21144017

Names of 21144017

• Cardinal: 21144017 can be written as Twenty-one million, one hundred forty-four thousand and seventeen.

Scientific notation

• Scientific notation: 2.1144017 × 10⁷

Factors of 21144017

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6415

Divisors of 21144017

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19 179 3401 6217 118123 1112843 21144017
• Sum of all divisors σ(n): 22384800
• Sum of proper divisors (its aliquot sum) s(n): 1240783
• 21144017 is a deficient number, because the sum of its proper divisors (1240783) is less than itself. Its deficiency is 19903234

Bases of 21144017

• Binary: 1010000101010000111010001₂
• Hexadecimal: 0x142A1D1
• Base-36: CL6TT

Squares and roots of 21144017

• 21144017 squared (21144017²) is 447069454896289
• 21144017 cubed (21144017³) is 9452844154507867852913
• The square root of 21144017 is 4598.2623892075
• The cube root of 21144017 is 276.5216670561

Scales and comparisons

• 21,144,017 seconds is equal to 34 weeks, 6 days, 17 hours, 20 minutes, 17 seconds.
• To count from 1 to 21,144,017 would take you about three 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 21144017 cubic inches would be around 23 feet tall.

Recreational maths with 21144017

• 21144017 backwards is 71044112
• The number of decimal digits it has is: 8
• The sum of 21144017's digits is 20
• More coming soon!