21044

Names of 21044

• Cardinal: 21044 can be written as Twenty-one thousand and forty-four.

Scientific notation

• Scientific notation: 2.1044 × 10⁴

Factors of 21044

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 5263

Divisors of 21044

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 5261 10522 21044
• Sum of all divisors σ(n): 36834
• Sum of proper divisors (its aliquot sum) s(n): 15790
• 21044 is a deficient number, because the sum of its proper divisors (15790) is less than itself. Its deficiency is 5254

Bases of 21044

• Binary: 101001000110100₂
• Hexadecimal: 0x5234
• Base-36: G8K

Squares and roots of 21044

• 21044 squared (21044²) is 442849936
• 21044 cubed (21044³) is 9319334053184
• The square root of 21044 is 145.0655024465
• The cube root of 21044 is 27.6084969987

Scales and comparisons

• 21,044 seconds is equal to 5 hours, 50 minutes, 44 seconds.
• To count from 1 to 21,044 would take you about five 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 21044 cubic inches would be around 2.3 feet tall.

Recreational maths with 21044

• 21044 backwards is 44012
• The number of decimal digits it has is: 5
• The sum of 21044's digits is 11
• More coming soon!