21325

21,325 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21325 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

21325 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 21325:

5² × 853

(5 × 5 × 853)

See below for interesting mathematical facts about the number 21325 from the Numbermatics database.

Names of 21325

Cardinal: 21325 can be written as Twenty-one thousand, three hundred twenty-five.

Scientific notation

Scientific notation: 2.1325 × 10⁴

Factors of 21325

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 858

Divisors of 21325

Number of divisors d(n): 6
Complete list of divisors:
1 5 25 853 4265 21325
Sum of all divisors σ(n): 26474
Sum of proper divisors (its aliquot sum) s(n): 5149
21325 is a deficient number, because the sum of its proper divisors (5149) is less than itself. Its deficiency is 16176

Bases of 21325

Binary: 101001101001101₂
Hexadecimal: 0x534D
Base-36: GGD

Squares and roots of 21325

21325 squared (21325²) is 454755625
21325 cubed (21325³) is 9697663703125
The square root of 21325 is 146.0308186653
The cube root of 21325 is 27.7308392471

Scales and comparisons

How big is 21325?

21,325 seconds is equal to 5 hours, 55 minutes, 25 seconds.
To count from 1 to 21,325 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 21325 cubic inches would be around 2.3 feet tall.

Recreational maths with 21325

21325 backwards is 52312
The number of decimal digits it has is: 5
The sum of 21325's digits is 13
More coming soon!

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The information we have on file for 21325 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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