21097825008

Names of 21097825008

• Cardinal: 21097825008 can be written as Twenty-one billion, ninety-seven million, eight hundred twenty-five thousand and eight.

Scientific notation

• Scientific notation: 2.1097825008 × 10¹⁰

Factors of 21097825008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 678

Divisors of 21097825008

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 113 156 208 226 312 339 452 547 624 678 904 1094 1356 1469 1641 1808 2188 2712 2938 3282 4376 4407 5424 5876 6564 7111 8752 8814 11752 13128 14222 17628 21333 23504 26256 28444 35256 42666 56888 61811 70512 85332 113776 123622 170664 185433 247244 299209 341328 370866 494488 598418 741732 803543 897627 988976 1196836 1483464 1607086 1795254 2393672 2410629 2966928 3214172 3590508 3889717 4787344 4821258 6428344 7181016 7779434 9642516 11669151 12856688 14362032 15558868 19285032 23338302 31117736 33810617 38570064 46676604 62235472 67621234 93353208 101431851 135242468 186706416 202863702 270484936 405727404 439538021 540969872 811454808 879076042 1318614063 1622909616 1758152084 2637228126 3516304168 5274456252 7032608336 10548912504 21097825008
• Sum of all divisors σ(n): 59323109328
• Sum of proper divisors (its aliquot sum) s(n): 38225284320
• 21097825008 is an abundant number, because the sum of its proper divisors (38225284320) is greater than itself. Its abundance is 17127459312

Bases of 21097825008

• Binary: 10011101001100001110100001011110000₂
• Hexadecimal: 0x4E98742F0
• Base-36: 9OX3LYO

Squares and roots of 21097825008

• 21097825008 squared (21097825008²) is 445118220068190200064
• 21097825008 cubed (21097825008³) is 9391026314871110668210782400512
• The square root of 21097825008 is 145250.9036391857
• The cube root of 21097825008 is 2763.2015379501

Scales and comparisons

• 21,097,825,008 seconds is equal to 670 years, 43 weeks, 6 days, 18 hours, 56 minutes, 48 seconds.
• To count from 1 to 21,097,825,008 would take you about one thousand, three hundred forty-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 21097825008 cubic inches would be around 230.3 feet tall.

Recreational maths with 21097825008

• 21097825008 backwards is 80052879012
• The number of decimal digits it has is: 11
• The sum of 21097825008's digits is 42
• More coming soon!