399820697964

Names of 399820697964

• Cardinal: 399820697964 can be written as Three hundred ninety-nine billion, eight hundred twenty million, six hundred ninety-seven thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 3.99820697964 × 10¹¹

Factors of 399820697964

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19506

Divisors of 399820697964

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 199 398 597 796 1194 1791 2388 3541 3582 7082 7164 10623 14164 15761 21246 31522 31869 42492 47283 63044 63738 94566 127476 141849 189132 283698 567396 704659 1409318 2113977 2818636 3136439 4227954 6272878 6341931 8455908 9409317 12545756 12683862 18818634 25367724 28227951 37637268 55809701 56455902 111619402 112911804 167429103 223238804 334858206 502287309 669716412 1004574618 2009149236 11106130499 22212260998 33318391497 44424521996 66636782994 99955174491 133273565988 199910348982 399820697964
• Sum of all divisors σ(n): 1016087872800
• Sum of proper divisors (its aliquot sum) s(n): 616267174836
• 399820697964 is an abundant number, because the sum of its proper divisors (616267174836) is greater than itself. Its abundance is 216446476872

Bases of 399820697964

• Binary: 101110100010111001010111011000101101100₂
• Hexadecimal: 0x5D172BB16C
• Base-36: 53OAX4Z0

Squares and roots of 399820697964

• 399820697964 squared (399820697964²) is 159856590520420113745296
• 399820697964 cubed (399820697964³) is 63913973596019715872148516841777344
• The square root of 399820697964 is 632313.7654392795
• The cube root of 399820697964 is 7366.9619088275

Scales and comparisons

• 399,820,697,964 seconds is equal to 12,713 years, 3 weeks, 1 day, 8 hours, 59 minutes, 24 seconds.
• To count from 1 to 399,820,697,964 would take you about twenty-five thousand, four hundred twenty-six 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 399820697964 cubic inches would be around 613.9 feet tall.

Recreational maths with 399820697964

• 399820697964 backwards is 469796028993
• The number of decimal digits it has is: 12
• The sum of 399820697964's digits is 72
• More coming soon!