821664468196

Names of 821664468196

• Cardinal: 821664468196 can be written as Eight hundred twenty-one billion, six hundred sixty-four million, four hundred sixty-eight thousand, one hundred ninety-six.

Scientific notation

• Scientific notation: 8.21664468196 × 10¹¹

Factors of 821664468196

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 46467

Divisors of 821664468196

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 11 13 22 26 29 44 52 58 116 143 286 319 377 572 638 754 1093 1276 1508 2186 4147 4372 8294 12023 14209 16588 24046 28418 31697 45319 48092 56836 63394 90638 126788 156299 181276 312598 348667 412061 498509 589147 625196 697334 824122 997018 1178294 1314251 1394668 1648244 1994036 2356588 2628502 4532671 5257004 6480617 9065342 12961234 14456761 17085263 18130684 25922468 28913522 34170526 49533667 57827044 68341052 99067334 187937893 198134668 375875786 544870337 643937671 751751572 1089740674 1287875342 1436476343 2179481348 2575750684 2872952686 5745905372 7083314381 14166628762 15801239773 18674192459 28333257524 31602479546 37348384918 63204959092 74696769836 205416117049 410832234098 821664468196
• Sum of all divisors σ(n): 1749185222400
• Sum of proper divisors (its aliquot sum) s(n): 927520754204
• 821664468196 is an abundant number, because the sum of its proper divisors (927520754204) is greater than itself. Its abundance is 105856286008

Bases of 821664468196

• Binary: 1011111101001111000001001100110011100100₂
• Hexadecimal: 0xBF4F04CCE4
• Base-36: AHGTT59G

Squares and roots of 821664468196

• 821664468196 squared (821664468196²) is 675132498295815495494416
• 821664468196 cubed (821664468196³) is 554732385174068115397555556727593536
• The square root of 821664468196 is 906457.0967210749
• The cube root of 821664468196 is 9366.2303748933

Scales and comparisons

• 821,664,468,196 seconds is equal to 26,126 years, 20 weeks, 1 day, 10 hours, 3 minutes, 16 seconds.
• To count from 1 to 821,664,468,196 would take you about fifty-two thousand, two hundred fifty-two 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 821664468196 cubic inches would be around 780.5 feet tall.

Recreational maths with 821664468196

• 821664468196 backwards is 691864466128
• The number of decimal digits it has is: 12
• The sum of 821664468196's digits is 61
• More coming soon!