# 21331242

## 21,331,242 is an even composite number composed of three prime numbers multiplied together.

What does the number 21331242 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

21331242 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 21331242:

### 2 × 33 × 395023

(2 × 3 × 3 × 3 × 395023)

See below for interesting mathematical facts about the number 21331242 from the Numbermatics database.

### Names of 21331242

• Cardinal: 21331242 can be written as Twenty-one million, three hundred thirty-one thousand, two hundred forty-two.

### Scientific notation

• Scientific notation: 2.1331242 × 107

### Factors of 21331242

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 395028

### Divisors of 21331242

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 47402880
• Sum of proper divisors (its aliquot sum) s(n): 26071638
• 21331242 is an abundant number, because the sum of its proper divisors (26071638) is greater than itself. Its abundance is 4740396

### Bases of 21331242

• Binary: 10100010101111101001010102
• Base-36: CP7AI

### Squares and roots of 21331242

• 21331242 squared (213312422) is 455021885262564
• 21331242 cubed (213312423) is 9706181949831986224488
• The square root of 21331242 is 4618.5757544941
• The cube root of 21331242 is 277.3354466345

### Scales and comparisons

How big is 21331242?
• 21,331,242 seconds is equal to 35 weeks, 1 day, 21 hours, 20 minutes, 42 seconds.
• To count from 1 to 21,331,242 would take you about six days!

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 21331242 cubic inches would be around 23.1 feet tall.

### Recreational maths with 21331242

• 21331242 backwards is 24213312
• 21331242 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21331242's digits is 18
• More coming soon!

MLA style:
"Number 21331242 - Facts about the integer". Numbermatics.com. 2021. Web. 4 December 2021.

APA style:
Numbermatics. (2021). Number 21331242 - Facts about the integer. Retrieved 4 December 2021, from https://numbermatics.com/n/21331242/

Chicago style:
Numbermatics. 2021. "Number 21331242 - Facts about the integer". https://numbermatics.com/n/21331242/

The information we have on file for 21331242 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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