# 21670

## 21,670 is an even composite number composed of four prime numbers multiplied together.

What does the number 21670 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21670 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 21670:

### 2 × 5 × 11 × 197

See below for interesting mathematical facts about the number 21670 from the Numbermatics database.

### Names of 21670

• Cardinal: 21670 can be written as Twenty-one thousand, six hundred seventy.

### Scientific notation

• Scientific notation: 2.167 × 104

### Factors of 21670

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 215

### Divisors of 21670

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 42768
• Sum of proper divisors (its aliquot sum) s(n): 21098
• 21670 is a deficient number, because the sum of its proper divisors (21098) is less than itself. Its deficiency is 572

### Bases of 21670

• Binary: 1010100101001102
• Base-36: GPY

### Squares and roots of 21670

• 21670 squared (216702) is 469588900
• 21670 cubed (216703) is 10175991463000
• The square root of 21670 is 147.2073367737
• The cube root of 21670 is 27.8795849335

### Scales and comparisons

How big is 21670?
• 21,670 seconds is equal to 6 hours, 1 minute, 10 seconds.
• To count from 1 to 21,670 would take you about six 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 21670 cubic inches would be around 2.3 feet tall.

### Recreational maths with 21670

• 21670 backwards is 07612
• The number of decimal digits it has is: 5
• The sum of 21670's digits is 16
• More coming soon!

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"Number 21670 - Facts about the integer". Numbermatics.com. 2022. Web. 9 August 2022.

APA style:
Numbermatics. (2022). Number 21670 - Facts about the integer. Retrieved 9 August 2022, from https://numbermatics.com/n/21670/

Chicago style:
Numbermatics. 2022. "Number 21670 - Facts about the integer". https://numbermatics.com/n/21670/

The information we have on file for 21670 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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