20131087

Names of 20131087

• Cardinal: 20131087 can be written as Twenty million, one hundred thirty-one thousand and eighty-seven.

Scientific notation

• Scientific notation: 2.0131087 × 10⁷

Factors of 20131087

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4157

Divisors of 20131087

• Number of divisors d(n): 8
• Complete list of divisors:
  1 47 107 4003 5029 188141 428321 20131087
• Sum of all divisors σ(n): 20756736
• Sum of proper divisors (its aliquot sum) s(n): 625649
• 20131087 is a deficient number, because the sum of its proper divisors (625649) is less than itself. Its deficiency is 19505438

Bases of 20131087

• Binary: 1001100110010110100001111₂
• Hexadecimal: 0x1332D0F
• Base-36: BZH8V

Squares and roots of 20131087

• 20131087 squared (20131087²) is 405260663801569
• 20131087 cubed (20131087³) is 8158337680667136275503
• The square root of 20131087 is 4486.7679904359
• The cube root of 20131087 is 272.0335121267

Scales and comparisons

• 20,131,087 seconds is equal to 33 weeks, 1 day, 23 hours, 58 minutes, 7 seconds.
• To count from 1 to 20,131,087 would take you about forty-nine weeks!

  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 20131087 cubic inches would be around 22.7 feet tall.

Recreational maths with 20131087

• 20131087 backwards is 78013102
• The number of decimal digits it has is: 8
• The sum of 20131087's digits is 22
• More coming soon!