18738008984528964

Names of 18738008984528964

• Cardinal: 18738008984528964 can be written as Eighteen quadrillion, seven hundred thirty-eight trillion, eight billion, nine hundred eighty-four million, five hundred twenty-eight thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 1.8738008984528964 × 10¹⁶

Factors of 18738008984528964

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1082

Divisors of 18738008984528964

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 67 78 81 108 117 134 156 162 201 234 268 324 351 402 468 603 702 804 871 997 1053 1206 1404 1742 1809 1994 2106 2412 2613 2991 3484 3618 3988 4212 4489 5226 5427 5982 7236 7839 8973 8978 10452 10854 11964 12961 13467 15678 17946 17956 21708 23517 25922 26919 26934 31356 35892 38883 40401 47034 51844 53838 53868 58357 66799 70551 77766 80757 80802 94068 107676 116649 116714 121203 133598 141102 155532 161514 161604 175071 200397 233298 233428 242406 267196 282204 323028 349947 350142 363609 400794 466596 484812 525213 601191 699894 700284 727218 801588 868387 994009 1049841 1050426 1202382 1399788 1454436 1575639 1736774 1803573 1988018 2099682 2100852 2404764 2605161 2982027 3151278 3473548 3607146 3976036 4199364 4475533 4726917 5210322 5410719 5964054 6302556 7214292 7815483 8946081 8951066 9453834 10420644 10821438 11928108 12922117 13426599 15630966 17892162 17902132 18907668 21642876 23446449 25844234 26838243 26853198 31261932 35784324 38766351 40279797 46892898 51688468 53676486 53706396 58181929 66598603 70339347 77532702 80514729 80559594 93785796 107352972 116299053 116363858 120839391 133197206 140678694 155065404 161029458 161119188 174545787 199795809 232598106 232727716 241678782 266394412 281357388 322058916 348897159 349091574 362518173 399591618 465196212 483357564 523637361 599387427 697794318 698183148 725036346 799183236 865781839 991026973 1046691477 1047274722 1198774854 1395588636 1450072692 1570912083 1731563678 1798162281 1982053946 2093382954 2094549444 2397549708 2597345517 2973080919 3141824166 3463127356 3596324562 3964107892 4186765908 4462106401 4712736249 5194691034 5394486843 5946161838 6283648332 7192649124 7792036551 8919242757 8924212802 9425472498 10389382068 10788973686 11892323676 12883350649 13386319203 15584073102 17838485514 17848425604 18850944996 21577947372 23376109653 25766701298 26757728271 26772638406 31168146204 35676971028 38650051947 40158957609 46752219306 51533402596 53515456542 53545276812 58007383213 66398807191 70128328959 77300103894 80273184813 80317915218 93504438612 107030913084 115950155841 116014766426 120476872827 132797614382 140256657918 154600207788 160546369626 160635830436 174022149639 199196421573 231900311682 232029532852 240953745654 265595228764 280513315836 321092739252 347850467523 348044299278 361430618481 398392843146 463800623364 481907491308 522066448917 597589264719 695700935046 696088598556 722861236962 796785686292 863184493483 1043551402569 1044132897834 1195178529438 1391401870092 1445722473924 1566199346751 1726368986966 1792767794157 2087102805138 2088265795668 2390357058876 2589553480449 3132398693502 3452737973932 3585535588314 4174205610276 4448720081797 4698598040253 5179106960898 5378303382471 6264797387004 7171071176628 7768660441347 8897440163594 9397196080506 10358213921796 10756606764942 13346160245391 15537320882694 17794880327188 18794392161012 21513213529884 23305981324041 26692320490782 31074641765388 40038480736173 46611962648082 53384640981564 57833361063361 69917943972123 80076961472346 93223925296164 115666722126722 120115442208519 139835887944246 160153922944692 173500083190083 231333444253444 240230884417038 279671775888492 347000166380166 360346326625557 480461768834076 520500249570249 694000332760332 720692653251114 1041000499140498 1441385306502228 1561500748710747 2082000998280996 3123001497421494 4684502246132241 6246002994842988 9369004492264482 18738008984528964
• Sum of all divisors σ(n): 53605798483193880
• Sum of proper divisors (its aliquot sum) s(n): 34867789498664916
• 18738008984528964 is an abundant number, because the sum of its proper divisors (34867789498664916) is greater than itself. Its abundance is 16129780514135952

Bases of 18738008984528964

• Binary: 1000010100100100001111010110001010100100010100001000100₂
• Hexadecimal: 0x42921EB1522844
• Base-36: 54I2IHOC090

Squares and roots of 18738008984528964

• 18738008984528964 squared (18738008984528964²) is 351112980704288176624704954913296
• 18738008984528964 cubed (18738008984528964³) is 6579158187021696627643963332574765820822020705344
• The square root of 18738008984528964 is 136886847.3759585275
• The cube root of 18738008984528964 is 265607.9975283511

Scales and comparisons

• 18,738,008,984,528,964 seconds is equal to 595,810,725 years, 12 weeks, 3 days, 14 hours, 29 minutes, 24 seconds.
• To count from 1 to 18,738,008,984,528,964 would take you about one billion, seven hundred eighty-seven million, four hundred thirty-two thousand, one hundred seventy-five 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 18738008984528964 cubic inches would be around 22134 feet tall.

Recreational maths with 18738008984528964

• 18738008984528964 backwards is 46982548980083781
• The number of decimal digits it has is: 17
• The sum of 18738008984528964's digits is 90
• More coming soon!