138731227470

Names of 138731227470

• Cardinal: 138731227470 can be written as One hundred thirty-eight billion, seven hundred thirty-one million, two hundred twenty-seven thousand, four hundred seventy.

Scientific notation

• Scientific notation: 1.3873122747 × 10¹¹

Factors of 138731227470

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1040

Divisors of 138731227470

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 29 30 33 45 54 55 58 66 87 90 99 110 121 135 145 165 174 181 198 242 261 270 290 297 319 330 362 363 435 495 522 543 594 605 638 726 783 809 870 905 957 990 1086 1089 1210 1305 1485 1566 1595 1618 1629 1810 1815 1914 1991 2178 2427 2610 2715 2871 2970 3190 3258 3267 3509 3630 3915 3982 4045 4785 4854 4887 5249 5430 5445 5742 5973 6534 7018 7281 7830 8090 8145 8613 8899 9570 9774 9955 10498 10527 10890 11946 12135 14355 14562 15747 16290 16335 17226 17545 17798 17919 19910 21054 21843 21901 23461 24270 24435 26245 26697 28710 29865 31494 31581 32670 35090 35838 36405 43065 43686 43802 44495 46922 47241 48870 52490 52635 53394 53757 57739 59730 63162 65703 70383 72810 78735 80091 86130 88990 89595 94482 94743 97889 105270 107514 109215 109505 115478 117305 131406 133485 140766 141723 146429 157470 157905 160182 173217 179190 189486 195778 197109 211149 218430 219010 234610 236205 240273 258071 266970 268785 283446 288695 292858 293667 315810 328515 346434 351915 394218 400455 422298 439287 472410 473715 480546 489445 516142 519651 537570 577390 587334 591327 633447 635129 657030 703830 708615 732145 774213 800910 866085 878574 881001 947430 978890 985545 1039302 1055745 1182654 1201365 1266894 1270258 1290355 1317861 1417230 1464290 1468335 1548426 1558953 1610719 1732170 1762002 1905387 1971090 2111490 2196435 2322639 2402730 2580710 2598255 2635722 2643003 2838781 2936670 2956635 3117906 3167235 3175645 3221438 3810774 3871065 3953583 4246441 4392870 4405005 4645278 4832157 5196510 5286006 5677562 5716161 5913270 6334470 6351290 6589305 6967917 7742130 7794765 7907166 8053595 8492882 8516343 8810010 9526935 9664314 11432322 11613195 12739323 13178610 13215015 13935834 14193905 14496471 15589530 16107190 17032686 17148483 17717909 19053870 19767915 21232205 23226390 24160785 25478646 25549029 26430030 28387810 28580805 28992942 34296966 34839585 35435818 38217969 39535830 42464410 42581715 43489413 46710851 48321570 51098058 53153727 57161610 63696615 69679170 72482355 76435938 76647087 85163430 85742415 86978826 88589545 93421702 106307454 114653907 127393230 127745145 140132553 144964710 153294174 159461181 171484830 177179090 191089845 217447065 229307814 233554255 255490290 265768635 280265106 318922362 382179690 383235435 420397659 434894130 467108510 478383543 513819361 531537270 573269535 700662765 766470870 797305905 840795318 956767086 1027638722 1146539070 1261192977 1401325530 1541458083 1594611810 2101988295 2391917715 2522385954 2569096805 3082916166 4203976590 4624374249 4783835430 5138193610 6305964885 7707290415 9248748498 12611929770 13873122747 15414580830 23121871245 27746245494 46243742490 69365613735 138731227470
• Sum of all divisors σ(n): 423508176000
• Sum of proper divisors (its aliquot sum) s(n): 284776948530
• 138731227470 is an abundant number, because the sum of its proper divisors (284776948530) is greater than itself. Its abundance is 146045721060

Bases of 138731227470

• Binary: 10000001001101000001101000100101001110₂
• Hexadecimal: 0x204D06894E
• Base-36: 1RQCZO7I

Squares and roots of 138731227470

• 138731227470 squared (138731227470²) is 19246353475332882600900
• 138731227470 cubed (138731227470³) is 2670070241954431170076263126723000
• The square root of 138731227470 is 372466.4111970363
• The cube root of 138731227470 is 5176.7605385717

Scales and comparisons

• 138,731,227,470 seconds is equal to 4,411 years, 11 weeks, 4 days, 12 hours, 4 minutes, 30 seconds.
• To count from 1 to 138,731,227,470 would take you about eight thousand, eight hundred twenty-two 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 138731227470 cubic inches would be around 431.4 feet tall.

Recreational maths with 138731227470

• 138731227470 backwards is 074722137831
• 138731227470 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138731227470's digits is 45
• More coming soon!