20247

Names of 20247

• Cardinal: 20247 can be written as Twenty thousand, two hundred forty-seven.

Scientific notation

• Scientific notation: 2.0247 × 10⁴

Factors of 20247

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 417

Divisors of 20247

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 17 51 397 1191 6749 20247
• Sum of all divisors σ(n): 28656
• Sum of proper divisors (its aliquot sum) s(n): 8409
• 20247 is a deficient number, because the sum of its proper divisors (8409) is less than itself. Its deficiency is 11838

Bases of 20247

• Binary: 100111100010111₂
• Hexadecimal: 0x4F17
• Base-36: FMF

Squares and roots of 20247

• 20247 squared (20247²) is 409941009
• 20247 cubed (20247³) is 8300075609223
• The square root of 20247 is 142.2919533917
• The cube root of 20247 is 27.2554628109

Scales and comparisons

• 20,247 seconds is equal to 5 hours, 37 minutes, 27 seconds.
• To count from 1 to 20,247 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 20247 cubic inches would be around 2.3 feet tall.

Recreational maths with 20247

• 20247 backwards is 74202
• The number of decimal digits it has is: 5
• The sum of 20247's digits is 15
• More coming soon!