21677839216

Names of 21677839216

• Cardinal: 21677839216 can be written as Twenty-one billion, six hundred seventy-seven million, eight hundred thirty-nine thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1677839216 × 10¹⁰

Factors of 21677839216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 645

Divisors of 21677839216

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 11 16 22 31 44 62 88 121 124 176 242 248 341 484 496 601 682 968 1202 1364 1936 2404 2728 3751 4808 5456 6611 7502 9616 13222 15004 18631 26444 30008 37262 52888 60016 72721 74524 105776 145442 149048 204941 290884 298096 361201 409882 581768 722402 819764 1163536 1444804 1639528 2254351 2889608 3279056 3973211 4508702 5779216 7946422 9017404 11197231 15892844 18034808 22394462 31785688 36069616 43705321 44788924 63571376 87410642 89577848 123169541 174821284 179155696 246339082 349642568 492678164 699285136 985356328 1354864951 1970712656 2709729902 5419459804 10838919608 21677839216
• Sum of all divisors σ(n): 47734840608
• Sum of proper divisors (its aliquot sum) s(n): 26057001392
• 21677839216 is an abundant number, because the sum of its proper divisors (26057001392) is greater than itself. Its abundance is 4379162176

Bases of 21677839216

• Binary: 10100001100000110011001001101110000₂
• Hexadecimal: 0x50C199370
• Base-36: 9YIFBSG

Squares and roots of 21677839216

• 21677839216 squared (21677839216²) is 469928713074747494656
• 21677839216 cubed (21677839216³) is 10187039085016173178951587229696
• The square root of 21677839216 is 147233.9608106771
• The cube root of 21677839216 is 2788.2946381655

Scales and comparisons

• 21,677,839,216 seconds is equal to 689 years, 14 weeks, 6 days, 22 hours, 16 seconds.
• To count from 1 to 21,677,839,216 would take you about one thousand, three hundred seventy-eight 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 21677839216 cubic inches would be around 232.4 feet tall.

Recreational maths with 21677839216

• 21677839216 backwards is 61293877612
• The number of decimal digits it has is: 11
• The sum of 21677839216's digits is 52
• More coming soon!