21423673377938

Names of 21423673377938

• Cardinal: 21423673377938 can be written as Twenty-one trillion, four hundred twenty-three billion, six hundred seventy-three million, three hundred seventy-seven thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 2.1423673377938 × 10¹³

Factors of 21423673377938

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 119194170

Divisors of 21423673377938

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 13 26 31 62 223 403 446 806 2899 5798 6913 13826 89869 179738 119193901 238387802 1549520713 3099041426 3695010931 7390021862 26580239923 48035142103 53160479846 96070284206 345543118999 691086237998 823987437613 1647974875226 10711836688969 21423673377938
• Sum of all divisors σ(n): 35884039360512
• Sum of proper divisors (its aliquot sum) s(n): 14460365982574
• 21423673377938 is a deficient number, because the sum of its proper divisors (14460365982574) is less than itself. Its deficiency is 6963307395364

Bases of 21423673377938

• Binary: 100110111110000010110011100010000010010010010₂
• Hexadecimal: 0x137C16710492
• Base-36: 7LDWDZIC2

Squares and roots of 21423673377938

• 21423673377938 squared (21423673377938²) is 458973781004569395385131844
• 21423673377938 cubed (21423673377938³) is 9832904373279139077843721840808970857672
• The square root of 21423673377938 is 4628571.4186925969
• The cube root of 21423673377938 is 27773.5447727605

Scales and comparisons

• 21,423,673,377,938 seconds is equal to 681,206 years, 28 weeks, 2 days, 14 hours, 45 minutes, 38 seconds.
• To count from 1 to 21,423,673,377,938 would take you about one million, seven hundred three thousand and sixteen 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 21423673377938 cubic inches would be around 2314.5 feet tall.

Recreational maths with 21423673377938

• 21423673377938 backwards is 83977337632412
• The number of decimal digits it has is: 14
• The sum of 21423673377938's digits is 65
• More coming soon!