138972815586

Names of 138972815586

• Cardinal: 138972815586 can be written as One hundred thirty-eight billion, nine hundred seventy-two million, eight hundred fifteen thousand, five hundred eighty-six.

Scientific notation

• Scientific notation: 1.38972815586 × 10¹¹

Factors of 138972815586

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 780

Divisors of 138972815586

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 99 121 193 198 242 297 363 386 571 579 594 726 1089 1142 1158 1713 1737 2123 2178 3267 3426 3474 4246 5139 5211 6281 6369 6534 10278 10422 12562 12738 15417 18843 19107 23353 30834 37249 37686 38214 46706 56529 57321 69091 70059 74498 110203 111747 113058 114642 138182 140118 169587 207273 210177 220406 223494 330609 335241 339174 409739 414546 420354 621819 630531 661218 670482 819478 991827 1005723 1212233 1229217 1243638 1261062 1865457 1983654 2011446 2424466 2458434 2975481 3636699 3687651 3730914 4507129 5950962 7273398 7375302 9014258 10910097 11062953 13334563 13521387 21269179 21820194 22125906 26669126 27042774 32730291 40003689 40564161 42538358 63807537 65460582 80007378 81128322 120011067 121692483 127615074 191422611 233960969 240022134 243384966 360033201 382845222 467921938 574267833 701882907 720066402 1148535666 1403765814 2105648721 2573570659 4211297442 5147141318 6316946163 7720711977 12633892326 15441423954 23162135931 46324271862 69486407793 138972815586
• Sum of all divisors σ(n): 341821640160
• Sum of proper divisors (its aliquot sum) s(n): 202848824574
• 138972815586 is an abundant number, because the sum of its proper divisors (202848824574) is greater than itself. Its abundance is 63876008988

Bases of 138972815586

• Binary: 10000001011011011011001110000011100010₂
• Hexadecimal: 0x205B6CE0E2
• Base-36: 1RUCTQSI

Squares and roots of 138972815586

• 138972815586 squared (138972815586²) is 19313443471900364523396
• 138972815586 cubed (138972815586³) is 2684043617951044931876089090450056
• The square root of 138972815586 is 372790.5787248385
• The cube root of 138972815586 is 5179.7637522631

Scales and comparisons

• 138,972,815,586 seconds is equal to 4,418 years, 47 weeks, 15 hours, 53 minutes, 6 seconds.
• To count from 1 to 138,972,815,586 would take you about eight thousand, eight hundred thirty-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 138972815586 cubic inches would be around 431.6 feet tall.

Recreational maths with 138972815586

• 138972815586 backwards is 685518279831
• The number of decimal digits it has is: 12
• The sum of 138972815586's digits is 63
• More coming soon!