# 18080640

## 18,080,640 is an even composite number composed of five prime numbers multiplied together.

What does the number 18080640 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 192 divisors.

18080640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.

## Prime factorization of 18080640:

### 27 × 32 × 5 × 43 × 73

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 43 × 73)

See below for interesting mathematical facts about the number 18080640 from the Numbermatics database.

### Names of 18080640

• Cardinal: 18080640 can be written as Eighteen million, eighty thousand, six hundred forty.

### Scientific notation

• Scientific notation: 1.808064 × 107

### Factors of 18080640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 126

### Divisors of 18080640

• Number of divisors d(n): 192
• Complete list of divisors:
• Sum of all divisors σ(n): 64761840
• Sum of proper divisors (its aliquot sum) s(n): 46681200
• 18080640 is an abundant number, because the sum of its proper divisors (46681200) is greater than itself. Its abundance is 28600560

### Bases of 18080640

• Binary: 10001001111100011100000002
• Base-36: ARJ40

### Squares and roots of 18080640

• 18080640 squared (180806402) is 326909542809600
• 18080640 cubed (180806403) is 5910733756104966144000
• The square root of 18080640 is 4252.1335820973
• The cube root of 18080640 is 262.4649204823

### Scales and comparisons

How big is 18080640?
• 18,080,640 seconds is equal to 29 weeks, 6 days, 6 hours, 24 minutes.
• To count from 1 to 18,080,640 would take you about forty-four 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 18080640 cubic inches would be around 21.9 feet tall.

### Recreational maths with 18080640

• 18080640 backwards is 04608081
• The number of decimal digits it has is: 8
• The sum of 18080640's digits is 27
• More coming soon!

MLA style:
"Number 18080640 - Facts about the integer". Numbermatics.com. 2021. Web. 22 October 2021.

APA style:
Numbermatics. (2021). Number 18080640 - Facts about the integer. Retrieved 22 October 2021, from https://numbermatics.com/n/18080640/

Chicago style:
Numbermatics. 2021. "Number 18080640 - Facts about the integer". https://numbermatics.com/n/18080640/

The information we have on file for 18080640 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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