13011151997

Names of 13011151997

• Cardinal: 13011151997 can be written as Thirteen billion, eleven million, one hundred fifty-one thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 1.3011151997 × 10¹⁰

Factors of 13011151997

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 957918

Divisors of 13011151997

• Number of divisors d(n): 4
• Complete list of divisors:
  1 13781 944137 13011151997
• Sum of all divisors σ(n): 13012109916
• Sum of proper divisors (its aliquot sum) s(n): 957919
• 13011151997 is a deficient number, because the sum of its proper divisors (957919) is less than itself. Its deficiency is 13010194078

Bases of 13011151997

• Binary: 1100000111100001100110110001111101₂
• Hexadecimal: 0x307866C7D
• Base-36: 5Z6I54T

Squares and roots of 13011151997

• 13011151997 squared (13011151997²) is 169290076289037088009
• 13011151997 cubed (13011151997³) is 2202658914180387256855365103973
• The square root of 13011151997 is 114066.4367682273
• The cube root of 13011151997 is 2352.0068565101

Scales and comparisons

• 13,011,151,997 seconds is equal to 413 years, 37 weeks, 1 day, 53 minutes, 17 seconds.
• To count from 1 to 13,011,151,997 would take you about eight hundred twenty-seven 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 13011151997 cubic inches would be around 196 feet tall.

Recreational maths with 13011151997

• 13011151997 backwards is 79915111031
• The number of decimal digits it has is: 11
• The sum of 13011151997's digits is 38
• More coming soon!