21426914

Names of 21426914

• Cardinal: 21426914 can be written as Twenty-one million, four hundred twenty-six thousand, nine hundred fourteen.

Scientific notation

• Scientific notation: 2.1426914 × 10⁷

Factors of 21426914

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10713459

Divisors of 21426914

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 10713457 21426914
• Sum of all divisors σ(n): 32140374
• Sum of proper divisors (its aliquot sum) s(n): 10713460
• 21426914 is a deficient number, because the sum of its proper divisors (10713460) is less than itself. Its deficiency is 10713454

Bases of 21426914

• Binary: 1010001101111001011100010₂
• Hexadecimal: 0x146F2E2
• Base-36: CR942

Squares and roots of 21426914

• 21426914 squared (21426914²) is 459112643563396
• 21426914 cubed (21426914³) is 9837367129945539639944
• The square root of 21426914 is 4628.9214726543
• The cube root of 21426914 is 277.7494507765

Scales and comparisons

• 21,426,914 seconds is equal to 35 weeks, 2 days, 23 hours, 55 minutes, 14 seconds.
• To count from 1 to 21,426,914 would take you about twenty-three hours!

  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 21426914 cubic inches would be around 23.1 feet tall.

Recreational maths with 21426914

• 21426914 backwards is 41962412
• The number of decimal digits it has is: 8
• The sum of 21426914's digits is 29
• More coming soon!