20849

Names of 20849

• Cardinal: 20849 can be written as Twenty thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 2.0849 × 10⁴

Factors of 20849

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 20849

Divisors of 20849

• Number of divisors d(n): 2
• Complete list of divisors:
  1 20849
• Sum of all divisors σ(n): 20850
• Sum of proper divisors (its aliquot sum) s(n): 1
• 20849 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 20848

Bases of 20849

• Binary: 101000101110001₂
• Hexadecimal: 0x5171
• Base-36: G35

Squares and roots of 20849

• 20849 squared (20849²) is 434680801
• 20849 cubed (20849³) is 9062660020049
• The square root of 20849 is 144.3918280237
• The cube root of 20849 is 27.5229560383

Scales and comparisons

• 20,849 seconds is equal to 5 hours, 47 minutes, 29 seconds.
• To count from 1 to 20,849 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 20849 cubic inches would be around 2.3 feet tall.

Recreational maths with 20849

• 20849 backwards is 94802
• The number of decimal digits it has is: 5
• The sum of 20849's digits is 23
• More coming soon!