138972277639139

Names of 138972277639139

• Cardinal: 138972277639139 can be written as One hundred thirty-eight trillion, nine hundred seventy-two billion, two hundred seventy-seven million, six hundred thirty-nine thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 1.38972277639139 × 10¹⁴

Factors of 138972277639139

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 324

Divisors of 138972277639139

• Number of divisors d(n): 60
• Complete list of divisors:
  1 7 49 83 97 137 581 679 959 4067 4753 6713 8051 11371 13289 18769 56357 79597 93023 131383 394499 557179 651161 919681 1102987 1557827 1820593 2571353 7720909 10904789 12744151 17999471 54046363 76333523 89209057 125996297 151109219 213422299 249421241 352275361 1057764533 1493956093 1745948687 2465927527 7404351731 10457692651 12221640809 17261492689 20701963003 29238854963 34170710017 144913741021 204671984741 239194970119 1014396187147 1432703893187 1674364790833 2836168931411 19853182519877 138972277639139
• Sum of all divisors σ(n): 166511466148104
• Sum of proper divisors (its aliquot sum) s(n): 27539188508965
• 138972277639139 is a deficient number, because the sum of its proper divisors (27539188508965) is less than itself. Its deficiency is 111433089130174

Bases of 138972277639139

• Binary: 11111100110010100000001001111100000011111100011₂
• Hexadecimal: 0x7E65013E07E3
• Base-36: 1D9EZDY57N

Squares and roots of 138972277639139

• 138972277639139 squared (138972277639139²) is 19313293952209933707504661321
• 138972277639139 cubed (138972277639139³) is 2684012449252823052672479591774019649042619
• The square root of 138972277639139 is 11788650.3739460777
• The cube root of 138972277639139 is 51797.5706884279

Scales and comparisons

• 138,972,277,639,139 seconds is equal to 4,418,888 years, 29 weeks, 15 hours, 18 minutes, 59 seconds.
• To count from 1 to 138,972,277,639,139 would take you about eleven million, forty-seven thousand, two hundred twenty-one 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 138972277639139 cubic inches would be around 4316.5 feet tall.

Recreational maths with 138972277639139

• 138972277639139 backwards is 931936772279831
• The number of decimal digits it has is: 15
• The sum of 138972277639139's digits is 77
• More coming soon!