16681668686512

Names of 16681668686512

• Cardinal: 16681668686512 can be written as Sixteen trillion, six hundred eighty-one billion, six hundred sixty-eight million, six hundred eighty-six thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.6681668686512 × 10¹³

Factors of 16681668686512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 66838735

Divisors of 16681668686512

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 19 38 76 152 304 821 1642 3284 6568 13136 15599 31198 62396 124792 249584 66837893 133675786 267351572 534703144 1069406288 1269919967 2539839934 5079679868 10159359736 20318719472 54873910153 109747820306 219495640612 438991281224 877982562448 1042604292907 2085208585814 4170417171628 8340834343256 16681668686512
• Sum of all divisors σ(n): 34063264298160
• Sum of proper divisors (its aliquot sum) s(n): 17381595611648
• 16681668686512 is an abundant number, because the sum of its proper divisors (17381595611648) is greater than itself. Its abundance is 699926925136

Bases of 16681668686512

• Binary: 11110010110000000000111011111011001010110000₂
• Hexadecimal: 0xF2C00EFB2B0
• Base-36: 5WVGATT4G

Squares and roots of 16681668686512

• 16681668686512 squared (16681668686512²) is 278278070166554995330726144
• 16681668686512 cubed (16681668686512³) is 4642142569240409642030726687615658569728
• The square root of 16681668686512 is 4084319.8560484951
• The cube root of 16681668686512 is 25551.3095742621

Scales and comparisons

• 16,681,668,686,512 seconds is equal to 530,425 years, 24 weeks, 1 day, 1 hour, 21 minutes, 52 seconds.
• To count from 1 to 16,681,668,686,512 would take you about one million, three hundred twenty-six thousand and sixty-three 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 16681668686512 cubic inches would be around 2129.3 feet tall.

Recreational maths with 16681668686512

• 16681668686512 backwards is 21568686618661
• The number of decimal digits it has is: 14
• The sum of 16681668686512's digits is 70
• More coming soon!