13666661

Names of 13666661

• Cardinal: 13666661 can be written as Thirteen million, six hundred sixty-six thousand, six hundred sixty-one.

Scientific notation

• Scientific notation: 1.3666661 × 10⁷

Factors of 13666661

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13666661

Divisors of 13666661

• Number of divisors d(n): 2
• Complete list of divisors:
  1 13666661
• Sum of all divisors σ(n): 13666662
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13666661 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13666660

Bases of 13666661

• Binary: 110100001000100101100101₂
• Hexadecimal: 0xD08965
• Base-36: 84X9H

Squares and roots of 13666661

• 13666661 squared (13666661²) is 186777622888921
• 13666661 cubed (13666661³) is 2552626454408723962781
• The square root of 13666661 is 3696.8447357173
• The cube root of 13666661 is 239.0859969585

Scales and comparisons

• 13,666,661 seconds is equal to 22 weeks, 4 days, 4 hours, 17 minutes, 41 seconds.
• To count from 1 to 13,666,661 would take you about thirty-three weeks!

  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 13666661 cubic inches would be around 19.9 feet tall.

Recreational maths with 13666661

• 13666661 backwards is 16666631
• 13666661 is a twin prime! Its twin is 13666663
• The number of decimal digits it has is: 8
• The sum of 13666661's digits is 35
• More coming soon!