21243060286720

Names of 21243060286720

• Cardinal: 21243060286720 can be written as Twenty-one trillion, two hundred forty-three billion, sixty million, two hundred eighty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.124306028672 × 10¹³

Factors of 21243060286720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 313134793

Divisors of 21243060286720

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 53 64 80 106 128 160 212 256 265 320 424 530 640 848 1060 1280 1696 2120 3392 4240 6784 8480 13568 16960 33920 67840 313134733 626269466 1252538932 1565673665 2505077864 3131347330 5010155728 6262694660 10020311456 12525389320 16596140849 20040622912 25050778640 33192281698 40081245824 50101557280 66384563396 80162491648 82980704245 100203114560 132769126792 165961408490 200406229120 265538253584 331922816980 400812458240 531076507168 663845633960 1062153014336 1327691267920 2124306028672 2655382535840 4248612057344 5310765071680 10621530143360 21243060286720
• Sum of all divisors σ(n): 51843839099976
• Sum of proper divisors (its aliquot sum) s(n): 30600778813256
• 21243060286720 is an abundant number, because the sum of its proper divisors (30600778813256) is greater than itself. Its abundance is 9357718526536

Bases of 21243060286720

• Binary: 100110101001000001001000011111111010100000000₂
• Hexadecimal: 0x1352090FF500
• Base-36: 7J2XDM58G

Squares and roots of 21243060286720

• 21243060286720 squared (21243060286720²) is 451267610345220408608358400
• 21243060286720 cubed (21243060286720³) is 9586305052007587091473469548892520448000
• The square root of 21243060286720 is 4609019.4495922883
• The cube root of 21243060286720 is 27695.2757680359

Scales and comparisons

• 21,243,060,286,720 seconds is equal to 675,463 years, 31 weeks, 4 days, 7 hours, 38 minutes, 40 seconds.
• To count from 1 to 21,243,060,286,720 would take you about one million, six hundred eighty-eight thousand, six hundred fifty-nine 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 21243060286720 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21243060286720

• 21243060286720 backwards is 02768206034212
• The number of decimal digits it has is: 14
• The sum of 21243060286720's digits is 43
• More coming soon!