# 22491

## 22,491 is an odd composite number composed of three prime numbers multiplied together.

What does the number 22491 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

22491 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 22491:

### 33 × 72 × 17

(3 × 3 × 3 × 7 × 7 × 17)

See below for interesting mathematical facts about the number 22491 from the Numbermatics database.

### Names of 22491

• Cardinal: 22491 can be written as Twenty-two thousand, four hundred ninety-one.

### Scientific notation

• Scientific notation: 2.2491 × 104

### Factors of 22491

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 27

### Divisors of 22491

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 41040
• Sum of proper divisors (its aliquot sum) s(n): 18549
• 22491 is a deficient number, because the sum of its proper divisors (18549) is less than itself. Its deficiency is 3942

### Bases of 22491

• Binary: 1010111110110112
• Base-36: HCR

### Squares and roots of 22491

• 22491 squared (224912) is 505845081
• 22491 cubed (224913) is 11376961716771
• The square root of 22491 is 149.9699969994
• The cube root of 22491 is 28.2273162203

### Scales and comparisons

How big is 22491?
• 22,491 seconds is equal to 6 hours, 14 minutes, 51 seconds.
• To count from 1 to 22,491 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 22491 cubic inches would be around 2.4 feet tall.

### Recreational maths with 22491

• 22491 backwards is 19422
• The number of decimal digits it has is: 5
• The sum of 22491's digits is 18
• More coming soon!

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The information we have on file for 22491 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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