138876086

Names of 138876086

• Cardinal: 138876086 can be written as One hundred thirty-eight million, eight hundred seventy-six thousand and eighty-six.

Scientific notation

• Scientific notation: 1.38876086 × 10⁸

Factors of 138876086

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 23526

Divisors of 138876086

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3461 6922 20063 40126 69438043 138876086
• Sum of all divisors σ(n): 208384704
• Sum of proper divisors (its aliquot sum) s(n): 69508618
• 138876086 is a deficient number, because the sum of its proper divisors (69508618) is less than itself. Its deficiency is 69367468

Bases of 138876086

• Binary: 1000010001110001010010110110₂
• Hexadecimal: 0x84714B6
• Base-36: 2AOLH2

Squares and roots of 138876086

• 138876086 squared (138876086²) is 19286567262679396
• 138876086 cubed (138876086³) is 2678442973816648389324056
• The square root of 138876086 is 11784.5698266843
• The cube root of 138876086 is 517.8561712157

Scales and comparisons

• 138,876,086 seconds is equal to 4 years, 21 weeks, 4 days, 8 hours, 41 minutes, 26 seconds.
• To count from 1 to 138,876,086 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 138876086 cubic inches would be around 43.2 feet tall.

Recreational maths with 138876086

• 138876086 backwards is 680678831
• The number of decimal digits it has is: 9
• The sum of 138876086's digits is 47
• More coming soon!