21092426

Names of 21092426

• Cardinal: 21092426 can be written as Twenty-one million, ninety-two thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 2.1092426 × 10⁷

Factors of 21092426

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 458556

Divisors of 21092426

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 23 46 458531 917062 10546213 21092426
• Sum of all divisors σ(n): 33014304
• Sum of proper divisors (its aliquot sum) s(n): 11921878
• 21092426 is a deficient number, because the sum of its proper divisors (11921878) is less than itself. Its deficiency is 9170548

Bases of 21092426

• Binary: 1010000011101100001001010₂
• Hexadecimal: 0x141D84A
• Base-36: CK30Q

Squares and roots of 21092426

• 21092426 squared (21092426²) is 444890434565476
• 21092426 cubed (21092426³) is 9383818569180144684776
• The square root of 21092426 is 4592.6491265935
• The cube root of 21092426 is 276.2965813495

Scales and comparisons

• 21,092,426 seconds is equal to 34 weeks, 6 days, 3 hours, 26 seconds.
• To count from 1 to 21,092,426 would take you about two days!

  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 21092426 cubic inches would be around 23 feet tall.

Recreational maths with 21092426

• 21092426 backwards is 62429012
• The number of decimal digits it has is: 8
• The sum of 21092426's digits is 26
• More coming soon!