18668626998540337

Names of 18668626998540337

• Cardinal: 18668626998540337 can be written as Eighteen quadrillion, six hundred sixty-eight trillion, six hundred twenty-six billion, nine hundred ninety-eight million, five hundred forty thousand, three hundred thirty-seven.

Scientific notation

• Scientific notation: 1.8668626998540337 × 10¹⁶

Factors of 18668626998540337

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 128

Divisors of 18668626998540337

• Number of divisors d(n): 288
• Complete list of divisors:
  1 7 13 41 49 67 91 169 287 343 469 533 637 871 1183 1681 2009 2197 2401 2747 3283 3731 4459 4489 6097 6929 8281 11323 11767 14063 15379 16807 19229 21853 22981 26117 31213 31423 35711 42679 48503 57967 58357 79261 82369 90077 98441 107653 112627 134603 147199 152971 160867 182819 184049 218491 219961 249977 284089 298753 300763 339521 405769 408499 464243 554827 576583 630539 689087 753571 758641 788389 942221 1030393 1070797 1126069 1279733 1288343 1464151 1539727 1749839 1988623 2091271 2105341 2376647 2392637 2840383 2859493 3249701 3693157 3883789 3909919 4036081 4413773 5274997 5310487 5518723 6035159 6595547 7212751 7495579 7546009 8958131 9018401 9862333 10249057 10778089 12248873 12331283 13920361 14638897 14737387 16636529 16748459 19033963 20016451 22747907 25852099 27186523 27369433 28252567 30896411 31104281 36924979 37173409 38631061 42246113 46168829 50489257 50828947 52469053 52822063 63128807 69036331 71743399 75446623 85742111 86318981 97442527 98098117 103161709 116455703 117239213 133237741 140115157 159235349 160306679 180964693 190305661 191586031 216274877 217729967 247441519 260213863 270417427 295722791 353424799 355802629 367283371 369754441 404355653 441901649 483254317 502203793 505582603 600194777 604232867 660776311 682097689 686686819 722131963 820674491 932664187 980806099 1114647443 1122146753 1266752851 1275275521 1341102217 1513924139 1524109769 1732090633 1821497041 1892921989 2070059537 2083986827 2473973593 2490618403 2588281087 2830489571 3093311543 3382780219 3515426551 3539078221 4229630069 4625434177 4774683823 4806807733 5054923741 5744721437 6528649309 6572573839 7802532101 7855027271 8867269957 8926928647 9387715519 10668768383 12124634431 12750479287 14490416759 14587907789 16578581773 17434328821 18117967609 19813426997 23679461533 24607985857 24773547547 27091828751 29607410483 32378039239 33647654131 40213050059 45700545163 46008016873 54985190897 62070889699 62488500529 65714008633 74681378681 84872441017 85443459907 101432917313 102115354523 116050072411 122040301747 126825773263 138693988979 165756230731 173414832829 189642801257 207251873381 226646274673 235533578917 319903816141 322056118111 384896336279 437419503703 522769650767 594107087119 598104219349 714807481661 812350506877 854282112229 970857922853 1110764978791 1213903829803 1327499608799 1586523922711 1648735052419 2254392826777 2694274353953 3061936525921 4158749609833 4186729535443 5003652371627 5686453548139 6796005459971 7775354851537 8497326808621 9292497261593 11105667458977 15780749787439 21433555681447 29307106748101 35025566601389 39805174836973 54427483960759 65047480831151 110465248512073 205149747236707 278636223858811 380992387725313 455332365818057 1436048230656949 2666946714077191 18668626998540337
• Sum of all divisors σ(n): 24549959864774400
• Sum of proper divisors (its aliquot sum) s(n): 5881332866234063
• 18668626998540337 is a deficient number, because the sum of its proper divisors (5881332866234063) is less than itself. Its deficiency is 12787294132306274

Bases of 18668626998540337

• Binary: 1000010010100110000010001110000101100010011100000110001₂
• Hexadecimal: 0x42530470B13831
• Base-36: 53TH4UH9KC1

Squares and roots of 18668626998540337

• 18668626998540337 squared (18668626998540337²) is 348517634010629191816728616073569
• 18668626998540337 cubed (18668626998540337³) is 6506345711758232122125101855688882677839206052753
• The square root of 18668626998540337 is 136633184.1045224891
• The cube root of 18668626998540337 is 265279.7662402737

Scales and comparisons

• 18,668,626,998,540,337 seconds is equal to 593,604,592 years, 36 weeks, 2 days, 8 hours, 45 minutes, 37 seconds.
• To count from 1 to 18,668,626,998,540,337 would take you about one billion, seven hundred eighty million, eight hundred thirteen thousand, seven hundred seventy-eight 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 18668626998540337 cubic inches would be around 22106.6 feet tall.

Recreational maths with 18668626998540337

• 18668626998540337 backwards is 73304589962686681
• 18668626998540337 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18668626998540337's digits is 91
• More coming soon!