21126917856231

Names of 21126917856231

• Cardinal: 21126917856231 can be written as Twenty-one trillion, one hundred twenty-six billion, nine hundred seventeen million, eight hundred fifty-six thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 2.1126917856231 × 10¹³

Factors of 21126917856231

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5014431

Divisors of 21126917856231

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 33 53 73 99 121 159 219 363 477 583 657 803 1089 1749 2409 3869 5247 6413 7227 8833 11607 19239 26499 34821 42559 57717 79497 127677 383031 468149 1404447 4213341 5014291 15042873 45128619 55157201 165471603 265757423 366043243 496414809 606729211 797272269 1098129729 1820187633 2391816807 2923331653 3294389187 4026475673 5460562899 8769994959 12079427019 19400291879 26309984877 32156648183 36238281057 44291232403 58200875637 96469944549 132873697209 174602626911 213403210669 289409833647 398621091627 640209632007 1920628896021 2347435317359 7042305952077 21126917856231
• Sum of all divisors σ(n): 34644164628528
• Sum of proper divisors (its aliquot sum) s(n): 13517246772297
• 21126917856231 is a deficient number, because the sum of its proper divisors (13517246772297) is less than itself. Its deficiency is 7609671083934

Bases of 21126917856231

• Binary: 100110011011011111110011011110001101111100111₂
• Hexadecimal: 0x1336FE6F1BE7
• Base-36: 7HLKLESBR

Squares and roots of 21126917856231

• 21126917856231 squared (21126917856231²) is 446346658103932272785525361
• 21126917856231 cubed (21126917856231³) is 9429929181164999915749186962665202374391
• The square root of 21126917856231 is 4596402.7082307529
• The cube root of 21126917856231 is 27644.7106028607

Scales and comparisons

• 21,126,917,856,231 seconds is equal to 671,770 years, 33 weeks, 1 day, 5 hours, 23 minutes, 51 seconds.
• To count from 1 to 21,126,917,856,231 would take you about one million, six hundred seventy-nine thousand, four hundred twenty-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 21126917856231 cubic inches would be around 2303.7 feet tall.

Recreational maths with 21126917856231

• 21126917856231 backwards is 13265871962112
• The number of decimal digits it has is: 14
• The sum of 21126917856231's digits is 54
• More coming soon!