21050

Names of 21050

• Cardinal: 21050 can be written as Twenty-one thousand and fifty.

Scientific notation

• Scientific notation: 2.105 × 10⁴

Factors of 21050

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 428

Divisors of 21050

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 5 10 25 50 421 842 2105 4210 10525 21050
• Sum of all divisors σ(n): 39246
• Sum of proper divisors (its aliquot sum) s(n): 18196
• 21050 is a deficient number, because the sum of its proper divisors (18196) is less than itself. Its deficiency is 2854

Bases of 21050

• Binary: 101001000111010₂
• Hexadecimal: 0x523A
• Base-36: G8Q

Squares and roots of 21050

• 21050 squared (21050²) is 443102500
• 21050 cubed (21050³) is 9327307625000
• The square root of 21050 is 145.0861812855
• The cube root of 21050 is 27.6111206325

Scales and comparisons

• 21,050 seconds is equal to 5 hours, 50 minutes, 50 seconds.
• To count from 1 to 21,050 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 21050 cubic inches would be around 2.3 feet tall.

Recreational maths with 21050

• 21050 backwards is 05012
• The number of decimal digits it has is: 5
• The sum of 21050's digits is 8
• More coming soon!