399612643921387613

Names of 399612643921387613

• Cardinal: 399612643921387613 can be written as Three hundred ninety-nine quadrillion, six hundred twelve trillion, six hundred forty-three billion, nine hundred twenty-one million, three hundred eighty-seven thousand, six hundred thirteen.

Scientific notation

• Scientific notation: 3.99612643921387613 × 10¹⁷

Factors of 399612643921387613

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1028791992643

Divisors of 399612643921387613

• Number of divisors d(n): 8
• Complete list of divisors:
  1 163 2383 388429 1028791990097 167693094385811 2451611312401151 399612643921387613
• Sum of all divisors σ(n): 402232977120555648
• Sum of proper divisors (its aliquot sum) s(n): 2620333199168035
• 399612643921387613 is a deficient number, because the sum of its proper divisors (2620333199168035) is less than itself. Its deficiency is 396992310722219578

Bases of 399612643921387613

• Binary: 10110001011101101011001010100011000101100000110000001011101₂
• Hexadecimal: 0x58BB59518B0605D
• Base-36: 31AQUY9U2Z4T

Squares and roots of 399612643921387613

• 399612643921387613 squared (399612643921387613²) is 159690265181841728365737451389837769
• 399612643921387613 cubed (399612643921387613³) is 63814249077823280935154574636678315532099621436155397
• The square root of 399612643921387613 is 632149225.9912904559
• The cube root of 399612643921387613 is 736568.3842474031

Scales and comparisons

• 399,612,643,921,387,613 seconds is equal to 12,706,445,993 years, 32 weeks, 6 days, 17 hours, 26 minutes, 53 seconds.
• To count from 1 to 399,612,643,921,387,613 would take you about thirty-eight billion, one hundred nineteen million, three hundred thirty-seven thousand, nine hundred eighty 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 399612643921387613 cubic inches would be around 61380.7 feet tall.

Recreational maths with 399612643921387613

• 399612643921387613 backwards is 316783129346216993
• The number of decimal digits it has is: 18
• The sum of 399612643921387613's digits is 83
• More coming soon!