21225214

Names of 21225214

• Cardinal: 21225214 can be written as Twenty-one million, two hundred twenty-five thousand, two hundred fourteen.

Scientific notation

• Scientific notation: 2.1225214 × 10⁷

Factors of 21225214

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 624290

Divisors of 21225214

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 17 34 624271 1248542 10612607 21225214
• Sum of all divisors σ(n): 33710688
• Sum of proper divisors (its aliquot sum) s(n): 12485474
• 21225214 is a deficient number, because the sum of its proper divisors (12485474) is less than itself. Its deficiency is 8739740

Bases of 21225214

• Binary: 1010000111101111011111110₂
• Hexadecimal: 0x143DEFE
• Base-36: CMXHA

Squares and roots of 21225214

• 21225214 squared (21225214²) is 450509709345796
• 21225214 cubed (21225214³) is 9562164989942320100344
• The square root of 21225214 is 4607.0830250821
• The cube root of 21225214 is 276.8751799839

Scales and comparisons

• 21,225,214 seconds is equal to 35 weeks, 15 hours, 53 minutes, 34 seconds.
• To count from 1 to 21,225,214 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 21225214 cubic inches would be around 23.1 feet tall.

Recreational maths with 21225214

• 21225214 backwards is 41252212
• The number of decimal digits it has is: 8
• The sum of 21225214's digits is 19
• More coming soon!