# 23805

## 23,805 is an odd composite number composed of three prime numbers multiplied together.

What does the number 23805 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

23805 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

## Prime factorization of 23805:

### 32 × 5 × 232

(3 × 3 × 5 × 23 × 23)

See below for interesting mathematical facts about the number 23805 from the Numbermatics database.

### Names of 23805

• Cardinal: 23805 can be written as Twenty-three thousand, eight hundred five.

### Scientific notation

• Scientific notation: 2.3805 × 104

### Factors of 23805

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 31

### Divisors of 23805

• Number of divisors d(n): 18
• Complete list of divisors:
• Sum of all divisors σ(n): 43134
• Sum of proper divisors (its aliquot sum) s(n): 19329
• 23805 is a deficient number, because the sum of its proper divisors (19329) is less than itself. Its deficiency is 4476

### Bases of 23805

• Binary: 1011100111111012
• Base-36: ID9

### Squares and roots of 23805

• 23805 squared (238052) is 566678025
• 23805 cubed (238053) is 13489770385125
• The square root of 23805 is 154.2886904471
• The cube root of 23805 is 28.7666570141

### Scales and comparisons

How big is 23805?
• 23,805 seconds is equal to 6 hours, 36 minutes, 45 seconds.
• To count from 1 to 23,805 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 23805 cubic inches would be around 2.4 feet tall.

### Recreational maths with 23805

• 23805 backwards is 50832
• The number of decimal digits it has is: 5
• The sum of 23805's digits is 18
• More coming soon!