21721926588128

Names of 21721926588128

• Cardinal: 21721926588128 can be written as Twenty-one trillion, seven hundred twenty-one billion, nine hundred twenty-six million, five hundred eighty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1721926588128 × 10¹³

Factors of 21721926588128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19771536

Divisors of 21721926588128

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 52 76 104 139 152 208 247 278 304 416 494 556 608 988 1112 1807 1976 2224 2641 3614 3952 4448 5282 7228 7904 10564 14456 21128 28912 34333 42256 57824 68666 84512 137332 274664 549328 1098656 19771363 39542726 79085452 158170904 257027719 316341808 375655897 514055438 632683616 751311794 1028110876 1502623588 2056221752 2748219457 3005247176 4112443504 4883526661 5496438914 6010494352 8224887008 9767053322 10992877828 12020988704 19534106644 21985755656 35726852941 39068213288 43971511312 52216169683 71453705882 78136426576 87943022624 104432339366 142907411764 156272853152 208864678732 285814823528 417729357464 571629647056 678810205879 835458714928 1143259294112 1357620411758 1670917429856 2715240823516 5430481647032 10860963294064 21721926588128
• Sum of all divisors σ(n): 48827360534400
• Sum of proper divisors (its aliquot sum) s(n): 27105433946272
• 21721926588128 is an abundant number, because the sum of its proper divisors (27105433946272) is greater than itself. Its abundance is 5383507358144

Bases of 21721926588128

• Binary: 100111100000110000111101101111101011011100000₂
• Hexadecimal: 0x13C187B7D6E0
• Base-36: 7P6WY8W68

Squares and roots of 21721926588128

• 21721926588128 squared (21721926588128²) is 471842094700022134950544384
• 21721926588128 cubed (21721926588128³) is 10249319342262420485492356953157351473152
• The square root of 21721926588128 is 4660678.7690343989
• The cube root of 21721926588128 is 27901.8359245131

Scales and comparisons

• 21,721,926,588,128 seconds is equal to 690,690 years, 3 weeks, 6 days, 8 hours, 42 minutes, 8 seconds.
• To count from 1 to 21,721,926,588,128 would take you about one million, seven hundred twenty-six thousand, seven hundred twenty-five 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 21721926588128 cubic inches would be around 2325.2 feet tall.

Recreational maths with 21721926588128

• 21721926588128 backwards is 82188562912712
• The number of decimal digits it has is: 14
• The sum of 21721926588128's digits is 62
• More coming soon!