21771789871008

Names of 21771789871008

• Cardinal: 21771789871008 can be written as Twenty-one trillion, seven hundred seventy-one billion, seven hundred eighty-nine million, eight hundred seventy-one thousand and eight.

Scientific notation

• Scientific notation: 2.1771789871008 × 10¹³

Factors of 21771789871008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12550998

Divisors of 21771789871008

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1063 1632 2126 3189 4252 6378 8504 12756 17008 18071 25512 34016 36142 51024 54213 72284 102048 108426 144568 216852 289136 433704 578272 867408 1734816 12549913 25099826 37649739 50199652 75299478 100399304 150598956 200798608 213348521 301197912 401597216 426697042 602395824 640045563 853394084 1204791648 1280091126 1706788168 2560182252 3413576336 5120364504 6827152672 10240729008 13340557519 20481458016 26681115038 40021672557 53362230076 80043345114 106724460152 160086690228 213448920304 226789477823 320173380456 426897840608 453578955646 640346760912 680368433469 907157911292 1280693521824 1360736866938 1814315822584 2721473733876 3628631645168 5442947467752 7257263290336 10885894935504 21771789871008
• Sum of all divisors σ(n): 60569700137856
• Sum of proper divisors (its aliquot sum) s(n): 38797910266848
• 21771789871008 is an abundant number, because the sum of its proper divisors (38797910266848) is greater than itself. Its abundance is 17026120395840

Bases of 21771789871008

• Binary: 100111100110100100011110011010010011110100000₂
• Hexadecimal: 0x13CD23CD27A0
• Base-36: 7PTTLK3HC

Squares and roots of 21771789871008

• 21771789871008 squared (21771789871008²) is 474010834187326545278936064
• 21771789871008 cubed (21771789871008³) is 10320064278507688681746861680214039232512
• The square root of 21771789871008 is 4666025.0611208681
• The cube root of 21771789871008 is 27923.1694208123

Scales and comparisons

• 21,771,789,871,008 seconds is equal to 692,275 years, 29 weeks, 5 days, 16 hours, 36 minutes, 48 seconds.
• To count from 1 to 21,771,789,871,008 would take you about one million, seven hundred thirty thousand, six 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 21771789871008 cubic inches would be around 2326.9 feet tall.

Recreational maths with 21771789871008

• 21771789871008 backwards is 80017898717712
• The number of decimal digits it has is: 14
• The sum of 21771789871008's digits is 66
• More coming soon!