10402081

Names of 10402081

• Cardinal: 10402081 can be written as Ten million, four hundred two thousand and eighty-one.

Scientific notation

• Scientific notation: 1.0402081 × 10⁷

Factors of 10402081

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1431

Divisors of 10402081

• Number of divisors d(n): 8
• Complete list of divisors:
  1 31 307 1093 9517 33883 335551 10402081
• Sum of all divisors σ(n): 10782464
• Sum of proper divisors (its aliquot sum) s(n): 380383
• 10402081 is a deficient number, because the sum of its proper divisors (380383) is less than itself. Its deficiency is 10021698

Bases of 10402081

• Binary: 100111101011100100100001₂
• Hexadecimal: 0x9EB921
• Base-36: 66YAP

Squares and roots of 10402081

• 10402081 squared (10402081²) is 108203289130561
• 10402081 cubed (10402081³) is 1125539378002515097441
• The square root of 10402081 is 3225.2257285345
• The cube root of 10402081 is 218.2931345425

Scales and comparisons

• 10,402,081 seconds is equal to 17 weeks, 1 day, 9 hours, 28 minutes, 1 second.
• To count from 1 to 10,402,081 would take you about twenty-five 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 10402081 cubic inches would be around 18.2 feet tall.

Recreational maths with 10402081

• 10402081 backwards is 18020401
• The number of decimal digits it has is: 8
• The sum of 10402081's digits is 16
• More coming soon!