138967760120

Names of 138967760120

• Cardinal: 138967760120 can be written as One hundred thirty-eight billion, nine hundred sixty-seven million, seven hundred sixty thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.3896776012 × 10¹¹

Factors of 138967760120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 496313443

Divisors of 138967760120

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 496313429 992626858 1985253716 2481567145 3474194003 3970507432 4963134290 6948388006 9926268580 13896776012 17370970015 19852537160 27793552024 34741940030 69483880060 138967760120
• Sum of all divisors σ(n): 357345669600
• Sum of proper divisors (its aliquot sum) s(n): 218377909480
• 138967760120 is an abundant number, because the sum of its proper divisors (218377909480) is greater than itself. Its abundance is 79410149360

Bases of 138967760120

• Binary: 10000001011011000111111011110011111000₂
• Hexadecimal: 0x205B1FBCF8
• Base-36: 1RU9TDYW

Squares and roots of 138967760120

• 138967760120 squared (138967760120²) is 19312038352769862414400
• 138967760120 cubed (138967760120³) is 2683750713235962177569743233728000
• The square root of 138967760120 is 372783.7980921381
• The cube root of 138967760120 is 5179.7009427683

Scales and comparisons

• 138,967,760,120 seconds is equal to 4,418 years, 38 weeks, 5 days, 3 hours, 35 minutes, 20 seconds.
• To count from 1 to 138,967,760,120 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 138967760120 cubic inches would be around 431.6 feet tall.

Recreational maths with 138967760120

• 138967760120 backwards is 021067769831
• The number of decimal digits it has is: 12
• The sum of 138967760120's digits is 50
• More coming soon!