138987031126620544

Names of 138987031126620544

• Cardinal: 138987031126620544 can be written as One hundred thirty-eight quadrillion, nine hundred eighty-seven trillion, thirty-one billion, one hundred twenty-six million, six hundred twenty thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.38987031126620544 × 10¹⁷

Factors of 138987031126620544

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 11431

Divisors of 138987031126620544

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 49 56 58 64 98 112 116 128 196 203 224 232 343 392 406 448 464 686 784 812 841 896 928 1372 1421 1568 1624 1682 1856 2744 2842 3136 3248 3364 3712 5488 5684 5887 6272 6496 6728 9947 10976 11368 11393 11774 12992 13456 19894 21952 22736 22786 23548 24389 25984 26912 39788 41209 43904 45472 45572 47096 48778 53824 79576 79751 82418 90944 91144 94192 97556 107648 159152 159502 164836 170723 181888 182288 188384 195112 288463 318304 319004 329672 330397 341446 364576 376768 390224 558257 576926 636608 638008 659344 660794 682892 729152 753536 780448 1116514 1153852 1195061 1273216 1276016 1318688 1321588 1365784 1458304 1560896 2233028 2307704 2312779 2390122 2552032 2637376 2643176 2731568 3121792 3907799 4466056 4615408 4625558 4780244 5104064 5274752 5286352 5463136 7815598 8365427 8932112 9230816 9251116 9560488 9581513 10208128 10572704 10926272 15631196 16189453 16730854 17864224 18461632 18502232 19120976 19163026 21145408 21852544 31262392 32378906 33461708 35728448 36923264 37004464 38241952 38326052 42290816 62524784 64757812 66923416 67070591 71456896 74008928 76483904 76652104 113326171 125049568 129515624 129800449 133846832 134141182 148017856 152967808 153304208 226652342 250099136 259031248 259600898 267693664 268282364 277863877 296035712 306608416 453304684 469494137 500198272 518062496 519201796 535387328 536564728 555727754 613216832 906609368 908603143 938988274 1036124992 1038403592 1070774656 1073129456 1111455508 1226433664 1813218736 1817206286 1877976548 1945047139 2072249984 2076807184 2146258912 2222911016 3286458959 3626437472 3634412572 3755953096 3764213021 3890094278 4153614368 4292517824 4445822032 6360222001 6572917918 7252874944 7268825144 7511906192 7528426042 7780188556 8307228736 8585035648 8891644064 12720444002 13145835836 13615329973 14505749888 14537650288 15023812384 15056852084 15560377112 16614457472 17783288128 25440888004 26291671672 26349491147 27230659946 29075300576 30047624768 30113704168 31120754224 35566576256 44521554007 50881776008 52583343344 52698982294 54461319892 58150601152 60095249536 60227408336 62241508448 89043108014 95307309811 101763552016 105166686688 105397964588 108922639784 109162177609 116301202304 120454816672 124483016896 178086216028 184446438029 190614619622 203527104032 210333373376 210795929176 217845279568 218324355218 240909633344 248966033792 356172432056 368892876058 381229239244 407054208064 420666746752 421591858352 435690559136 436648710436 481819266688 712344864112 737785752116 762458478488 764135243263 814108416128 843183716704 871381118272 873297420872 1291125066203 1424689728224 1475571504232 1524916956976 1528270486526 1686367433408 1742762236544 1746594841744 2582250132406 2849379456448 2951143008464 3049833913952 3056540973052 3165703150661 3372734866816 3493189683488 5164500264812 5348946702841 5698758912896 5902286016928 6099667827904 6113081946104 6331406301322 6986379366976 10329000529624 10697893405682 11804572033856 12199335655808 12226163892208 12662812602644 13972758733952 20658001059248 21395786811364 22159922054627 23609144067712 24452327784416 25325625205288 37442626919887 41316002118496 42791573622728 44319844109254 48904655568832 50651250410576 74885253839774 82632004236992 85583147245456 88639688218508 97809311137664 101302500821152 149770507679548 155119454382389 165264008473984 171166294490912 177279376437016 202605001642304 299541015359096 310238908764778 342332588981824 354558752874032 405210003284608 599082030718192 620477817529556 684665177963648 709117505748064 1085836180676723 1198164061436384 1240955635059112 1418235011496128 2171672361353446 2396328122872768 2481911270118224 2836470022992256 4343344722706892 4792656245745536 4963822540236448 8686689445413784 9927645080472896 17373378890827568 19855290160945792 34746757781655136 69493515563310272 138987031126620544
• Sum of all divisors σ(n): 334462809726360000
• Sum of proper divisors (its aliquot sum) s(n): 195475778599739456
• 138987031126620544 is an abundant number, because the sum of its proper divisors (195475778599739456) is greater than itself. Its abundance is 56488747473118912

Bases of 138987031126620544

• Binary: 111101101110001111111011111101010101100000011100110000000₂
• Hexadecimal: 0x1EDC7F7EAB03980
• Base-36: 120ISGN5ZLOG

Squares and roots of 138987031126620544

• 138987031126620544 squared (138987031126620544²) is 19317394821392187964362490162855936
• 138987031126620544 cubed (138987031126620544³) is 2684867355326054532708137992899884142981483209949184
• The square root of 138987031126620544 is 372809644.6266117509
• The cube root of 138987031126620544 is 517994.0359060243

Scales and comparisons

• 138,987,031,126,620,544 seconds is equal to 4,419,357,674 years, 37 weeks, 3 hours, 29 minutes, 4 seconds.
• To count from 1 to 138,987,031,126,620,544 would take you about thirteen billion, two hundred fifty-eight million, seventy-three thousand and twenty-four 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 138987031126620544 cubic inches would be around 43166.2 feet tall.

Recreational maths with 138987031126620544

• 138987031126620544 backwards is 445026621130789831
• The number of decimal digits it has is: 18
• The sum of 138987031126620544's digits is 70
• More coming soon!