# 5805

## 5,805 is an odd composite number composed of three prime numbers multiplied together.

What does the number 5805 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

5805 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 5805:

### 33 × 5 × 43

(3 × 3 × 3 × 5 × 43)

See below for interesting mathematical facts about the number 5805 from the Numbermatics database.

### Names of 5805

• Cardinal: 5805 can be written as Five thousand, eight hundred five.

### Scientific notation

• Scientific notation: 5.805 × 103

### Factors of 5805

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 51

### Divisors of 5805

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 10560
• Sum of proper divisors (its aliquot sum) s(n): 4755
• 5805 is a deficient number, because the sum of its proper divisors (4755) is less than itself. Its deficiency is 1050

### Bases of 5805

• Binary: 10110101011012
• Base-36: 4H9

### Squares and roots of 5805

• 5805 squared (58052) is 33698025
• 5805 cubed (58053) is 195617035125
• The square root of 5805 is 76.1905505955
• The cube root of 5805 is 17.9721792447

### Scales and comparisons

How big is 5805?
• 5,805 seconds is equal to 1 hour, 36 minutes, 45 seconds.
• To count from 1 to 5,805 would take you about thirty-six minutes.

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 5805 cubic inches would be around 1.5 feet tall.

### Recreational maths with 5805

• 5805 backwards is 5085
• The number of decimal digits it has is: 4
• The sum of 5805's digits is 18
• More coming soon!