20493

20,493 is an odd composite number composed of three prime numbers multiplied together.

What does the number 20493 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

20493 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 20493:

3⁴ × 11 × 23

(3 × 3 × 3 × 3 × 11 × 23)

See below for interesting mathematical facts about the number 20493 from the Numbermatics database.

Names of 20493

Cardinal: 20493 can be written as Twenty thousand, four hundred ninety-three.

Scientific notation

Scientific notation: 2.0493 × 10⁴

Factors of 20493

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 37

Divisors of 20493

Number of divisors d(n): 20
Complete list of divisors:
1 3 9 11 23 27 33 69 81 99 207 253 297 621 759 891 1863 2277 6831 20493
Sum of all divisors σ(n): 34848
Sum of proper divisors (its aliquot sum) s(n): 14355
20493 is a deficient number, because the sum of its proper divisors (14355) is less than itself. Its deficiency is 6138

Bases of 20493

Binary: 101000000001101₂
Hexadecimal: 0x500D
Base-36: FT9

Squares and roots of 20493

20493 squared (20493²) is 419963049
20493 cubed (20493³) is 8606302763157
The square root of 20493 is 143.1537634853
The cube root of 20493 is 27.3654029033

Scales and comparisons

How big is 20493?

20,493 seconds is equal to 5 hours, 41 minutes, 33 seconds.
To count from 1 to 20,493 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 20493 cubic inches would be around 2.3 feet tall.

Recreational maths with 20493

20493 backwards is 39402
The number of decimal digits it has is: 5
The sum of 20493's digits is 18
More coming soon!

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The information we have on file for 20493 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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