21383

Names of 21383

• Cardinal: 21383 can be written as Twenty-one thousand, three hundred eighty-three.

Scientific notation

• Scientific notation: 2.1383 × 10⁴

Factors of 21383

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21383

Divisors of 21383

• Number of divisors d(n): 2
• Complete list of divisors:
  1 21383
• Sum of all divisors σ(n): 21384
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21383 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21382

Bases of 21383

• Binary: 101001110000111₂
• Hexadecimal: 0x5387
• Base-36: GHZ

Squares and roots of 21383

• 21383 squared (21383²) is 457232689
• 21383 cubed (21383³) is 9777006588887
• The square root of 21383 is 146.2292720353
• The cube root of 21383 is 27.7559573823

Scales and comparisons

• 21,383 seconds is equal to 5 hours, 56 minutes, 23 seconds.
• To count from 1 to 21,383 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 21383 cubic inches would be around 2.3 feet tall.

Recreational maths with 21383

• 21383 backwards is 38312
• The number of decimal digits it has is: 5
• The sum of 21383's digits is 17
• More coming soon!