21226970

Names of 21226970

• Cardinal: 21226970 can be written as Twenty-one million, two hundred twenty-six thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 2.122697 × 10⁷

Factors of 21226970

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2122704

Divisors of 21226970

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 2122697 4245394 10613485 21226970
• Sum of all divisors σ(n): 38208564
• Sum of proper divisors (its aliquot sum) s(n): 16981594
• 21226970 is a deficient number, because the sum of its proper divisors (16981594) is less than itself. Its deficiency is 4245376

Bases of 21226970

• Binary: 1010000111110010111011010₂
• Hexadecimal: 0x143E5DA
• Base-36: CMYU2

Squares and roots of 21226970

• 21226970 squared (21226970²) is 450584255380900
• 21226970 cubed (21226970³) is 9564538471442702873000
• The square root of 21226970 is 4607.2735972589
• The cube root of 21226970 is 276.8828152333

Scales and comparisons

• 21,226,970 seconds is equal to 35 weeks, 16 hours, 22 minutes, 50 seconds.
• To count from 1 to 21,226,970 would take you about four 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 21226970 cubic inches would be around 23.1 feet tall.

Recreational maths with 21226970

• 21226970 backwards is 07962212
• The number of decimal digits it has is: 8
• The sum of 21226970's digits is 29
• More coming soon!