399444006644

Names of 399444006644

• Cardinal: 399444006644 can be written as Three hundred ninety-nine billion, four hundred forty-four million, six thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 3.99444006644 × 10¹¹

Factors of 399444006644

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12259

Divisors of 399444006644

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 47 61 94 122 188 244 2209 2867 3721 4418 5734 7442 8836 11468 12149 14884 24298 48596 134749 174887 269498 349774 538996 571003 699548 741089 1142006 1482178 2284012 2964356 8219689 16439378 26837141 32878756 34831183 45206429 53674282 69662366 90412858 107348564 139324732 180825716 1637065601 2124702163 3274131202 4249404326 6548262404 8498808652 99861001661 199722003322 399444006644
• Sum of all divisors σ(n): 726176546550
• Sum of proper divisors (its aliquot sum) s(n): 326732539906
• 399444006644 is a deficient number, because the sum of its proper divisors (326732539906) is less than itself. Its deficiency is 72711466738

Bases of 399444006644

• Binary: 101110100000000101101111101011011110100₂
• Hexadecimal: 0x5D00B7D6F4
• Base-36: 53I2NC38

Squares and roots of 399444006644

• 399444006644 squared (399444006644²) is 159555514443811916142736
• 399444006644 cubed (399444006644³) is 63733493971580844996405409636337984
• The square root of 399444006644 is 632015.8278429425
• The cube root of 399444006644 is 7364.6475859423

Scales and comparisons

• 399,444,006,644 seconds is equal to 12,701 years, 4 weeks, 2 days, 12 hours, 30 minutes, 44 seconds.
• To count from 1 to 399,444,006,644 would take you about twenty-five thousand, four hundred two 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 399444006644 cubic inches would be around 613.7 feet tall.

Recreational maths with 399444006644

• 399444006644 backwards is 446600444993
• The number of decimal digits it has is: 12
• The sum of 399444006644's digits is 53
• More coming soon!