21408012788032

Names of 21408012788032

• Cardinal: 21408012788032 can be written as Twenty-one trillion, four hundred eight billion, twelve million, seven hundred eighty-eight thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1408012788032 × 10¹³

Factors of 21408012788032

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 49146

Divisors of 21408012788032

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 61 64 104 122 208 244 416 488 793 832 976 1586 1952 3172 3904 6344 11113 12688 22226 25376 37957 44452 50752 75914 88904 144469 151828 177808 288938 303656 355616 493441 577876 607312 677893 711232 986882 1155752 1214624 1355786 1973764 2311504 2315377 2429248 2711572 3947528 4623008 4630754 5423144 7895056 8812609 9246016 9261508 10846288 15790112 17625218 18523016 21692576 30099901 31580224 35250436 37046032 43385152 60199802 70500872 74092064 120399604 141001744 148184128 240799208 282003488 421816141 481598416 564006976 843632282 963196832 1687264564 1926393664 3374529128 5483609833 6749058256 10967219666 13498116512 21934439332 25730784601 26996233024 43868878664 51461569202 87737757328 102923138404 175475514656 205846276808 334500199813 350951029312 411692553616 669000399626 823385107232 1338000799252 1646770214464 2676001598504 5352003197008 10704006394016 21408012788032
• Sum of all divisors σ(n): 46504733510032
• Sum of proper divisors (its aliquot sum) s(n): 25096720722000
• 21408012788032 is an abundant number, because the sum of its proper divisors (25096720722000) is greater than itself. Its abundance is 3688707933968

Bases of 21408012788032

• Binary: 100110111100001110000111111110110000101000000₂
• Hexadecimal: 0x137870FF6140
• Base-36: 7L6PE2PTS

Squares and roots of 21408012788032

• 21408012788032 squared (21408012788032²) is 458303011532541645762433024
• 21408012788032 cubed (21408012788032³) is 9811356731682228726993773520449908768768
• The square root of 21408012788032 is 4626879.3790234039
• The cube root of 21408012788032 is 27766.7756858667

Scales and comparisons

• 21,408,012,788,032 seconds is equal to 680,708 years, 30 weeks, 3 days, 18 hours, 53 minutes, 52 seconds.
• To count from 1 to 21,408,012,788,032 would take you about one million, seven hundred one thousand, seven hundred seventy-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 21408012788032 cubic inches would be around 2313.9 feet tall.

Recreational maths with 21408012788032

• 21408012788032 backwards is 23088721080412
• The number of decimal digits it has is: 14
• The sum of 21408012788032's digits is 46
• More coming soon!