399690669609

Names of 399690669609

• Cardinal: 399690669609 can be written as Three hundred ninety-nine billion, six hundred ninety million, six hundred sixty-nine thousand, six hundred nine.

Scientific notation

• Scientific notation: 3.99690669609 × 10¹¹

Factors of 399690669609

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 201881

Divisors of 399690669609

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 11 21 33 49 63 77 99 147 231 409 441 539 693 1227 1617 2863 3681 4499 4851 8589 13497 20041 25767 31493 40491 60123 94479 180369 201451 220451 283437 604353 661353 1410157 1813059 1984059 2215961 4230471 6647883 9871099 12691413 15511727 19943649 29613297 46535181 82393459 88839891 108582089 139605543 247180377 325746267 576754213 741541131 906328049 977238801 1730262639 2718984147 4037279491 5190787917 6344296343 8156952441 12111838473 19032889029 36335515419 44410074401 57098667087 133230223203 399690669609
• Sum of all divisors σ(n): 734437585440
• Sum of proper divisors (its aliquot sum) s(n): 334746915831
• 399690669609 is a deficient number, because the sum of its proper divisors (334746915831) is less than itself. Its deficiency is 64943753778

Bases of 399690669609

• Binary: 101110100001111011010111001111000101001₂
• Hexadecimal: 0x5D0F6B9E29
• Base-36: 53M5I6G9

Squares and roots of 399690669609

• 399690669609 squared (399690669609²) is 159752631372490796212881
• 399690669609 cubed (399690669609³) is 63851636205070587040515968201033529
• The square root of 399690669609 is 632210.9375904533
• The cube root of 399690669609 is 7366.1632026365

Scales and comparisons

• 399,690,669,609 seconds is equal to 12,708 years, 48 weeks, 1 day, 10 hours, 9 seconds.
• To count from 1 to 399,690,669,609 would take you about twenty-five thousand, four hundred seventeen 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 399690669609 cubic inches would be around 613.8 feet tall.

Recreational maths with 399690669609

• 399690669609 backwards is 906966096993
• The number of decimal digits it has is: 12
• The sum of 399690669609's digits is 72
• More coming soon!