138587678152

Names of 138587678152

• Cardinal: 138587678152 can be written as One hundred thirty-eight billion, five hundred eighty-seven million, six hundred seventy-eight thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 1.38587678152 × 10¹¹

Factors of 138587678152

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 84

Divisors of 138587678152

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 11 14 22 23 28 41 44 46 56 77 82 88 92 121 154 161 164 184 242 253 287 308 322 328 451 484 506 529 574 616 644 847 902 943 968 1012 1058 1148 1288 1681 1694 1771 1804 1886 2024 2116 2296 2783 3157 3362 3388 3542 3608 3703 3772 4232 4961 5566 5819 6314 6601 6724 6776 7084 7406 7544 9922 10373 11132 11638 11767 12167 12628 13202 13448 14168 14812 18491 19481 19844 20746 21689 22264 23276 23534 24334 25256 26404 29624 34727 36982 38663 38962 39688 40733 41492 43378 46552 47068 48668 52808 64009 69454 72611 73964 77326 77924 81466 82984 85169 86756 94136 97336 114103 128018 129437 133837 138908 145222 147928 151823 154652 155848 162932 170338 173512 203401 228206 238579 256036 258874 267674 270641 277816 290444 303646 309304 325864 340676 406802 425293 448063 456412 477158 498847 512072 517748 535348 541282 580888 607292 681352 798721 813604 850586 889249 896126 912824 936859 954316 997694 1035496 1070696 1082564 1214584 1423807 1472207 1597442 1627208 1670053 1701172 1778498 1792252 1873718 1908632 1995388 2165128 2624369 2847614 2944414 2977051 3194884 3340106 3402344 3491929 3556996 3584504 3747436 3990776 4678223 5248738 5487317 5695228 5888828 5954102 6224743 6389768 6680212 6983858 7113992 7494872 9356446 9781739 10305449 10497476 10974634 11390456 11777656 11908204 12449486 13360424 13967716 18370583 18712892 19563478 20452727 20610898 20994952 21949268 23816408 24898972 27935432 32747561 36741166 37425784 38411219 39126956 40905454 41221796 43898536 49797944 60360487 65495122 68472173 73482332 76822438 78253912 81810908 82443592 107599129 120720974 130990244 136944346 143169089 146964664 153644876 163621816 215198258 224979997 241441948 261980488 273888692 286338178 307289752 422523409 430396516 449959994 482883896 547777384 572676356 753193903 845046818 860793032 899919988 1145352712 1506387806 1574859979 1690093636 1799839976 2474779967 3012775612 3149719958 3380187272 4949559934 6025551224 6299439916 9899119868 12598879832 17323459769 19798239736 34646919538 69293839076 138587678152
• Sum of all divisors σ(n): 349788297600
• Sum of proper divisors (its aliquot sum) s(n): 211200619448
• 138587678152 is an abundant number, because the sum of its proper divisors (211200619448) is greater than itself. Its abundance is 72612941296

Bases of 138587678152

• Binary: 10000001000100011110000010010111001000₂
• Hexadecimal: 0x20447825C8
• Base-36: 1RNZIWUG

Squares and roots of 138587678152

• 138587678152 squared (138587678152²) is 19206544535562338135104
• 138587678152 cubed (138587678152³) is 2661790412506567635800389045047808
• The square root of 138587678152 is 372273.6602984423
• The cube root of 138587678152 is 5174.9744064577

Scales and comparisons

• 138,587,678,152 seconds is equal to 4,406 years, 34 weeks, 2 days, 1 hour, 15 minutes, 52 seconds.
• To count from 1 to 138,587,678,152 would take you about eight thousand, eight hundred thirteen 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 138587678152 cubic inches would be around 431.2 feet tall.

Recreational maths with 138587678152

• 138587678152 backwards is 251876785831
• The number of decimal digits it has is: 12
• The sum of 138587678152's digits is 61
• More coming soon!