13165397191

Names of 13165397191

• Cardinal: 13165397191 can be written as Thirteen billion, one hundred sixty-five million, three hundred ninety-seven thousand, one hundred ninety-one.

Scientific notation

• Scientific notation: 1.3165397191 × 10¹⁰

Factors of 13165397191

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 364808

Divisors of 13165397191

• Number of divisors d(n): 4
• Complete list of divisors:
  1 40609 324199 13165397191
• Sum of all divisors σ(n): 13165762000
• Sum of proper divisors (its aliquot sum) s(n): 364809
• 13165397191 is a deficient number, because the sum of its proper divisors (364809) is less than itself. Its deficiency is 13165032382

Bases of 13165397191

• Binary: 1100010000101110000000010011000111₂
• Hexadecimal: 0x310B804C7
• Base-36: 61QC5HJ

Squares and roots of 13165397191

• 13165397191 squared (13165397191²) is 173327683196790690481
• 13165397191 cubed (13165397191³) is 2281927793481566056673507838871
• The square root of 13165397191 is 114740.5647144899
• The cube root of 13165397191 is 2361.2645951017

Scales and comparisons

• 13,165,397,191 seconds is equal to 418 years, 32 weeks, 1 day, 6 hours, 46 minutes, 31 seconds.
• To count from 1 to 13,165,397,191 would take you about eight hundred thirty-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 13165397191 cubic inches would be around 196.8 feet tall.

Recreational maths with 13165397191

• 13165397191 backwards is 19179356131
• The number of decimal digits it has is: 11
• The sum of 13165397191's digits is 46
• More coming soon!