7638991453337972

Names of 7638991453337972

• Cardinal: 7638991453337972 can be written as Seven quadrillion, six hundred thirty-eight trillion, nine hundred ninety-one billion, four hundred fifty-three million, three hundred thirty-seven thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 7.638991453337972 × 10¹⁵

Factors of 7638991453337972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3255

Divisors of 7638991453337972

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 7 13 14 26 28 52 53 59 91 106 118 169 182 212 236 338 364 371 413 676 689 742 767 826 1183 1378 1484 1534 1652 2366 2756 2809 3068 3121 3127 4732 4823 5369 5618 6242 6254 8957 9646 9971 10738 11236 12484 12508 17914 19292 19663 19942 21476 21847 21889 35828 36517 39326 39884 40573 40651 43694 43778 62699 69797 73034 78652 81146 81302 87388 87556 125398 139594 146068 162292 162604 165413 165731 184139 250796 255619 279188 284011 284557 330826 331462 368278 474721 511238 527449 528463 568022 569114 661652 662924 736556 949442 1022476 1054898 1056926 1136044 1138228 1157891 1160117 1288973 1898884 2109796 2113852 2150369 2154503 2315782 2320234 2393807 2577946 3323047 3692143 3699241 4300738 4309006 4631564 4640468 4787614 5155892 6646094 7384286 7398482 8601476 8618012 8766889 9575228 9740641 9759367 13292188 14768572 14796964 15052583 15081521 16756649 17533778 19481282 19518734 27954797 28008539 30105166 30163042 31119491 33513298 35067556 38962564 39037468 55909594 56017078 60210332 60326084 61368223 62238982 67026596 68184487 68315569 111819188 112034156 113969557 122736446 124477964 126628333 126871771 136368974 136631138 195683579 196059773 217836437 227939114 245472892 253256666 253743542 272737948 273262276 391367158 392119546 435672874 455878228 506513332 507487084 516253973 517246451 574697819 782734316 784239092 797786899 871345748 886398331 888102397 1032507946 1034492902 1149395638 1481604241 1595573798 1646168329 1649333023 1772796662 1776204794 2065015892 2068985804 2298791276 2963208482 3191147596 3292336658 3298666046 3545593324 3552409588 3613777811 3620725157 4022884733 5926416964 6584673316 6597332092 6711301649 6724203863 7227555622 7241450314 7471071647 8045769466 10371229687 11523178303 11545331161 13422603298 13448407726 14455111244 14482900628 14942143294 16091538932 20742459374 23046356606 23090662322 26845206596 26896815452 27361460569 29884286588 30458984407 41484918748 46092713212 46181324644 46979111543 47069427041 52297501529 54722921138 60917968814 87246921437 87414650219 93958223086 94138854082 97123931411 104595003058 109445842276 121835937628 174493842874 174829300438 187916446172 188277708164 191530223983 194247862822 209190006116 213212890849 348987685748 349658600876 355698987397 383060447966 388495725644 395966797291 426425781698 610728450059 611902551533 679867519877 711397974794 766120895932 791933594582 852851563396 1221456900118 1223805103066 1359735039754 1422795949588 1583867189164 1614326173571 2442913800236 2447610206132 2489892911779 2719470079508 2771767581037 3228652347142 4624086836161 4979785823558 5147568364783 5543535162074 6457304694284 9248173672322 9959571647116 10295136729566 11087070324148 11300283214997 18496347344644 20590273459132 20986240256423 22600566429994 32368607853127 36032978553481 41972480512846 45201132859988 64737215706254 72065957106962 83944961025692 129474431412508 144131914213924 146903681794961 272821123333499 293807363589922 545642246666998 587614727179844 1091284493333996 1909747863334493 3819495726668986 7638991453337972
• Sum of all divisors σ(n): 17152934416218720
• Sum of proper divisors (its aliquot sum) s(n): 9513942962880748
• 7638991453337972 is an abundant number, because the sum of its proper divisors (9513942962880748) is greater than itself. Its abundance is 1874951509542776

Bases of 7638991453337972

• Binary: 11011001000111001111101001100000001001011100101110100₂
• Hexadecimal: 0x1B239F4C04B974
• Base-36: 237SO86EI5W

Squares and roots of 7638991453337972

• 7638991453337972 squared (7638991453337972²) is 58354190424170581647820857072784
• 7638991453337972 cubed (7638991453337972³) is 445767161916695600267779963074808885621754954048
• The square root of 7638991453337972 is 87401324.0937342551
• The cube root of 7638991453337972 is 196945.1731726147

Scales and comparisons

• 7,638,991,453,337,972 seconds is equal to 242,896,299 years, 13 weeks, 5 days, 3 hours, 39 minutes, 32 seconds.
• To count from 1 to 7,638,991,453,337,972 would take you about seven hundred twenty-eight million, six hundred eighty-eight thousand, eight hundred ninety-seven 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 7638991453337972 cubic inches would be around 16412.1 feet tall.

Recreational maths with 7638991453337972

• 7638991453337972 backwards is 2797333541998367
• The number of decimal digits it has is: 16
• The sum of 7638991453337972's digits is 86
• More coming soon!