138990852

Names of 138990852

• Cardinal: 138990852 can be written as One hundred thirty-eight million, nine hundred ninety thousand, eight hundred fifty-two.

Scientific notation

• Scientific notation: 1.38990852 × 10⁸

Factors of 138990852

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 84

Divisors of 138990852

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 13 14 18 19 21 22 26 28 29 33 36 38 39 42 44 49 52 57 58 63 66 76 77 78 84 87 91 98 99 114 116 117 126 132 133 143 147 154 156 171 174 182 196 198 203 209 228 231 234 247 252 261 266 273 286 294 308 319 342 348 364 377 396 399 406 418 429 441 462 468 494 522 532 539 546 551 572 588 609 627 637 638 684 693 741 754 798 812 819 836 858 882 924 931 957 988 1001 1044 1078 1092 1102 1131 1197 1218 1254 1274 1276 1287 1386 1421 1463 1482 1508 1596 1617 1638 1653 1716 1729 1764 1827 1862 1881 1911 1914 2002 2156 2204 2223 2233 2262 2394 2436 2508 2548 2574 2639 2717 2772 2793 2842 2871 2926 2964 3003 3234 3276 3306 3393 3458 3654 3724 3762 3822 3828 3857 4004 4147 4263 4389 4446 4466 4524 4788 4851 4959 5148 5187 5278 5434 5586 5684 5733 5742 5852 6006 6061 6468 6612 6699 6786 6916 7007 7163 7308 7524 7644 7714 7917 8151 8294 8379 8526 8778 8892 8932 9009 9702 9918 10241 10374 10556 10868 11172 11466 11484 11571 12012 12103 12122 12441 12789 13167 13398 13572 14014 14326 15428 15561 15631 15834 16302 16588 16758 17052 17556 18018 18183 18473 19019 19404 19836 20097 20482 20748 21021 21489 22932 23142 23751 24206 24244 24453 24882 25578 26334 26796 26999 28028 28652 29029 30723 31122 31262 31668 32604 33516 34713 36036 36309 36366 36946 37323 38038 40194 40964 42042 42427 42978 46284 46893 47502 48412 48906 49764 50141 51156 52668 53998 54549 55419 57057 58058 61446 62244 62524 63063 64467 69426 72618 72732 73892 74646 76076 78793 80388 80997 84084 84854 85956 87087 92169 93786 95004 97812 100282 107996 108927 109098 110838 114114 116116 122892 126126 127281 128934 133133 138852 140679 145236 149292 150423 157586 161994 166257 169708 171171 174174 184338 187572 200564 203203 217854 218196 221676 228228 236379 242991 252252 254562 257868 261261 266266 281358 296989 300846 315172 323988 332514 342342 348348 350987 368676 381843 399399 406406 435708 451269 472758 485982 509124 522522 532532 551551 562716 593978 601692 609609 665028 684684 701974 709137 763686 798798 812812 890967 902538 945516 971964 1045044 1052961 1103102 1187956 1198197 1219218 1403948 1418274 1527372 1597596 1654653 1781934 1805076 1828827 2105922 2206204 2396394 2438436 2672901 2836548 3158883 3309306 3563868 3657654 3860857 4211844 4792788 4963959 5345802 6317766 6618612 7315308 7721714 9927918 10691604 11582571 12635532 15443428 19855836 23165142 34747713 46330284 69495426 138990852
• Sum of all divisors σ(n): 522849600
• Sum of proper divisors (its aliquot sum) s(n): 383858748
• 138990852 is an abundant number, because the sum of its proper divisors (383858748) is greater than itself. Its abundance is 244867896

Bases of 138990852

• Binary: 1000010010001101010100000100₂
• Hexadecimal: 0x848D504
• Base-36: 2AR210

Squares and roots of 138990852

• 138990852 squared (138990852²) is 19318456939685904
• 138990852 cubed (138990852³) is 2685088789372256409350208
• The square root of 138990852 is 11789.4381545517
• The cube root of 138990852 is 517.9987825635

Scales and comparisons

• 138,990,852 seconds is equal to 4 years, 21 weeks, 5 days, 16 hours, 34 minutes, 12 seconds.
• To count from 1 to 138,990,852 would take you about six 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 138990852 cubic inches would be around 43.2 feet tall.

Recreational maths with 138990852

• 138990852 backwards is 258099831
• The number of decimal digits it has is: 9
• The sum of 138990852's digits is 45
• More coming soon!