139472139978

Names of 139472139978

• Cardinal: 139472139978 can be written as One hundred thirty-nine billion, four hundred seventy-two million, one hundred thirty-nine thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.39472139978 × 10¹¹

Factors of 139472139978

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10625

Divisors of 139472139978

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 10597 21194 31791 63582 95373 190746 243731 286119 487462 572238 731193 1462386 2193579 4387158 6580737 13161474 112296409 224592818 336889227 673778454 1010667681 2021335362 2582817407 3032003043 5165634814 6064006086 7748452221 15496904442 23245356663 46490713326 69736069989 139472139978
• Sum of all divisors σ(n): 323444180160
• Sum of proper divisors (its aliquot sum) s(n): 183972040182
• 139472139978 is an abundant number, because the sum of its proper divisors (183972040182) is greater than itself. Its abundance is 44499900204

Bases of 139472139978

• Binary: 10000001111001001011111111011011001010₂
• Hexadecimal: 0x20792FF6CA
• Base-36: 1S2M3ZYI

Squares and roots of 139472139978

• 139472139978 squared (139472139978²) is 19452477830042825840484
• 139472139978 cubed (139472139978³) is 2713078710830674699358659947269352
• The square root of 139472139978 is 373459.6898970489
• The cube root of 139472139978 is 5185.9599064063

Scales and comparisons

• 139,472,139,978 seconds is equal to 4,434 years, 40 weeks, 4 days, 21 hours, 6 minutes, 18 seconds.
• To count from 1 to 139,472,139,978 would take you about eight thousand, eight hundred sixty-nine 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 139472139978 cubic inches would be around 432.2 feet tall.

Recreational maths with 139472139978

• 139472139978 backwards is 879931274931
• The number of decimal digits it has is: 12
• The sum of 139472139978's digits is 63
• More coming soon!