13681007

Names of 13681007

• Cardinal: 13681007 can be written as Thirteen million, six hundred eighty-one thousand and seven.

Scientific notation

• Scientific notation: 1.3681007 × 10⁷

Factors of 13681007

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 720072

Divisors of 13681007

• Number of divisors d(n): 4
• Complete list of divisors:
  1 19 720053 13681007
• Sum of all divisors σ(n): 14401080
• Sum of proper divisors (its aliquot sum) s(n): 720073
• 13681007 is a deficient number, because the sum of its proper divisors (720073) is less than itself. Its deficiency is 12960934

Bases of 13681007

• Binary: 110100001100000101101111₂
• Hexadecimal: 0xD0C16F
• Base-36: 858BZ

Squares and roots of 13681007

• 13681007 squared (13681007²) is 187169952534049
• 13681007 cubed (13681007³) is 2560673430807992107343
• The square root of 13681007 is 3698.7845300855
• The cube root of 13681007 is 239.1696245121

Scales and comparisons

• 13,681,007 seconds is equal to 22 weeks, 4 days, 8 hours, 16 minutes, 47 seconds.
• To count from 1 to 13,681,007 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 13681007 cubic inches would be around 19.9 feet tall.

Recreational maths with 13681007

• 13681007 backwards is 70018631
• The number of decimal digits it has is: 8
• The sum of 13681007's digits is 26
• More coming soon!