13905425021

Names of 13905425021

• Cardinal: 13905425021 can be written as Thirteen billion, nine hundred five million, four hundred twenty-five thousand and twenty-one.

Scientific notation

• Scientific notation: 1.3905425021 × 10¹⁰

Factors of 13905425021

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 22684830

Divisors of 13905425021

• Number of divisors d(n): 4
• Complete list of divisors:
  1 613 22684217 13905425021
• Sum of all divisors σ(n): 13928109852
• Sum of proper divisors (its aliquot sum) s(n): 22684831
• 13905425021 is a deficient number, because the sum of its proper divisors (22684831) is less than itself. Its deficiency is 13882740190

Bases of 13905425021

• Binary: 1100111100110100111111001001111101₂
• Hexadecimal: 0x33CD3F27D
• Base-36: 6DYXIM5

Squares and roots of 13905425021

• 13905425021 squared (13905425021²) is 193360845014652850441
• 13905425021 cubed (13905425021³) is 2688764732348456858151252284261
• The square root of 13905425021 is 117921.2661948641
• The cube root of 13905425021 is 2404.7028746741

Scales and comparisons

• 13,905,425,021 seconds is equal to 442 years, 7 weeks, 5 days, 10 hours, 3 minutes, 41 seconds.
• To count from 1 to 13,905,425,021 would take you about eight hundred eighty-four 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 13905425021 cubic inches would be around 200.4 feet tall.

Recreational maths with 13905425021

• 13905425021 backwards is 12052450931
• The number of decimal digits it has is: 11
• The sum of 13905425021's digits is 32
• More coming soon!