21097538072572

Names of 21097538072572

• Cardinal: 21097538072572 can be written as Twenty-one trillion, ninety-seven billion, five hundred thirty-eight million, seventy-two thousand, five hundred seventy-two.

Scientific notation

• Scientific notation: 2.1097538072572 × 10¹³

Factors of 21097538072572

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 118

Divisors of 21097538072572

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 13 26 52 103 169 206 338 412 676 1339 2197 2678 4394 5356 8788 10609 17407 21218 28561 34814 42436 57122 69628 114244 137917 226291 275834 371293 452582 551668 742586 905164 1092727 1485172 1792921 2185454 2941783 3585842 4370908 4826809 5883566 7171684 9653618 11767132 14205451 19307236 23307973 28410902 38243179 46615946 56821804 76486358 93231892 152972716 184670863 303003649 369341726 497161327 606007298 738683452 994322654 1212014596 1988645308 2400721219 3939047437 4801442438 7878094874 9602884876 15756189748 31209375847 51207616681 62418751694 102415233362 124837503388 204830466724 405721886011 811443772022 1622887544044 5274384518143 10548769036286 21097538072572
• Sum of all divisors σ(n): 40389546455440
• Sum of proper divisors (its aliquot sum) s(n): 19292008382868
• 21097538072572 is a deficient number, because the sum of its proper divisors (19292008382868) is less than itself. Its deficiency is 1805529689704

Bases of 21097538072572

• Binary: 100110011000000100111010000110010111111111100₂
• Hexadecimal: 0x133027432FFC
• Base-36: 7H82PG264

Squares and roots of 21097538072572

• 21097538072572 squared (21097538072572²) is 445106112723625060738695184
• 21097538072572 cubed (21097538072572³) is 9390643159521204029265847622785578893248
• The square root of 21097538072572 is 4593205.6423125669
• The cube root of 21097538072572 is 27631.8901116105

Scales and comparisons

• 21,097,538,072,572 seconds is equal to 670,836 years, 23 weeks, 3 days, 10 hours, 22 minutes, 52 seconds.
• To count from 1 to 21,097,538,072,572 would take you about one million, six hundred seventy-seven thousand and ninety-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 21097538072572 cubic inches would be around 2302.7 feet tall.

Recreational maths with 21097538072572

• 21097538072572 backwards is 27527083579012
• The number of decimal digits it has is: 14
• The sum of 21097538072572's digits is 58
• More coming soon!