399817132571832664

Names of 399817132571832664

• Cardinal: 399817132571832664 can be written as Three hundred ninety-nine quadrillion, eight hundred seventeen trillion, one hundred thirty-two billion, five hundred seventy-one million, eight hundred thirty-two thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 3.99817132571832664 × 10¹⁷

Factors of 399817132571832664

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3844395505498406

Divisors of 399817132571832664

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 4 8 13 26 52 104 3844395505498391 7688791010996782 15377582021993564 30755164043987128 49977141571479083 99954283142958166 199908566285916332 399817132571832664
• Sum of all divisors σ(n): 807323056154662320
• Sum of proper divisors (its aliquot sum) s(n): 407505923582829656
• 399817132571832664 is an abundant number, because the sum of its proper divisors (407505923582829656) is greater than itself. Its abundance is 7688791010996992

Bases of 399817132571832664

• Binary: 10110001100011011111001000001010010000011110011000101011000₂
• Hexadecimal: 0x58C6F90520F3158
• Base-36: 31CRCF28TF14

Squares and roots of 399817132571832664

• 399817132571832664 squared (399817132571832664²) is 159853739497962415735791891617336896
• 399817132571832664 cubed (399817132571832664³) is 63912263756960042610757854617371876769643297825170944
• The square root of 399817132571832664 is 632310946.1110353607
• The cube root of 399817132571832664 is 736694.0010522893

Scales and comparisons

• 399,817,132,571,832,664 seconds is equal to 12,712,948,100 years, 10 weeks, 6 hours, 51 minutes, 4 seconds.
• To count from 1 to 399,817,132,571,832,664 would take you about thirty-eight billion, one hundred thirty-eight million, eight hundred forty-four thousand, three hundred 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 399817132571832664 cubic inches would be around 61391.2 feet tall.

Recreational maths with 399817132571832664

• 399817132571832664 backwards is 466238175231718993
• The number of decimal digits it has is: 18
• The sum of 399817132571832664's digits is 85
• More coming soon!