399985485426

Names of 399985485426

• Cardinal: 399985485426 can be written as Three hundred ninety-nine billion, nine hundred eighty-five million, four hundred eighty-five thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 3.99985485426 × 10¹¹

Factors of 399985485426

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 47326

Divisors of 399985485426

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 10631 21262 31893 36671 63786 73342 95679 110013 191358 201989 220026 287037 330039 403978 574074 605967 660078 696749 990117 1211934 1393498 1817901 1980234 2090247 3635802 4180494 5453703 6270741 10907406 12541482 18812223 37624446 389849401 779698802 1169548203 2339096406 3508644609 7017289218 7407138619 10525933827 14814277238 21051867654 22221415857 44442831714 66664247571 133328495142 199992742713 399985485426
• Sum of all divisors σ(n): 935752089600
• Sum of proper divisors (its aliquot sum) s(n): 535766604174
• 399985485426 is an abundant number, because the sum of its proper divisors (535766604174) is greater than itself. Its abundance is 135781118748

Bases of 399985485426

• Binary: 101110100100000111111100010011001110010₂
• Hexadecimal: 0x5D20FE2672
• Base-36: 53R113SI

Squares and roots of 399985485426

• 399985485426 squared (399985485426²) is 159988388551472858401476
• 399985485426 cubed (399985485426³) is 63993033257284372254978140254888776
• The square root of 399985485426 is 632444.0571513025
• The cube root of 399985485426 is 7367.9738759565

Scales and comparisons

• 399,985,485,426 seconds is equal to 12,718 years, 15 weeks, 4 days, 15 hours, 17 minutes, 6 seconds.
• To count from 1 to 399,985,485,426 would take you about twenty-five thousand, four hundred thirty-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 399985485426 cubic inches would be around 614 feet tall.

Recreational maths with 399985485426

• 399985485426 backwards is 624584589993
• The number of decimal digits it has is: 12
• The sum of 399985485426's digits is 72
• More coming soon!