# 20900

## 20,900 is an even composite number composed of four prime numbers multiplied together.

What does the number 20900 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

20900 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

## Prime factorization of 20900:

### 22 × 52 × 11 × 19

(2 × 2 × 5 × 5 × 11 × 19)

See below for interesting mathematical facts about the number 20900 from the Numbermatics database.

### Names of 20900

• Cardinal: 20900 can be written as Twenty thousand, nine hundred.

### Scientific notation

• Scientific notation: 2.09 × 104

### Factors of 20900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 37

### Divisors of 20900

• Number of divisors d(n): 36
• Complete list of divisors:
• Sum of all divisors σ(n): 52080
• Sum of proper divisors (its aliquot sum) s(n): 31180
• 20900 is an abundant number, because the sum of its proper divisors (31180) is greater than itself. Its abundance is 10280

### Bases of 20900

• Binary: 1010001101001002
• Base-36: G4K

### Squares and roots of 20900

• 20900 squared (209002) is 436810000
• 20900 cubed (209003) is 9129329000000
• The square root of 20900 is 144.5683229481
• The cube root of 20900 is 27.5453796203

### Scales and comparisons

How big is 20900?
• 20,900 seconds is equal to 5 hours, 48 minutes, 20 seconds.
• To count from 1 to 20,900 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 20900 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20900

• 20900 backwards is 00902
• 20900 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 20900's digits is 11
• More coming soon!

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"Number 20900 - Facts about the integer". Numbermatics.com. 2022. Web. 25 May 2022.

APA style:
Numbermatics. (2022). Number 20900 - Facts about the integer. Retrieved 25 May 2022, from https://numbermatics.com/n/20900/

Chicago style:
Numbermatics. 2022. "Number 20900 - Facts about the integer". https://numbermatics.com/n/20900/

The information we have on file for 20900 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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