399799028928

Names of 399799028928

• Cardinal: 399799028928 can be written as Three hundred ninety-nine billion, seven hundred ninety-nine million, twenty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 3.99799028928 × 10¹¹

Factors of 399799028928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 219272

Divisors of 399799028928

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 733 832 1248 1466 2199 2496 2932 4398 5864 8796 9529 11728 17592 19058 23456 28587 35184 38116 46912 57174 70368 76232 114348 140736 152464 218521 228696 304928 437042 457392 609856 655563 874084 914784 1311126 1748168 1829568 2622252 2840773 3496336 5244504 5681546 6992672 8522319 10489008 11363092 13985344 17044638 20978016 22726184 34089276 41956032 45452368 68178552 90904736 136357104 160175893 181809472 272714208 320351786 480527679 545428416 640703572 961055358 1281407144 1922110716 2082286609 2562814288 3844221432 4164573218 5125628576 6246859827 7688442864 8329146436 10251257152 12493719654 15376885728 16658292872 24987439308 30753771456 33316585744 49974878616 66633171488 99949757232 133266342976 199899514464 399799028928
• Sum of all divisors σ(n): 1140730292576
• Sum of proper divisors (its aliquot sum) s(n): 740931263648
• 399799028928 is an abundant number, because the sum of its proper divisors (740931263648) is greater than itself. Its abundance is 341132234720

Bases of 399799028928

• Binary: 101110100010101111000010000110011000000₂
• Hexadecimal: 0x5D15E10CC0
• Base-36: 53NY0P1C

Squares and roots of 399799028928

• 399799028928 squared (399799028928²) is 159839263531771780829184
• 399799028928 cubed (399799028928³) is 63903582344569041650821009842634752
• The square root of 399799028928 is 632296.6304892033
• The cube root of 399799028928 is 7366.8288176297

Scales and comparisons

• 399,799,028,928 seconds is equal to 12,712 years, 19 weeks, 2 days, 13 hours, 48 minutes, 48 seconds.
• To count from 1 to 399,799,028,928 would take you about twenty-five thousand, four hundred twenty-four 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 399799028928 cubic inches would be around 613.9 feet tall.

Recreational maths with 399799028928

• 399799028928 backwards is 829820997993
• The number of decimal digits it has is: 12
• The sum of 399799028928's digits is 75
• More coming soon!