# 21179

## 21,179 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 21179 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

21179 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 21179:

### 21179

See below for interesting mathematical facts about the number 21179 from the Numbermatics database.

### Names of 21179

• Cardinal: 21179 can be written as Twenty-one thousand, one hundred seventy-nine.

### Scientific notation

• Scientific notation: 2.1179 × 104

### Factors of 21179

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21179

### Divisors of 21179

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 21180
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21179 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21178

### Bases of 21179

• Binary: 1010010101110112
• Base-36: GCB

### Squares and roots of 21179

• 21179 squared (211792) is 448550041
• 21179 cubed (211793) is 9499841318339
• The square root of 21179 is 145.5300656221
• The cube root of 21179 is 27.6674085703

### Scales and comparisons

How big is 21179?
• 21,179 seconds is equal to 5 hours, 52 minutes, 59 seconds.
• To count from 1 to 21,179 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 21179 cubic inches would be around 2.3 feet tall.

### Recreational maths with 21179

• 21179 backwards is 97112
• The number of decimal digits it has is: 5
• The sum of 21179's digits is 20
• More coming soon!

MLA style:
"Number 21179 - Facts about the integer". Numbermatics.com. 2023. Web. 26 March 2023.

APA style:
Numbermatics. (2023). Number 21179 - Facts about the integer. Retrieved 26 March 2023, from https://numbermatics.com/n/21179/

Chicago style:
Numbermatics. 2023. "Number 21179 - Facts about the integer". https://numbermatics.com/n/21179/

The information we have on file for 21179 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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