20992

20,992 is an even composite number composed of two prime numbers multiplied together.

What does the number 20992 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 20 divisors.

20992 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 20992:

2⁹ × 41

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 41)

See below for interesting mathematical facts about the number 20992 from the Numbermatics database.

Names of 20992

Cardinal: 20992 can be written as Twenty thousand, nine hundred ninety-two.

Scientific notation

Scientific notation: 2.0992 × 10⁴

Factors of 20992

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 10
Sum of prime factors: 43

Divisors of 20992

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 16 32 41 64 82 128 164 256 328 512 656 1312 2624 5248 10496 20992
Sum of all divisors σ(n): 42966
Sum of proper divisors (its aliquot sum) s(n): 21974
20992 is an abundant number, because the sum of its proper divisors (21974) is greater than itself. Its abundance is 982

Bases of 20992

Binary: 101001000000000₂
Hexadecimal: 0x5200
Base-36: G74

Squares and roots of 20992

20992 squared (20992²) is 440664064
20992 cubed (20992³) is 9250420031488
The square root of 20992 is 144.8861622103
The cube root of 20992 is 27.5857379229

Scales and comparisons

How big is 20992?

20,992 seconds is equal to 5 hours, 49 minutes, 52 seconds.
To count from 1 to 20,992 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 20992 cubic inches would be around 2.3 feet tall.

Recreational maths with 20992

20992 backwards is 29902
The number of decimal digits it has is: 5
The sum of 20992's digits is 22
More coming soon!

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The information we have on file for 20992 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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