18938742716502

Names of 18938742716502

• Cardinal: 18938742716502 can be written as Eighteen trillion, nine hundred thirty-eight billion, seven hundred forty-two million, seven hundred sixteen thousand, five hundred two.

Scientific notation

• Scientific notation: 1.8938742716502 × 10¹³

Factors of 18938742716502

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 100

Divisors of 18938742716502

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 27 34 42 49 51 54 63 71 98 102 119 126 142 147 153 189 213 238 289 294 306 357 378 426 441 459 497 578 639 714 833 867 882 918 994 1071 1207 1278 1323 1491 1666 1734 1917 2023 2142 2414 2499 2601 2646 2982 3213 3479 3621 3834 4046 4473 4913 4998 5041 5202 6069 6426 6958 7242 7497 7803 8449 8946 9826 10082 10437 10863 12138 13419 14161 14739 14994 15123 15606 16898 18207 20519 20874 21726 22491 25347 26838 28322 29478 30246 31311 32589 34391 35287 36414 41038 42483 44217 44982 45369 50694 54621 59143 61557 62622 65178 68782 70574 76041 83521 84966 85697 88434 90738 93933 103173 105861 109242 118286 123114 127449 132651 136107 143633 152082 167042 171394 177429 184671 187866 206346 211722 228123 240737 247009 250563 254898 257091 265302 272214 287266 309519 317583 348823 354858 369342 382347 430899 456246 481474 494018 501126 514182 532287 554013 584647 599879 619038 635166 697646 722211 741027 751689 764694 771273 861798 928557 952749 1005431 1046469 1064574 1108026 1169294 1199758 1292697 1419857 1444422 1456849 1482054 1503378 1542546 1596861 1753941 1799637 1857114 1905498 2010862 2092938 2166633 2223081 2255067 2313819 2441761 2585394 2839714 2913698 3016293 3139407 3193722 3507882 3599274 3878091 4092529 4199153 4259571 4333266 4370547 4446162 4510134 4627638 4883522 5261823 5398911 5929991 6032586 6278814 6499899 6669243 7325283 7756182 8185058 8398306 8519142 8741094 9048879 9418221 9938999 10197943 10523646 10797822 11859982 12277587 12597459 12778713 12999798 13111641 13338486 14650566 15785469 16196733 17092327 17789973 18097758 18836442 19877998 20395886 21975849 24555174 24766433 25194918 25557426 26223282 27146637 29816997 30593829 31570938 32393466 34184654 35579946 36832761 37792377 38336139 39334923 41509937 43951698 49532866 51276981 53369919 54293274 59633994 61187658 65927547 69572993 71385601 73665522 74299299 75584754 76672278 78669846 83019874 89450991 91781487 100809847 102553962 106739838 110498283 113377131 124529811 131855094 139145986 142771202 148598598 153830943 160109757 173365031 178901982 183562974 201619694 208718979 214156803 220996566 222897897 226754262 249059622 268352973 275344461 290569559 302429541 307661886 320219514 346730062 373589433 417437958 421029361 428313606 445795794 461492829 520095093 536705946 550688922 581139118 604859082 626156937 642470409 668693691 705668929 747178866 842058722 871708677 907288623 922985658 1040190186 1120768299 1213555217 1252313874 1263088083 1284940818 1337387382 1411337858 1560285279 1743417354 1814577246 1878470811 1927411227 2117006787 2241536598 2427110434 2526176166 2615126031 2721865869 2947205527 3120570558 3640665651 3756941622 3789264249 3854822454 4234013574 4680855837 4939682503 5230252062 5443731738 5894411054 6351020361 7157499137 7281331302 7578528498 7845378093 8841616581 9361711674 9879365006 10921996953 11367792747 12702040722 14314998274 14819047509 15690756186 17683233162 19053061083 20630438689 21472497411 21843993906 22735585494 26524849743 29638095018 32765990859 38106122166 41260877378 42944994822 44457142527 50102493959 53049699486 61891316067 64417492233 65531981718 79574549229 88914285054 100204987918 123782632134 128834984466 133371427581 150307481877 159149098458 185673948201 193252476699 266742855162 300614963754 350717457713 371347896402 386504953398 450922445631 557021844603 701434915426 901844891262 1052152373139 1114043689206 1352767336893 2104304746278 2705534673786 3156457119417 6312914238834 9469371358251 18938742716502
• Sum of all divisors σ(n): 52760077166160
• Sum of proper divisors (its aliquot sum) s(n): 33821334449658
• 18938742716502 is an abundant number, because the sum of its proper divisors (33821334449658) is greater than itself. Its abundance is 14882591733156

Bases of 18938742716502

• Binary: 100010011100110000101000010000011100001010110₂
• Hexadecimal: 0x113985083856
• Base-36: 6POC6FGPI

Squares and roots of 18938742716502

• 18938742716502 squared (18938742716502²) is 358675975681857554343116004
• 18938742716502 cubed (18938742716502³) is 6792872022029028230457554877778271098008
• The square root of 18938742716502 is 4351866.5784352811
• The cube root of 18938742716502 is 26655.3085891027

Scales and comparisons

• 18,938,742,716,502 seconds is equal to 602,193 years, 22 weeks, 5 days, 1 hour, 41 minutes, 42 seconds.
• To count from 1 to 18,938,742,716,502 would take you about one million, five hundred five thousand, four hundred eighty-three 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 18938742716502 cubic inches would be around 2221.3 feet tall.

Recreational maths with 18938742716502

• 18938742716502 backwards is 20561724783981
• 18938742716502 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18938742716502's digits is 63
• More coming soon!