21827946810

Names of 21827946810

• Cardinal: 21827946810 can be written as Twenty-one billion, eight hundred twenty-seven million, nine hundred forty-six thousand, eight hundred ten.

Scientific notation

• Scientific notation: 2.182794681 × 10¹⁰

Factors of 21827946810

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1520

Divisors of 21827946810

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 15 30 43 73 86 129 146 193 215 219 258 365 386 430 438 579 645 730 965 1095 1158 1201 1290 1930 2190 2402 2895 3139 3603 5790 6005 6278 7206 8299 9417 12010 14089 15695 16598 18015 18834 24897 28178 31390 36030 41495 42267 47085 49794 51643 70445 82990 84534 87673 94170 103286 124485 140890 154929 175346 211335 231793 248970 258215 263019 309858 422670 438365 463586 516430 526038 605827 695379 774645 876730 1158965 1211654 1315095 1390758 1549290 1817481 2317930 2630190 3029135 3476895 3634962 3769939 6058270 6953790 7539878 9087405 9967099 11309817 16920889 18174810 18849695 19934198 22619634 29901297 33841778 37699390 49835495 50762667 56549085 59802594 84604445 99670990 101525334 113098170 149506485 169208890 253813335 299012970 507626670 727598227 1455196454 2182794681 3637991135 4365589362 7275982270 10913973405 21827946810
• Sum of all divisors σ(n): 54666729216
• Sum of proper divisors (its aliquot sum) s(n): 32838782406
• 21827946810 is an abundant number, because the sum of its proper divisors (32838782406) is greater than itself. Its abundance is 11010835596

Bases of 21827946810

• Binary: 10100010101000011000000100100111010₂
• Hexadecimal: 0x5150C093A
• Base-36: A0ZSNJU

Squares and roots of 21827946810

• 21827946810 squared (21827946810²) is 476459261940189176100
• 21827946810 cubed (21827946810³) is 10400127426762306737248523241000
• The square root of 21827946810 is 147742.8401310871
• The cube root of 21827946810 is 2794.7156630161

Scales and comparisons

• 21,827,946,810 seconds is equal to 694 years, 3 weeks, 1 day, 6 hours, 33 minutes, 30 seconds.
• To count from 1 to 21,827,946,810 would take you about one thousand, three hundred eighty-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 21827946810 cubic inches would be around 232.9 feet tall.

Recreational maths with 21827946810

• 21827946810 backwards is 01864972812
• The number of decimal digits it has is: 11
• The sum of 21827946810's digits is 48
• More coming soon!