138939815196

Names of 138939815196

• Cardinal: 138939815196 can be written as One hundred thirty-eight billion, nine hundred thirty-nine million, eight hundred fifteen thousand, one hundred ninety-six.

Scientific notation

• Scientific notation: 1.38939815196 × 10¹¹

Factors of 138939815196

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13803

Divisors of 138939815196

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 169 182 234 241 252 273 338 364 468 482 507 546 676 723 819 964 1014 1092 1183 1446 1521 1638 1687 2028 2169 2366 2892 3042 3133 3276 3374 3549 4338 4732 5061 6084 6266 6748 7098 8676 9399 10122 10647 12532 13537 14196 15183 18798 20244 21294 21931 27074 28197 30366 37596 40611 40729 42588 43862 54148 56394 60732 65793 81222 81458 87724 94759 112788 121833 122187 131586 162444 162916 175981 189518 197379 243666 244374 263172 284277 285103 351962 366561 379036 394758 487332 488748 527943 568554 570206 703924 733122 789516 852831 855309 1055886 1137108 1140412 1231867 1466244 1583829 1705662 1710618 2111772 2287753 2463734 2565927 3167658 3262417 3411324 3421236 3695601 4575506 4927468 5131854 6335316 6524834 6863259 7391202 9151012 9787251 10263708 11086803 13049668 13726518 14782404 16014271 19574502 20589777 22173606 22836919 27453036 29361753 32028542 39149004 41179554 42411421 44347212 45673838 48042813 58723506 64057084 68510757 82359108 84822842 91347676 96085626 117447012 127234263 137021514 144128439 169645684 192171252 205532271 254468526 274043028 288256878 296879947 381702789 411064542 508937052 551348473 576513756 593759894 763405578 822129084 890639841 1102696946 1187519788 1526811156 1654045419 1781279682 2205393892 2671919523 3308090838 3562559364 3859439311 4962136257 5343839046 6616181676 7718878622 9924272514 10687678092 11578317933 15437757244 19848545028 23156635866 34734953799 46313271732 69469907598 138939815196
• Sum of all divisors σ(n): 436467935904
• Sum of proper divisors (its aliquot sum) s(n): 297528120708
• 138939815196 is an abundant number, because the sum of its proper divisors (297528120708) is greater than itself. Its abundance is 158588305512

Bases of 138939815196

• Binary: 10000001011001011101010101010100011100₂
• Hexadecimal: 0x205975551C
• Base-36: 1RTT6FJ0

Squares and roots of 138939815196

• 138939815196 squared (138939815196²) is 19304272246698632518416
• 138939815196 cubed (138939815196³) is 2682132018449579723214635106649536
• The square root of 138939815196 is 372746.3147986845
• The cube root of 138939815196 is 5179.3537254173

Scales and comparisons

• 138,939,815,196 seconds is equal to 4,417 years, 44 weeks, 3 days, 17 hours, 6 minutes, 36 seconds.
• To count from 1 to 138,939,815,196 would take you about eight thousand, eight hundred thirty-five 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 138939815196 cubic inches would be around 431.6 feet tall.

Recreational maths with 138939815196

• 138939815196 backwards is 691518939831
• 138939815196 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138939815196's digits is 63
• More coming soon!