21744429

Names of 21744429

• Cardinal: 21744429 can be written as Twenty-one million, seven hundred forty-four thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1744429 × 10⁷

Factors of 21744429

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1035459

Divisors of 21744429

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 7 21 1035449 3106347 7248143 21744429
• Sum of all divisors σ(n): 33134400
• Sum of proper divisors (its aliquot sum) s(n): 11389971
• 21744429 is a deficient number, because the sum of its proper divisors (11389971) is less than itself. Its deficiency is 10354458

Bases of 21744429

• Binary: 1010010111100101100101101₂
• Hexadecimal: 0x14BCB2D
• Base-36: CY23X

Squares and roots of 21744429

• 21744429 squared (21744429²) is 472820192536041
• 21744429 cubed (21744429³) is 10281205106366273465589
• The square root of 21744429 is 4663.0922144003
• The cube root of 21744429 is 279.1146738945

Scales and comparisons

• 21,744,429 seconds is equal to 35 weeks, 6 days, 16 hours, 7 minutes, 9 seconds.
• To count from 1 to 21,744,429 would take you about six 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 21744429 cubic inches would be around 23.3 feet tall.

Recreational maths with 21744429

• 21744429 backwards is 92444712
• The number of decimal digits it has is: 8
• The sum of 21744429's digits is 33
• More coming soon!