# 21696

## 21,696 is an even composite number composed of three prime numbers multiplied together.

What does the number 21696 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

21696 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

## Prime factorization of 21696:

### 26 × 3 × 113

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 113)

See below for interesting mathematical facts about the number 21696 from the Numbermatics database.

### Names of 21696

• Cardinal: 21696 can be written as Twenty-one thousand, six hundred ninety-six.

### Scientific notation

• Scientific notation: 2.1696 × 104

### Factors of 21696

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 118

### Divisors of 21696

• Number of divisors d(n): 28
• Complete list of divisors:
• Sum of all divisors σ(n): 57912
• Sum of proper divisors (its aliquot sum) s(n): 36216
• 21696 is an abundant number, because the sum of its proper divisors (36216) is greater than itself. Its abundance is 14520

### Bases of 21696

• Binary: 1010100110000002
• Hexadecimal: 0x54C0
• Base-36: GQO

### Squares and roots of 21696

• 21696 squared (216962) is 470716416
• 21696 cubed (216963) is 10212663361536
• The square root of 21696 is 147.2956211161
• The cube root of 21696 is 27.8907305957

### Scales and comparisons

How big is 21696?
• 21,696 seconds is equal to 6 hours, 1 minute, 36 seconds.
• To count from 1 to 21,696 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 21696 cubic inches would be around 2.3 feet tall.

### Recreational maths with 21696

• 21696 backwards is 69612
• 21696 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 21696's digits is 24
• More coming soon!

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The information we have on file for 21696 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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