399013361928

Names of 399013361928

• Cardinal: 399013361928 can be written as Three hundred ninety-nine billion, thirteen million, three hundred sixty-one thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 3.99013361928 × 10¹¹

Factors of 399013361928

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 414

Divisors of 399013361928

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 409 486 648 729 818 972 1227 1458 1636 1944 2454 2916 3272 3681 4908 5832 7362 9816 11043 14724 22086 29448 33129 44172 66258 88344 99387 132516 167281 198774 265032 298161 334562 397548 501843 596322 669124 795096 1003686 1192644 1338248 1505529 2007372 2385288 3011058 4014744 4516587 6022116 9033174 12044232 13549761 18066348 27099522 36132696 40649283 54199044 68417929 81298566 108398088 121947849 136835858 162597132 205253787 243895698 273671716 325194264 410507574 487791396 547343432 615761361 821015148 975582792 1231522722 1642030296 1847284083 2463045444 3694568166 4926090888 5541852249 7389136332 11083704498 14778272664 16625556747 22167408996 33251113494 44334817992 49876670241 66502226988 99753340482 133004453976 199506680964 399013361928
• Sum of all divisors σ(n): 1124461239900
• Sum of proper divisors (its aliquot sum) s(n): 725447877972
• 399013361928 is an abundant number, because the sum of its proper divisors (725447877972) is greater than itself. Its abundance is 326434516044

Bases of 399013361928

• Binary: 101110011100111000011001011100100001000₂
• Hexadecimal: 0x5CE70CB908
• Base-36: 53AY94I0

Squares and roots of 399013361928

• 399013361928 squared (399013361928²) is 159211662997085119877184
• 399013361928 cubed (399013361928³) is 63527580910614690146578086301450752
• The square root of 399013361928 is 631675.0445664289
• 399013361928 is a perfect cube number. Its cube root is 7362

Scales and comparisons

• 399,013,361,928 seconds is equal to 12,687 years, 20 weeks, 2 days, 4 hours, 58 minutes, 48 seconds.
• To count from 1 to 399,013,361,928 would take you about twenty-five thousand, three hundred seventy-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 399013361928 cubic inches would be around 613.5 feet tall.

Recreational maths with 399013361928

• 399013361928 backwards is 829163310993
• 399013361928 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 399013361928's digits is 54
• More coming soon!