13109756816691221

Names of 13109756816691221

• Cardinal: 13109756816691221 can be written as Thirteen quadrillion, one hundred nine trillion, seven hundred fifty-six billion, eight hundred sixteen million, six hundred ninety-one thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.3109756816691221 × 10¹⁶

Factors of 13109756816691221

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 447189

Divisors of 13109756816691221

• Number of divisors d(n): 32
• Complete list of divisors:
  1 43 89 1669 3827 4657 71767 148541 200251 414473 440731 6387263 7772533 17822339 18951433 39225059 334218919 691755437 735580039 1686677537 2052484267 29745483791 31629941677 65466623471 88256823481 182671099763 2815064809253 3425596241623 7854857289809 147300638389789 304878065504447 13109756816691221
• Sum of all divisors σ(n): 13576434401059200
• Sum of proper divisors (its aliquot sum) s(n): 466677584367979
• 13109756816691221 is a deficient number, because the sum of its proper divisors (466677584367979) is less than itself. Its deficiency is 12643079232323242

Bases of 13109756816691221

• Binary: 101110100100110100000100011110001001101001000000010101₂
• Hexadecimal: 0x2E93411E269015
• Base-36: 3L30R50RMS5

Squares and roots of 13109756816691221

• 13109756816691221 squared (13109756816691221²) is 171865723792781936288702458470841
• 13109756816691221 cubed (13109756816691221³) is 2253117844047993558328265321517477939048929186861
• The square root of 13109756816691221 is 114497846.3408426779
• The cube root of 13109756816691221 is 235793.3459598823

Scales and comparisons

• 13,109,756,816,691,221 seconds is equal to 416,849,715 years, 32 weeks, 5 days, 11 hours, 33 minutes, 41 seconds.
• To count from 1 to 13,109,756,816,691,221 would take you about one billion, two hundred fifty million, five hundred forty-nine thousand, one hundred forty-six 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 13109756816691221 cubic inches would be around 19649.4 feet tall.

Recreational maths with 13109756816691221

• 13109756816691221 backwards is 12219661865790131
• The number of decimal digits it has is: 17
• The sum of 13109756816691221's digits is 68
• More coming soon!