399909816936

Names of 399909816936

• Cardinal: 399909816936 can be written as Three hundred ninety-nine billion, nine hundred nine million, eight hundred sixteen thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 3.99909816936 × 10¹¹

Factors of 399909816936

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 120168

Divisors of 399909816936

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 7013 14026 21039 28052 42078 49091 56104 63117 84156 98182 113143 126234 147273 168312 196364 226286 252468 294546 339429 392728 441819 452572 504936 589092 678858 792001 883638 905144 1018287 1178184 1357716 1584002 1767276 2036574 2376003 2715432 3168004 3534552 4073148 4752006 6336008 7128009 8146296 9504012 14256018 19008024 28512036 57024072 793471859 1586943718 2380415577 3173887436 4760831154 5554303013 6347774872 7141246731 9521662308 11108606026 14282493462 16662909039 19043324616 22217212052 28564986924 33325818078 44434424104 49988727117 57129973848 66651636156 99977454234 133303272312 199954908468 399909816936
• Sum of all divisors σ(n): 1238003544960
• Sum of proper divisors (its aliquot sum) s(n): 838093728024
• 399909816936 is an abundant number, because the sum of its proper divisors (838093728024) is greater than itself. Its abundance is 438183911088

Bases of 399909816936

• Binary: 101110100011100011110111000101001101000₂
• Hexadecimal: 0x5D1C7B8A68
• Base-36: 53PRZ9M0

Squares and roots of 399909816936

• 399909816936 squared (399909816936²) is 159927861681785032428096
• 399909816936 cubed (399909816936³) is 63956721888128581404024694943033856
• The square root of 399909816936 is 632384.2320425139
• The cube root of 399909816936 is 7367.5092269141

Scales and comparisons

• 399,909,816,936 seconds is equal to 12,715 years, 46 weeks, 3 days, 20 hours, 15 minutes, 36 seconds.
• To count from 1 to 399,909,816,936 would take you about twenty-five thousand, four hundred thirty-one 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 399909816936 cubic inches would be around 614 feet tall.

Recreational maths with 399909816936

• 399909816936 backwards is 639618909993
• 399909816936 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 399909816936's digits is 72
• More coming soon!