# 20820240

## 20,820,240 is an even composite number composed of five prime numbers multiplied together.

What does the number 20820240 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 320 divisors.

20820240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.

## Prime factorization of 20820240:

### 24 × 37 × 5 × 7 × 17

(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 17)

See below for interesting mathematical facts about the number 20820240 from the Numbermatics database.

### Names of 20820240

• Cardinal: 20820240 can be written as Twenty million, eight hundred twenty thousand, two hundred forty.

### Scientific notation

• Scientific notation: 2.082024 × 107

### Factors of 20820240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 34

### Divisors of 20820240

• Number of divisors d(n): 320
• Complete list of divisors:
• Sum of all divisors σ(n): 87851520
• Sum of proper divisors (its aliquot sum) s(n): 67031280
• 20820240 is an abundant number, because the sum of its proper divisors (67031280) is greater than itself. Its abundance is 46211040

### Bases of 20820240

• Binary: 10011110110110001000100002
• Base-36: CE900

### Squares and roots of 20820240

• 20820240 squared (208202402) is 433482393657600
• 20820240 cubed (208202403) is 9025207471725709824000
• The square root of 20820240 is 4562.9201176439
• The cube root of 20820240 is 275.1029476817

### Scales and comparisons

How big is 20820240?
• 20,820,240 seconds is equal to 34 weeks, 2 days, 23 hours, 24 minutes.
• To count from 1 to 20,820,240 would take you about fifty-one weeks!

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 20820240 cubic inches would be around 22.9 feet tall.

### Recreational maths with 20820240

• 20820240 backwards is 04202802
• 20820240 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20820240's digits is 18
• More coming soon!

MLA style:
"Number 20820240 - Facts about the integer". Numbermatics.com. 2022. Web. 3 July 2022.

APA style:
Numbermatics. (2022). Number 20820240 - Facts about the integer. Retrieved 3 July 2022, from https://numbermatics.com/n/20820240/

Chicago style:
Numbermatics. 2022. "Number 20820240 - Facts about the integer". https://numbermatics.com/n/20820240/

The information we have on file for 20820240 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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