138047086

Names of 138047086

• Cardinal: 138047086 can be written as One hundred thirty-eight million, forty-seven thousand and eighty-six.

Scientific notation

• Scientific notation: 1.38047086 × 10⁸

Factors of 138047086

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1302386

Divisors of 138047086

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 53 106 1302331 2604662 69023543 138047086
• Sum of all divisors σ(n): 210977784
• Sum of proper divisors (its aliquot sum) s(n): 72930698
• 138047086 is a deficient number, because the sum of its proper divisors (72930698) is less than itself. Its deficiency is 65116388

Bases of 138047086

• Binary: 1000001110100110111001101110₂
• Hexadecimal: 0x83A6E6E
• Base-36: 2A6TTA

Squares and roots of 138047086

• 138047086 squared (138047086²) is 19056997953091396
• 138047086 cubed (138047086³) is 2630763035332231909472056
• The square root of 138047086 is 11749.3440667979
• The cube root of 138047086 is 516.8236924499

Scales and comparisons

• 138,047,086 seconds is equal to 4 years, 20 weeks, 1 day, 18 hours, 24 minutes, 46 seconds.
• To count from 1 to 138,047,086 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 138047086 cubic inches would be around 43.1 feet tall.

Recreational maths with 138047086

• 138047086 backwards is 680740831
• The number of decimal digits it has is: 9
• The sum of 138047086's digits is 37
• More coming soon!