138831864020172

Names of 138831864020172

• Cardinal: 138831864020172 can be written as One hundred thirty-eight trillion, eight hundred thirty-one billion, eight hundred sixty-four million, twenty thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.38831864020172 × 10¹⁴

Factors of 138831864020172

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 460990

Divisors of 138831864020172

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 9 12 18 19 27 29 36 38 54 57 58 61 76 83 87 108 114 116 122 166 171 174 183 228 244 249 261 332 342 348 366 498 513 522 549 551 684 732 747 783 996 1026 1044 1098 1102 1159 1494 1566 1577 1647 1653 1769 2052 2196 2204 2241 2318 2407 2988 3132 3154 3294 3306 3477 3538 4482 4636 4731 4814 4959 5063 5307 6308 6588 6612 6954 7076 7221 8964 9462 9628 9918 10126 10431 10614 13908 14193 14442 14877 15189 15921 18924 19836 20252 20862 21228 21663 28386 28884 29754 30378 31293 31842 33611 41724 42579 43326 45567 45733 47763 56772 59508 60756 62586 63684 64989 67222 85158 86652 91134 91466 95526 96197 100833 125172 129978 134444 136701 137199 146827 170316 182268 182932 191052 192394 201666 259956 273402 274398 288591 293654 302499 384788 403332 411597 440481 460793 546804 548796 577182 587308 604998 823194 865773 880962 907497 921586 1154364 1209996 1234791 1321443 1382379 1646388 1731546 1761924 1814994 1843172 2469582 2597319 2642886 2764758 2789713 3463092 3629988 3964329 4147137 4939164 5194638 5285772 5529516 5579426 7928658 8294274 8369139 8755067 10389276 11158852 12441411 13362997 15857316 16588548 16738278 17510134 24882822 25107417 26265201 26725994 28108373 33476556 35020268 38245819 40088991 49765644 50214834 52530402 53451988 56216746 75322251 76491638 78795603 80177982 84325119 100429668 105060804 112433492 114737457 120266973 150644502 152983276 157591206 160355964 168650238 229474914 236386809 240533946 252975357 253896943 301289004 315182412 337300476 344212371 360800919 458949828 472773618 481067892 505950714 507793886 534059087 688424742 721601838 726670561 758926071 761690829 815142817 945547236 1011901428 1015587772 1032637113 1068118174 1109128751 1376849484 1443203676 1453341122 1517852142 1523381658 1602177261 1630285634 2065274226 2136236348 2180011683 2218257502 2285072487 2332994959 2445428451 2906682244 3035704284 3046763316 3204354522 3260571268 3327386253 4130548452 4360023366 4436515004 4570144974 4665989918 4806531783 4890856902 6408709044 6540035049 6654772506 6855217461 6998984877 7336285353 8720046732 9140289948 9331979836 9613063566 9781713804 9982158759 13080070098 13309545012 13710434922 13997969754 14419595349 14672570706 15487713523 19226127132 19620105147 19964317518 20996954631 21073446269 22008856059 26160140196 27420869844 27995939508 28839190698 29345141412 29946476277 30975427046 39240210294 39928635036 41993909262 42146892538 44017712118 44326904221 46463140569 57678381396 59892952554 61950854092 62990863893 63220338807 67656853811 78480420588 83987818524 84293785076 88035424236 88653808442 92926281138 119785905108 125981727786 126440677614 132980712663 135313707622 139389421707 177307616884 185852562276 189661016421 202970561433 251963455572 252881355228 265961425326 270627415244 278778843414 379322032842 398942137989 405941122866 418168265121 531922850652 557557686828 568983049263 608911684299 758644065684 797884275978 811882245732 836336530242 1137966098526 1196826413967 1217823368598 1285480222409 1595768551956 1672673060484 1826735052897 2275932197052 2393652827934 2435646737196 2570960444818 3653470105794 3856440667227 4787305655868 5141920889636 7306940211588 7712881334454 11569322001681 15425762668908 23138644003362 34707966005043 46277288006724 69415932010086 138831864020172
• Sum of all divisors σ(n): 403168945536000
• Sum of proper divisors (its aliquot sum) s(n): 264337081515828
• 138831864020172 is an abundant number, because the sum of its proper divisors (264337081515828) is greater than itself. Its abundance is 125505217495656

Bases of 138831864020172

• Binary: 11111100100010001001111111100000011110011001100₂
• Hexadecimal: 0x7E444FF03CCC
• Base-36: 1D7MH7AZF0

Squares and roots of 138831864020172

• 138831864020172 squared (138831864020172²) is 19274286467315528721622909584
• 138831864020172 cubed (138831864020172³) is 2675885117916190835187134488022761908128448
• The square root of 138831864020172 is 11782693.4111081749
• The cube root of 138831864020172 is 51780.1198813097

Scales and comparisons

• 138,831,864,020,172 seconds is equal to 4,414,423 years, 43 weeks, 5 days, 16 minutes, 12 seconds.
• To count from 1 to 138,831,864,020,172 would take you about eleven million, thirty-six thousand and fifty-nine 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 138831864020172 cubic inches would be around 4315 feet tall.

Recreational maths with 138831864020172

• 138831864020172 backwards is 271020468138831
• 138831864020172 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138831864020172's digits is 54
• More coming soon!