21029473668343

Names of 21029473668343

• Cardinal: 21029473668343 can be written as Twenty-one trillion, twenty-nine billion, four hundred seventy-three million, six hundred sixty-eight thousand, three hundred forty-three.

Scientific notation

• Scientific notation: 2.1029473668343 × 10¹³

Factors of 21029473668343

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 423

Divisors of 21029473668343

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 19 49 133 361 397 931 2527 2779 6859 7543 17689 19453 48013 52801 143317 157609 336091 369607 1003219 1103263 2723023 2994571 7022533 7722841 19061161 20961997 56896849 62570773 133428127 146733979 398277943 437995411 1081040131 1188844687 2787945601 3065967877 7567280917 8321912809 22588049053 52970966419 58253389663 158116343371 429172932007 1106814403597 3004210524049 21029473668343
• Sum of all divisors σ(n): 25886912930400
• Sum of proper divisors (its aliquot sum) s(n): 4857439262057
• 21029473668343 is a deficient number, because the sum of its proper divisors (4857439262057) is less than itself. Its deficiency is 16172034406286

Bases of 21029473668343

• Binary: 100110010000001001110010011101100110011110111₂
• Hexadecimal: 0x13204E4ECCF7
• Base-36: 7GCT1NNQV

Squares and roots of 21029473668343

• 21029473668343 squared (21029473668343²) is 442238762767531593160365649
• 21029473668343 cubed (21029473668343³) is 9300048416740392339353261653351235949607
• The square root of 21029473668343 is 4585790.4082440357
• The cube root of 21029473668343 is 27602.1429707031

Scales and comparisons

• 21,029,473,668,343 seconds is equal to 668,672 years, 11 weeks, 23 hours, 25 minutes, 43 seconds.
• To count from 1 to 21,029,473,668,343 would take you about one million, six hundred seventy-one thousand, six hundred eighty 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 21029473668343 cubic inches would be around 2300.2 feet tall.

Recreational maths with 21029473668343

• 21029473668343 backwards is 34386637492012
• The number of decimal digits it has is: 14
• The sum of 21029473668343's digits is 58
• More coming soon!