# 23191

## 23,191 is an odd composite number composed of two prime numbers multiplied together.

What does the number 23191 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

23191 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 23191:

### 7 × 3313

See below for interesting mathematical facts about the number 23191 from the Numbermatics database.

### Names of 23191

• Cardinal: 23191 can be written as Twenty-three thousand, one hundred ninety-one.

### Scientific notation

• Scientific notation: 2.3191 × 104

### Factors of 23191

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3320

### Divisors of 23191

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 26512
• Sum of proper divisors (its aliquot sum) s(n): 3321
• 23191 is a deficient number, because the sum of its proper divisors (3321) is less than itself. Its deficiency is 19870

### Bases of 23191

• Binary: 1011010100101112
• Base-36: HW7

### Squares and roots of 23191

• 23191 squared (231912) is 537822481
• 23191 cubed (231913) is 12472641156871
• The square root of 23191 is 152.2859153041
• The cube root of 23191 is 28.5171744233

### Scales and comparisons

How big is 23191?
• 23,191 seconds is equal to 6 hours, 26 minutes, 31 seconds.
• To count from 1 to 23,191 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 23191 cubic inches would be around 2.4 feet tall.

### Recreational maths with 23191

• 23191 backwards is 19132
• The number of decimal digits it has is: 5
• The sum of 23191's digits is 16
• More coming soon!