139413121

Names of 139413121

• Cardinal: 139413121 can be written as One hundred thirty-nine million, four hundred thirteen thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.39413121 × 10⁸

Factors of 139413121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 78899

Divisors of 139413121

• Number of divisors d(n): 8
• Complete list of divisors:
  1 29 61 1769 78809 2285461 4807349 139413121
• Sum of all divisors σ(n): 146586600
• Sum of proper divisors (its aliquot sum) s(n): 7173479
• 139413121 is a deficient number, because the sum of its proper divisors (7173479) is less than itself. Its deficiency is 132239642

Bases of 139413121

• Binary: 1000010011110100011010000001₂
• Hexadecimal: 0x84F4681
• Base-36: 2B03UP

Squares and roots of 139413121

• 139413121 squared (139413121²) is 19436018306960641
• 139413121 cubed (139413121³) is 2709635971986518985970561
• The square root of 139413121 is 11807.3333568593
• The cube root of 139413121 is 518.5228306925

Scales and comparisons

• 139,413,121 seconds is equal to 4 years, 22 weeks, 3 days, 13 hours, 52 minutes, 1 second.
• To count from 1 to 139,413,121 would take you about six 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 139413121 cubic inches would be around 43.2 feet tall.

Recreational maths with 139413121

• 139413121 backwards is 121314931
• The number of decimal digits it has is: 9
• The sum of 139413121's digits is 25
• More coming soon!