18729105940330071

Names of 18729105940330071

• Cardinal: 18729105940330071 can be written as Eighteen quadrillion, seven hundred twenty-nine trillion, one hundred five billion, nine hundred forty million, three hundred thirty thousand and seventy-one.

Scientific notation

• Scientific notation: 1.8729105940330071 × 10¹⁶

Factors of 18729105940330071

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 63

Divisors of 18729105940330071

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 11 13 17 19 33 39 51 57 143 169 187 209 221 247 289 323 361 429 507 561 627 663 741 867 969 1083 1859 2197 2431 2717 2873 3179 3211 3553 3757 3971 4199 4693 5491 5577 6137 6591 6859 7293 8151 8619 9537 9633 10659 11271 11913 12597 14079 16473 18411 20577 24167 31603 35321 37349 41327 41743 46189 48841 51623 54587 60401 61009 67507 71383 72501 75449 79781 89167 94809 104329 105963 112047 116603 123981 125229 130321 138567 146523 154869 163761 181203 183027 202521 214149 226347 239343 267501 312987 349809 390963 410839 459173 537251 600457 634933 671099 709631 785213 793117 877591 927979 980837 1037153 1147619 1159171 1232517 1282633 1356277 1377519 1433531 1515839 1611753 1694173 1801371 1904799 1982251 2013297 2128893 2215457 2355639 2379351 2476099 2632773 2783937 2942511 3111459 3442857 3477513 3847899 4068831 4300593 4547517 5082519 5946753 6646371 6984263 7428297 7805941 8724287 10207769 11408683 12063727 12750881 13482989 14919047 15069223 16674229 17631601 18635903 19705907 20952789 21804761 22024249 23417823 24370027 25769263 26172861 27237089 28800941 30623307 32189287 34226049 36191181 37662769 38252643 40448967 42093683 44757141 45207669 47045881 50022687 52894803 55907709 59117721 65414283 66072747 73110081 77307789 81711267 86402823 96567861 112988307 126281049 132700997 141137643 148312879 165761453 193947611 216764977 229210813 242266739 256176791 283461893 286315237 316810351 335000419 354082157 374412233 398102991 414290459 418460731 444938637 463030513 489615997 497284359 517504691 547217879 581842833 611596453 650294931 687632439 715592611 726800217 768530373 799779977 850385679 858945711 893871739 950431053 1005001257 1062246471 1123236699 1242871377 1255382193 1389091539 1468847991 1552514073 1641653637 1834789359 2146777833 2399339931 2521318943 2681615217 2817944701 3149467607 3685004609 4118534563 4355005447 4603068041 4867359029 5385775967 5439989503 6019396669 6365007961 6727560983 7113832427 7563956829 7871518721 7950753889 8453834103 8797579747 9302703943 9448402821 9832589129 10397139701 11055013827 11620332607 12355603689 13065016341 13596259609 13809204123 14602077087 15195819563 16157327901 16319968509 18058190007 19095023883 20182682949 21341497281 23614556163 23852261667 26392739241 27908111829 29497767387 31191419103 34860997821 40788778827 45587458689 47905059917 53540949319 59839884533 70015087571 78252156697 82745103493 87458292779 92479821551 102329743373 103359800557 114368536711 120935151259 127823658677 135162816113 143715179751 149558855699 151064323891 160622847957 167154015193 176751374917 179519653599 197545654319 210045262713 234756470091 248235310479 258328932571 262374878337 277439464653 306989230119 310079401671 343105610133 362805453777 383470976031 405488448339 448676567097 453192971673 501462045579 530254124751 592636962957 774986797713 910196138423 1017278037061 1136957806127 1330286663849 1486790977243 1572156966367 1661707562801 1757116609469 1944265124087 1963836210583 2173002197509 2297767873921 2568093506147 2730588415269 2841618258281 3051834111183 3358276123423 3410873418381 3990859991547 4460372931729 4716470899101 4985122688403 5271349828407 5832795372261 5891508631749 6519006592527 6893303621763 7704280518441 8524854774843 10074828370269 17293726630037 19328282704159 21602198316413 25275446613131 28249028567617 29870982360973 33385215579911 36941037357653 43657589604499 51881179890111 57984848112477 64806594949239 75826339839393 84747085702851 89612947082919 100155646739733 110823112072959 130972768813497 328580805970703 367237371379021 480233485649489 567548664858487 985742417912109 1101712114137063 1440700456948467 1702645994575461 6243035313443357 18729105940330071
• Sum of all divisors σ(n): 33091227122150400
• Sum of proper divisors (its aliquot sum) s(n): 14362121181820329
• 18729105940330071 is a deficient number, because the sum of its proper divisors (14362121181820329) is less than itself. Its deficiency is 4366984758509742

Bases of 18729105940330071

• Binary: 1000010100010100000010111001010100010001011011001010111₂
• Hexadecimal: 0x428A05CA88B657
• Base-36: 54EWWHLOQQF

Squares and roots of 18729105940330071

• 18729105940330071 squared (18729105940330071²) is 350779409324107153053552426865041
• 18729105940330071 cubed (18729105940330071³) is 6569784718917608775866795268214994074531310947911
• The square root of 18729105940330071 is 136854323.7911395729
• The cube root of 18729105940330071 is 265565.9244998327

Scales and comparisons

• 18,729,105,940,330,071 seconds is equal to 595,527,635 years, 50 weeks, 4 days, 13 hours, 27 minutes, 51 seconds.
• To count from 1 to 18,729,105,940,330,071 would take you about one billion, seven hundred eighty-six million, five hundred eighty-two thousand, nine hundred seven 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 18729105940330071 cubic inches would be around 22130.5 feet tall.

Recreational maths with 18729105940330071

• 18729105940330071 backwards is 17003304950192781
• The number of decimal digits it has is: 17
• The sum of 18729105940330071's digits is 60
• More coming soon!