20925

20,925 is an odd composite number composed of three prime numbers multiplied together.

What does the number 20925 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

20925 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 20925:

3³ × 5² × 31

(3 × 3 × 3 × 5 × 5 × 31)

See below for interesting mathematical facts about the number 20925 from the Numbermatics database.

Names of 20925

Cardinal: 20925 can be written as Twenty thousand, nine hundred twenty-five.

Scientific notation

Scientific notation: 2.0925 × 10⁴

Factors of 20925

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 39

Divisors of 20925

Number of divisors d(n): 24
Complete list of divisors:
1 3 5 9 15 25 27 31 45 75 93 135 155 225 279 465 675 775 837 1395 2325 4185 6975 20925
Sum of all divisors σ(n): 39680
Sum of proper divisors (its aliquot sum) s(n): 18755
20925 is a deficient number, because the sum of its proper divisors (18755) is less than itself. Its deficiency is 2170

Bases of 20925

Binary: 101000110111101₂
Hexadecimal: 0x51BD
Base-36: G59

Squares and roots of 20925

20925 squared (20925²) is 437855625
20925 cubed (20925³) is 9162128953125
The square root of 20925 is 144.6547614147
The cube root of 20925 is 27.5563582503

Scales and comparisons

How big is 20925?

20,925 seconds is equal to 5 hours, 48 minutes, 45 seconds.
To count from 1 to 20,925 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 20925 cubic inches would be around 2.3 feet tall.

Recreational maths with 20925

20925 backwards is 52902
The number of decimal digits it has is: 5
The sum of 20925's digits is 18
More coming soon!

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The information we have on file for 20925 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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