21059

Names of 21059

• Cardinal: 21059 can be written as Twenty-one thousand and fifty-nine.

Scientific notation

• Scientific notation: 2.1059 × 10⁴

Factors of 21059

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21059

Divisors of 21059

• Number of divisors d(n): 2
• Complete list of divisors:
  1 21059
• Sum of all divisors σ(n): 21060
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21059 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21058

Bases of 21059

• Binary: 101001001000011₂
• Hexadecimal: 0x5243
• Base-36: G8Z

Squares and roots of 21059

• 21059 squared (21059²) is 443481481
• 21059 cubed (21059³) is 9339276508379
• The square root of 21059 is 145.1171940191
• The cube root of 21059 is 27.6150551483

Scales and comparisons

• 21,059 seconds is equal to 5 hours, 50 minutes, 59 seconds.
• To count from 1 to 21,059 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 21059 cubic inches would be around 2.3 feet tall.

Recreational maths with 21059

• 21059 backwards is 95012
• 21059 is a twin prime! Its twin is 21061
• The number of decimal digits it has is: 5
• The sum of 21059's digits is 17
• More coming soon!