# 565

## 565 is an odd composite number composed of two prime numbers multiplied together.

What does the number 565 look like?

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

565 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 565:

### 5 × 113

See below for interesting mathematical facts about the number 565 from the Numbermatics database.

### Names of 565

• Cardinal: 565 can be written as Five hundred sixty-five.

### Scientific notation

• Scientific notation: 5.65 × 102

### Factors of 565

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 118

### Divisors of 565

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 684
• Sum of proper divisors (its aliquot sum) s(n): 119
• 565 is a deficient number, because the sum of its proper divisors (119) is less than itself. Its deficiency is 446

### Bases of 565

• Binary: 10001101012
• Base-36: FP

### Squares and roots of 565

• 565 squared (5652) is 319225
• 565 cubed (5653) is 180362125
• The square root of 565 is 23.7697286481
• The cube root of 565 is 8.2670294095

### Scales and comparisons

How big is 565?
• 565 seconds is equal to 9 minutes, 25 seconds.
• To count from 1 to 565 would take you about four 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 565 cubic inches would be around 0.7 feet tall.

### Recreational maths with 565

• 565 is the same when its digits are reversed! That makes it a palindromic number.
• The number of decimal digits it has is: 3
• The sum of 565's digits is 16
• More coming soon!