13121331136

Names of 13121331136

• Cardinal: 13121331136 can be written as Thirteen billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.3121331136 × 10¹⁰

Factors of 13121331136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 95107

Divisors of 13121331136

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 127 136 254 272 508 544 1016 1088 2032 2159 4064 4318 8128 8636 17272 34544 69088 94961 138176 189922 379844 759688 1519376 1614337 3038752 3228674 6077504 6457348 12060047 12914696 24120094 25829392 48240188 51658784 96480376 103317568 192960752 205020799 385921504 410041598 771843008 820083196 1640166392 3280332784 6560665568 13121331136
• Sum of all divisors σ(n): 27786640896
• Sum of proper divisors (its aliquot sum) s(n): 14665309760
• 13121331136 is an abundant number, because the sum of its proper divisors (14665309760) is greater than itself. Its abundance is 1543978624

Bases of 13121331136

• Binary: 1100001110000101111001111111000000₂
• Hexadecimal: 0x30E179FC0
• Base-36: 6103NWG

Squares and roots of 13121331136

• 13121331136 squared (13121331136²) is 172169330780563050496
• 13121331136 cubed (13121331136³) is 2259090800635285138084305043456
• The square root of 13121331136 is 114548.3790195217
• The cube root of 13121331136 is 2358.6271782137

Scales and comparisons

• 13,121,331,136 seconds is equal to 417 years, 11 weeks, 2 days, 6 hours, 12 minutes, 16 seconds.
• To count from 1 to 13,121,331,136 would take you about eight hundred thirty-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 13121331136 cubic inches would be around 196.6 feet tall.

Recreational maths with 13121331136

• 13121331136 backwards is 63113312131
• The number of decimal digits it has is: 11
• The sum of 13121331136's digits is 25
• More coming soon!