137902081

Names of 137902081

• Cardinal: 137902081 can be written as One hundred thirty-seven million, nine hundred two thousand and eighty-one.

Scientific notation

• Scientific notation: 1.37902081 × 10⁸

Factors of 137902081

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 137902081

Divisors of 137902081

• Number of divisors d(n): 2
• Complete list of divisors:
  1 137902081
• Sum of all divisors σ(n): 137902082
• Sum of proper divisors (its aliquot sum) s(n): 1
• 137902081 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 137902080

Bases of 137902081

• Binary: 1000001110000011100000000001₂
• Hexadecimal: 0x8383801
• Base-36: 2A3PXD

Squares and roots of 137902081

• 137902081 squared (137902081²) is 19016983944130561
• 137902081 cubed (137902081³) is 2622481660239192097597441
• The square root of 137902081 is 11743.1716754887
• The cube root of 137902081 is 516.6426714257

Scales and comparisons

• 137,902,081 seconds is equal to 4 years, 20 weeks, 2 hours, 8 minutes, 1 second.
• To count from 1 to 137,902,081 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 137902081 cubic inches would be around 43.1 feet tall.

Recreational maths with 137902081

• 137902081 backwards is 180209731
• The number of decimal digits it has is: 9
• The sum of 137902081's digits is 31
• More coming soon!