396668642816

Names of 396668642816

• Cardinal: 396668642816 can be written as Three hundred ninety-six billion, six hundred sixty-eight million, six hundred forty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 3.96668642816 × 10¹¹

Factors of 396668642816

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 814

Divisors of 396668642816

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 32 64 103 128 206 256 412 512 709 824 1418 1648 2836 3296 5672 6592 10609 11344 13184 21218 22688 26368 42436 45376 52736 73027 84872 90752 146054 169744 181504 292108 339488 363008 584216 678976 1092727 1168432 1357952 2185454 2336864 2715904 4370908 4673728 5431808 7521781 8741816 9347456 15043562 17483632 18694912 30087124 34967264 37389824 60174248 69934528 120348496 139869056 240696992 279738112 481393984 559476224 774743443 962787968 1549486886 1925575936 3098973772 3851151872 6197947544 12395895088 24791790176 49583580352 99167160704 198334321408 396668642816
• Sum of all divisors σ(n): 801461575200
• Sum of proper divisors (its aliquot sum) s(n): 404792932384
• 396668642816 is an abundant number, because the sum of its proper divisors (404792932384) is greater than itself. Its abundance is 8124289568

Bases of 396668642816

• Binary: 101110001011011010010110010011000000000₂
• Hexadecimal: 0x5C5B4B2600
• Base-36: 52869NNK

Squares and roots of 396668642816

• 396668642816 squared (396668642816²) is 157346012193487388409856
• 396668642816 cubed (396668642816³) is 62414229109300429554549827877994496
• The square root of 396668642816 is 629816.3564214571
• The cube root of 396668642816 is 7347.5512401285

Scales and comparisons

• 396,668,642,816 seconds is equal to 12,612 years, 43 weeks, 3 days, 6 hours, 6 minutes, 56 seconds.
• To count from 1 to 396,668,642,816 would take you about twenty-five thousand, two hundred twenty-five 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 396668642816 cubic inches would be around 612.3 feet tall.

Recreational maths with 396668642816

• 396668642816 backwards is 618246866693
• The number of decimal digits it has is: 12
• The sum of 396668642816's digits is 65
• More coming soon!