# 20520

## 20,520 is an even composite number composed of four prime numbers multiplied together.

What does the number 20520 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 64 divisors.

20520 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.

## Prime factorization of 20520:

### 23 × 33 × 5 × 19

(2 × 2 × 2 × 3 × 3 × 3 × 5 × 19)

See below for interesting mathematical facts about the number 20520 from the Numbermatics database.

### Names of 20520

• Cardinal: 20520 can be written as Twenty thousand, five hundred twenty.

### Scientific notation

• Scientific notation: 2.052 × 104

### Factors of 20520

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 29

### Divisors of 20520

• Number of divisors d(n): 64
• Complete list of divisors:
• Sum of all divisors σ(n): 72000
• Sum of proper divisors (its aliquot sum) s(n): 51480
• 20520 is an abundant number, because the sum of its proper divisors (51480) is greater than itself. Its abundance is 30960

### Bases of 20520

• Binary: 1010000001010002
• Base-36: FU0

### Squares and roots of 20520

• 20520 squared (205202) is 421070400
• 20520 cubed (205203) is 8640364608000
• The square root of 20520 is 143.2480366359
• The cube root of 20520 is 27.3774158123

### Scales and comparisons

How big is 20520?
• 20,520 seconds is equal to 5 hours, 42 minutes.
• To count from 1 to 20,520 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 20520 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20520

• 20520 backwards is 02502
• 20520 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 20520's digits is 9
• More coming soon!

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The information we have on file for 20520 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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