820864243108

Names of 820864243108

• Cardinal: 820864243108 can be written as Eight hundred twenty billion, eight hundred sixty-four million, two hundred forty-three thousand, one hundred eight.

Scientific notation

• Scientific notation: 8.20864243108 × 10¹¹

Factors of 820864243108

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9313

Divisors of 820864243108

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 13 14 26 28 37 49 52 74 91 98 148 182 196 259 364 481 518 637 962 1036 1063 1274 1813 1924 2126 2548 3367 3626 4252 6734 7252 7441 8191 13468 13819 14882 16382 23569 27638 29764 32764 39331 47138 52087 55276 57337 78662 94276 96733 104174 106483 114674 157324 193466 208348 212966 229348 275317 303067 386932 401359 425932 511303 550634 606134 677131 745381 802718 1022606 1101268 1212268 1354262 1490762 1605436 1927219 2045212 2121469 2708524 2981524 3579121 3854438 3939871 4242938 5217667 7158242 7708876 7879742 8485876 8707033 10435334 14316484 14850283 15759484 17414066 20870668 25053847 27579097 29700566 34828132 50107694 55158194 59401132 60949231 100215388 110316388 113191429 121898462 193053679 226382858 243796924 322160221 386107358 426644617 452765716 644320442 772214716 792340003 853289234 1288640884 1584680006 1706578468 2255121547 3169360012 4188082873 4510243094 5546380021 8376165746 9020486188 11092760042 15785850829 16752331492 22185520084 29316580111 31571701658 58633160222 63143403316 117266320444 205216060777 410432121554 820864243108
• Sum of all divisors σ(n): 1850189021184
• Sum of proper divisors (its aliquot sum) s(n): 1029324778076
• 820864243108 is an abundant number, because the sum of its proper divisors (1029324778076) is greater than itself. Its abundance is 208460534968

Bases of 820864243108

• Binary: 1011111100011111010100100101010110100100₂
• Hexadecimal: 0xBF1F5255A4
• Base-36: AH3LDJMS

Squares and roots of 820864243108

• 820864243108 squared (820864243108²) is 673818105613269725499664
• 820864243108 cubed (820864243108³) is 553113189256703059383332616468315712
• The square root of 820864243108 is 906015.5865701207
• The cube root of 820864243108 is 9363.1887736441

Scales and comparisons

• 820,864,243,108 seconds is equal to 26,100 years, 49 weeks, 13 hours, 18 minutes, 28 seconds.
• To count from 1 to 820,864,243,108 would take you about fifty-two thousand, two hundred 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 820864243108 cubic inches would be around 780.3 feet tall.

Recreational maths with 820864243108

• 820864243108 backwards is 801342468028
• The number of decimal digits it has is: 12
• The sum of 820864243108's digits is 46
• More coming soon!