138042691542

Names of 138042691542

• Cardinal: 138042691542 can be written as One hundred thirty-eight billion, forty-two million, six hundred ninety-one thousand, five hundred forty-two.

Scientific notation

• Scientific notation: 1.38042691542 × 10¹¹

Factors of 138042691542

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1817

Divisors of 138042691542

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 19 21 23 34 38 42 46 51 57 63 69 89 102 114 119 126 133 138 153 161 171 178 207 238 266 267 306 322 323 342 357 391 399 414 437 483 534 623 646 714 782 798 801 874 966 969 1071 1173 1197 1246 1311 1449 1513 1602 1657 1691 1869 1938 2047 2142 2261 2346 2394 2622 2737 2898 2907 3026 3059 3314 3382 3519 3738 3933 4094 4522 4539 4971 5073 5474 5607 5814 6118 6141 6783 7038 7429 7866 8211 9078 9177 9942 10146 10591 11214 11599 11837 12282 13566 13617 14329 14858 14913 15219 16422 18354 18423 20349 21182 22287 23198 23674 24633 27234 27531 28169 28658 28747 29826 30438 31483 31773 34797 34799 35511 36846 38111 38893 40698 42987 44574 49266 52003 55062 56338 57494 62966 63546 66861 69594 69598 71022 76222 77786 84507 85974 86241 94449 95319 104006 104391 104397 106533 114333 116679 128961 133722 147473 156009 169014 172482 188898 190638 197183 201229 208782 208794 213066 220381 228666 233358 243593 253521 257922 258723 266777 272251 283347 294946 312018 313191 342999 350037 394366 402458 440762 442419 468027 487186 507042 517446 533554 535211 544502 566694 591549 603687 626382 647887 661143 661181 685998 700074 724109 730779 800331 816753 884838 936054 1032311 1070422 1183098 1207374 1295774 1322286 1322362 1327257 1448218 1461558 1600662 1605633 1633506 1774647 1811061 1943661 1983429 1983543 2064622 2172327 2192337 2400993 2450259 2507041 2654514 2801987 3096933 3211266 3391879 3549294 3622122 3746477 3887322 3966858 3967086 4344654 4384674 4535209 4628267 4801986 4816899 4900518 5014082 5068763 5603974 5830983 5950629 6193866 6516981 6783758 7492954 7521123 8405961 9070418 9256534 9290799 9633798 10137526 10175637 11239431 11661966 11901258 12309853 13033962 13605627 13884801 15042246 15206289 16811922 17549287 18581598 19613909 20351274 22478862 22563369 23743153 24619706 25217883 27211254 27769602 30412578 30526911 33718293 35098574 36929559 39227818 40816881 41654403 45126738 45618867 47486306 47633779 50435766 52647861 57661943 58841727 61053822 64445701 67436586 71229459 73859118 81633762 83308806 86168971 91237734 95267558 105295722 110788677 115323886 117683454 128891402 142458918 142901337 157943583 172337942 172985829 176525181 193337103 213688377 221577354 258506913 285802674 315887166 333436453 345971658 353050362 386674206 403633601 427376754 428704011 451119907 517013826 518957487 580011309 666872906 775520739 807267202 857408022 902239814 1000309359 1037914974 1095576917 1160022618 1210900803 1353359721 1551041478 2000618718 2191153834 2421801606 2706719442 3000928077 3286730751 3632702409 4060079163 6001856154 6573461502 7265404818 7669038419 8120158326 9860192253 15338076838 19720384506 23007115257 46014230514 69021345771 138042691542
• Sum of all divisors σ(n): 402249369600
• Sum of proper divisors (its aliquot sum) s(n): 264206678058
• 138042691542 is an abundant number, because the sum of its proper divisors (264206678058) is greater than itself. Its abundance is 126163986516

Bases of 138042691542

• Binary: 10000000100011111111000100111111010110₂
• Hexadecimal: 0x2023FC4FD6
• Base-36: 1REZ1YHI

Squares and roots of 138042691542

• 138042691542 squared (138042691542²) is 19055784688159758337764
• 138042691542 cubed (138042691542³) is 2630511807798404179837218501992088
• The square root of 138042691542 is 371540.9688607705
• The cube root of 138042691542 is 5168.1820836903

Scales and comparisons

• 138,042,691,542 seconds is equal to 4,389 years, 17 weeks, 1 day, 8 hours, 5 minutes, 42 seconds.
• To count from 1 to 138,042,691,542 would take you about eight 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 138042691542 cubic inches would be around 430.7 feet tall.

Recreational maths with 138042691542

• 138042691542 backwards is 245196240831
• The number of decimal digits it has is: 12
• The sum of 138042691542's digits is 45
• More coming soon!