21649383364

Names of 21649383364

• Cardinal: 21649383364 can be written as Twenty-one billion, six hundred forty-nine million, three hundred eighty-three thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 2.1649383364 × 10¹⁰

Factors of 21649383364

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1411

Divisors of 21649383364

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 28 61 103 109 122 206 218 244 412 427 436 721 763 854 1129 1442 1526 1708 2258 2884 3052 4516 6283 6649 7903 11227 12566 13298 15806 22454 25132 26596 31612 43981 44908 46543 68869 78589 87962 93086 116287 123061 137738 157178 175924 186172 232574 246122 275476 314356 465148 482083 492244 684847 814009 861427 964166 1369694 1628018 1722854 1928332 2739388 3256036 3445708 4793929 7093507 7506721 9587858 12675283 14187014 15013442 19175716 25350566 28374028 30026884 49654549 50701132 52547047 88726981 99309098 105094094 177453962 198618196 210188188 354907924 773192263 1546384526 3092769052 5412345841 10824691682 21649383364
• Sum of all divisors σ(n): 44883238400
• Sum of proper divisors (its aliquot sum) s(n): 23233855036
• 21649383364 is an abundant number, because the sum of its proper divisors (23233855036) is greater than itself. Its abundance is 1584471672

Bases of 21649383364

• Binary: 10100001010011001110101111111000100₂
• Hexadecimal: 0x50A675FC4
• Base-36: 9Y1HF44

Squares and roots of 21649383364

• 21649383364 squared (21649383364²) is 468695800041439956496
• 21649383364 cubed (21649383364³) is 10146975056193820704769386132544
• The square root of 21649383364 is 147137.2942662737
• The cube root of 21649383364 is 2787.0740669131

Scales and comparisons

• 21,649,383,364 seconds is equal to 688 years, 19 weeks, 6 days, 13 hours, 36 minutes, 4 seconds.
• To count from 1 to 21,649,383,364 would take you about one thousand, three hundred seventy-six 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 21649383364 cubic inches would be around 232.3 feet tall.

Recreational maths with 21649383364

• 21649383364 backwards is 46338394612
• The number of decimal digits it has is: 11
• The sum of 21649383364's digits is 49
• More coming soon!