139921647988

Names of 139921647988

• Cardinal: 139921647988 can be written as One hundred thirty-nine billion, nine hundred twenty-one million, six hundred forty-seven thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.39921647988 × 10¹¹

Factors of 139921647988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 9222

Divisors of 139921647988

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 31 61 62 122 124 244 1891 3037 3782 6074 6091 7564 12148 12182 24364 94147 185257 188294 188821 370514 371551 376588 377642 741028 743102 755284 1486204 5742967 11485934 11518081 18498367 22971868 23036162 36996734 46072324 73993468 573449377 1128400387 1146898754 2256800774 2293797508 4513601548 34980411997 69960823994 139921647988
• Sum of all divisors σ(n): 257032104448
• Sum of proper divisors (its aliquot sum) s(n): 117110456460
• 139921647988 is a deficient number, because the sum of its proper divisors (117110456460) is less than itself. Its deficiency is 22811191528

Bases of 139921647988

• Binary: 10000010010011111110101110100101110100₂
• Hexadecimal: 0x2093FAE974
• Base-36: 1SA1QIK4

Squares and roots of 139921647988

• 139921647988 squared (139921647988²) is 19578067575677784448144
• 139921647988 cubed (139921647988³) is 2739395479609263506064945607934272
• The square root of 139921647988 is 374061.0217437791
• The cube root of 139921647988 is 5191.5252488007

Scales and comparisons

• 139,921,647,988 seconds is equal to 4,449 years, 3 weeks, 6 days, 12 hours, 26 minutes, 28 seconds.
• To count from 1 to 139,921,647,988 would take you about eight thousand, eight hundred ninety-eight 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 139921647988 cubic inches would be around 432.6 feet tall.

Recreational maths with 139921647988

• 139921647988 backwards is 889746129931
• The number of decimal digits it has is: 12
• The sum of 139921647988's digits is 67
• More coming soon!