 589095 602875 648375 651105 679725 683585 700245 751275 761709 775125 824733 833625 878895 881125 921375 951615 981825 1035143 1060371 1085175 1113267 1132875 1167075 1230453 1252125 1269515 1346625 1374555 1395225 1464825 1582011 1586025 1636375 1767285 1777321 1808625 1855445 1945125 1953315 2039175 2050755 2285127 2290925 2325375 2441375 2474199 2500875 2597623 2636685 2643375 2854845 2945475 3105429 3255525 3339801 3398625 3417925 3501225 3691359 3756375 3808545 4123665 4394475 4758075 4824157 4909125 5175715 5301855 5331963 5425875 5566335 5835375 6152265 6347575 6855381 6872775 6976125 7246001 7324125 7422597 7792869 7910055 7930125 8836425 8886605 9277225 9316287 9766575 10019403 10195875 10253775 11074077 11425635 11454625 12370995 12988115 13183425 13456859 14274225 14472471 14727375 15527145 15995889 16277625 16699005 17089625 17506125 18456795 19042725 19667717 20566143 20618325 21738003 21972375 23378607 23790375 24120785 25878575 26509275 26659815 27831675 27948861 30058209 30761325 31737875 33769099 34276905 34363875 36230005 37112985 38964345 39550275 40370577 43417413 44182125 44433025 46386125 46581435 47987667 48832875 50097015 51268875 55370385 57128175 59003151 61854975 64940575 65214009 65917125 67284295 70135821 71371125 72362355 77635725 79979445 83495025 83846583 92283975 94198013 95213625 98338585 101307297 102830715 103091625 108690015 116893035 120603925 121111731 129392875 130252239 132546375 133299075 137674019 139158375 139744305 143963001 150291045 153806625 168845495 171384525 177009453 181150025 185564925 194821725 195642027 197751375 201852885 210407463 217087065 222165125 232907175 239938335 250485075 255680321 276851925 282594039 285640875 295015755 303921891 309274875 324702875 326070045 336421475 350679105 361811775 363335193 388178625 390756717 399897225 413022057 417475125 419232915 461419875 470990065 491692925 506536485 514153575 531028359 543450075 584465175 586926081 603019625 605558655 651261195 666495375 688370095 698721525 719815005 751455225 767040963 844227475 847782117 856922625 885047265 905750125 911765673 927824625 974108625 978210135 1009264425 1052037315 1085435325 1090005579 1164535875 1199691675 1239066171 1252425375 1278401605 1384259625 1412970195 1475078775 1519609455 1593085077 1630350225 1682107375 1753395525 1789762247 1809058875 1816675965 1953783585 1999486125 2065110285 2096164575 2301122889 2354950325 2458464625 2532682425 2543346351 2570767875 2655141795 2717250375 2735297019 2922325875 2934630405 3027793275 3256305975 3441850475 3493607625 3599075025 3717198513 3757276125 3835204815 4221137375 4238910585 4425236325 4558828365 4891050675 5046322125 5260186575 5369286741 5427176625 5450027895 5998458375 6195330855 6392008025 6903368667 7064850975 7375393875 7598047275 7630039053 7965425385 8151751125 8766977625 8948811235 9083379825 9768917925 10325551425 10480822875 11151595539 11505614445 11774751625 12663412125 12716731755 13275708975 13676485095 14673152025 15138966375 16107860223 16281529875 17209252375 17995375125 18585992565 19176024075 20710106001 21194552925 22126181625 22794141825 24455253375 26300932875 26846433705 27250139475 30976654275 31960040125 34516843335 35324254875 37990236375 38150195265 39827126925 44744056175 45416899125 48323580669 48844589625 51627757125 55757977695 57528072225 63583658775 66378544875 68382425475 73365760125 80539301115 92929962825 95880120375 103550530005 105972764625 113970709125 134232168525 136250697375 144970742007 154883271375 172584216675 190750976325 199135634625 223720280875 241617903345 278789888475 287640361125 317918293875 341912127375 402696505575 464649814125 517752650025 671160842625 724853710035 862921083375 953754881625 1208089516725 1393949442375 2013482527875 2588763250125 3624268550175 6040447583625 18121342750875
• Sum of all divisors σ(n): 44596262430720
• Sum of proper divisors (its aliquot sum) s(n): 26474919679845
• 18121342750875 is an abundant number, because the sum of its proper divisors (26474919679845) is greater than itself. Its abundance is 8353576928970

Bases of 18121342750875

• Binary: 100000111101100110100001100101001000010011011₂
• Hexadecimal: 0x107B3432909B
• Base-36: 6F8TVLEOR

Squares and roots of 18121342750875

• 18121342750875 squared (18121342750875²) is 328383063094689912313265625
• 18121342750875 cubed (18121342750875³) is 5950742039921086786203985435692076171875
• The square root of 18121342750875 is 4256917.0476854491
• The cube root of 18121342750875 is 26266.1724684781

Scales and comparisons

• 18,121,342,750,875 seconds is equal to 576,202 years, 33 weeks, 4 days, 7 hours, 41 minutes, 15 seconds.
• To count from 1 to 18,121,342,750,875 would take you about one million, four hundred forty thousand, five hundred six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18121342750875 cubic inches would be around 2188.8 feet tall.

Recreational maths with 18121342750875

• 18121342750875 backwards is 57805724312181
• The number of decimal digits it has is: 14
• The sum of 18121342750875's digits is 54
• More coming soon!