138231768402

Names of 138231768402

• Cardinal: 138231768402 can be written as One hundred thirty-eight billion, two hundred thirty-one million, seven hundred sixty-eight thousand, four hundred two.

Scientific notation

• Scientific notation: 1.38231768402 × 10¹¹

Factors of 138231768402

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 132

Divisors of 138231768402

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 49 54 63 78 81 91 98 107 117 126 147 162 169 182 189 214 234 243 273 294 321 338 351 378 441 486 507 546 567 637 642 702 729 749 819 882 963 1014 1053 1134 1183 1274 1323 1391 1458 1498 1521 1638 1701 1911 1926 2106 2247 2366 2457 2646 2782 2889 3042 3159 3402 3549 3822 3969 4173 4494 4563 4914 5103 5243 5733 5778 6318 6741 7098 7371 7938 8281 8346 8667 9126 9477 9737 10206 10486 10647 11449 11466 11907 12519 13482 13689 14742 15729 16562 17199 17334 18083 18954 19474 20223 21294 22113 22898 23814 24843 25038 26001 27378 29211 31458 31941 34347 34398 35721 36166 37557 40446 41067 44226 47187 49686 51597 52002 54249 58422 60669 63882 66339 68159 68694 71442 74529 75114 78003 80143 82134 87633 94374 95823 103041 103194 108498 112671 121338 123201 126581 132678 136318 141561 148837 149058 154791 156006 160286 162747 175266 182007 191646 204477 206082 223587 225342 240429 246402 253162 262899 283122 287469 297674 309123 309582 325494 338013 364014 379743 408954 424683 446511 447174 464373 480858 488241 525798 546021 561001 574938 613431 618246 670761 676026 721287 759486 788697 849366 862407 886067 893022 927369 928746 976482 1014039 1041859 1092042 1122002 1139229 1226862 1274049 1339533 1341522 1442574 1464723 1577394 1683003 1724814 1772134 1840293 1854738 1934881 2012283 2028078 2083718 2163861 2278458 2366091 2548098 2658201 2679066 2782107 2929446 3125577 3366006 3417687 3680586 3822147 3869762 4018599 4024566 4327722 4394169 4732182 5049009 5316402 5520879 5564214 5804643 6036849 6251154 6491583 6835374 7098273 7293013 7644294 7974603 8037198 8346321 8788338 9376731 10098018 10253061 11041758 11609286 12055797 12073698 12983166 13182507 13544167 14196546 14586026 15147027 15949206 16562637 16692642 17413929 18753462 19474749 20506122 21879039 23923809 24111594 26365014 27088334 28130193 30294054 30759183 33125274 34827858 36167391 38949498 40632501 43758078 45441081 47847618 49687911 52241787 56260386 58424247 61518366 65637117 71771427 72334782 81265002 84390579 90882162 92277549 94809169 99375822 104483574 108502173 116848494 121897503 131274234 136323243 143542854 156725361 168781158 184555098 189618338 196911351 215314281 217004346 243795006 253171737 272646486 284427507 313450722 365692509 393822702 408969729 430628562 470176083 506343474 568855014 590734053 645942843 731385018 759515211 817939458 853282521 940352166 1097077527 1181468106 1291885686 1410528249 1519030422 1706565042 1772202159 2194155054 2559847563 2821056498 3291232581 3544404318 5119695126 5316606477 6582465162 7679542689 9873697743 10633212954 15359085378 19747395486 23038628067 46077256134 69115884201 138231768402
• Sum of all divisors σ(n): 395286948693
• Sum of proper divisors (its aliquot sum) s(n): 257055180291
• 138231768402 is an abundant number, because the sum of its proper divisors (257055180291) is greater than itself. Its abundance is 118823411889

Bases of 138231768402

• Binary: 10000000101111010000010110010101010010₂
• Hexadecimal: 0x202F416552
• Base-36: 1RI3MJ4I

Squares and roots of 138231768402

• 138231768402 squared (138231768402²) is 19108021795544165633604
• 138231768402 cubed (138231768402³) is 2641335643462029299426675716580808
• The square root of 138231768402 is 371795.3313343243
• The cube root of 138231768402 is 5170.5406241767

Scales and comparisons

• 138,231,768,402 seconds is equal to 4,395 years, 17 weeks, 5 days, 17 hours, 26 minutes, 42 seconds.
• To count from 1 to 138,231,768,402 would take you about eight thousand, seven hundred ninety 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 138231768402 cubic inches would be around 430.9 feet tall.

Recreational maths with 138231768402

• 138231768402 backwards is 204867132831
• The number of decimal digits it has is: 12
• The sum of 138231768402's digits is 45
• More coming soon!