21409600938

Names of 21409600938

• Cardinal: 21409600938 can be written as Twenty-one billion, four hundred nine million, six hundred thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 2.1409600938 × 10¹⁰

Factors of 21409600938

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8483

Divisors of 21409600938

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 11 19 22 33 38 57 66 114 209 418 627 1254 3347 5101 6694 10041 10202 15303 20082 30606 36817 56111 63593 73634 96919 110451 112222 127186 168333 190779 193838 220902 290757 336666 381558 581514 699523 1066109 1399046 2098569 2132218 3198327 4197138 6396654 17073047 34146094 51219141 102438282 187803517 324387893 375607034 563410551 648775786 973163679 1126821102 1946327358 3568266823 7136533646 10704800469 21409600938
• Sum of all divisors σ(n): 49194708480
• Sum of proper divisors (its aliquot sum) s(n): 27785107542
• 21409600938 is an abundant number, because the sum of its proper divisors (27785107542) is greater than itself. Its abundance is 6375506604

Bases of 21409600938

• Binary: 10011111100000111001001010110101010₂
• Hexadecimal: 0x4FC1C95AA
• Base-36: 9U2Q1T6

Squares and roots of 21409600938

• 21409600938 squared (21409600938²) is 458371012324410479844
• 21409600938 cubed (21409600938³) is 9813540455412708169565132493672
• The square root of 21409600938 is 146320.2000340349
• The cube root of 21409600938 is 2776.7462293477

Scales and comparisons

• 21,409,600,938 seconds is equal to 680 years, 39 weeks, 3 days, 7 hours, 22 minutes, 18 seconds.
• To count from 1 to 21,409,600,938 would take you about one thousand, three hundred sixty-one 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 21409600938 cubic inches would be around 231.4 feet tall.

Recreational maths with 21409600938

• 21409600938 backwards is 83900690412
• The number of decimal digits it has is: 11
• The sum of 21409600938's digits is 42
• More coming soon!