20168

Names of 20168

• Cardinal: 20168 can be written as Twenty thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0168 × 10⁴

Factors of 20168

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2523

Divisors of 20168

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 4 8 2521 5042 10084 20168
• Sum of all divisors σ(n): 37830
• Sum of proper divisors (its aliquot sum) s(n): 17662
• 20168 is a deficient number, because the sum of its proper divisors (17662) is less than itself. Its deficiency is 2506

Bases of 20168

• Binary: 100111011001000₂
• Hexadecimal: 0x4EC8
• Base-36: FK8

Squares and roots of 20168

• 20168 squared (20168²) is 406748224
• 20168 cubed (20168³) is 8203298181632
• The square root of 20168 is 142.0140838087
• The cube root of 20168 is 27.2199680365

Scales and comparisons

• 20,168 seconds is equal to 5 hours, 36 minutes, 8 seconds.
• To count from 1 to 20,168 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 20168 cubic inches would be around 2.3 feet tall.

Recreational maths with 20168

• 20168 backwards is 86102
• The number of decimal digits it has is: 5
• The sum of 20168's digits is 17
• More coming soon!