# 365

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

What does the number 365 look like?

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

365 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 365:

### 5 × 73

See below for interesting mathematical facts about the number 365 from the Numbermatics database.

### Names of 365

• Cardinal: 365 can be written as Three hundred sixty-five.

### Scientific notation

• Scientific notation: 3.65 × 102

### Factors of 365

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 78

### Divisors of 365

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 444
• Sum of proper divisors (its aliquot sum) s(n): 79
• 365 is a deficient number, because the sum of its proper divisors (79) is less than itself. Its deficiency is 286

### Bases of 365

• Binary: 1011011012
• Base-36: A5

### Squares and roots of 365

• 365 squared (3652) is 133225
• 365 cubed (3653) is 48627125
• The square root of 365 is 19.1049731747
• The cube root of 365 is 7.1465694989

### Scales and comparisons

How big is 365?
• 365 seconds is equal to 6 minutes, 5 seconds.
• To count from 1 to 365 would take you about three 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 365 cubic inches would be around 0.6 feet tall.

### Recreational maths with 365

• 365 backwards is 563
• The number of decimal digits it has is: 3
• The sum of 365's digits is 14
• More coming soon!