# 369

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

What does the number 369 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

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

## Prime factorization of 369:

### 32 × 41

(3 × 3 × 41)

See below for interesting mathematical facts about the number 369 from the Numbermatics database.

### Names of 369

• Cardinal: 369 can be written as Three hundred sixty-nine.

### Scientific notation

• Scientific notation: 3.69 × 102

### Factors of 369

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 44

### Divisors of 369

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 546
• Sum of proper divisors (its aliquot sum) s(n): 177
• 369 is a deficient number, because the sum of its proper divisors (177) is less than itself. Its deficiency is 192

### Bases of 369

• Binary: 1011100012
• Base-36: A9

### Squares and roots of 369

• 369 squared (3692) is 136161
• 369 cubed (3693) is 50243409
• The square root of 369 is 19.2093727123
• The cube root of 369 is 7.1725809001

### Scales and comparisons

How big is 369?
• 369 seconds is equal to 6 minutes, 9 seconds.
• To count from 1 to 369 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 369 cubic inches would be around 0.6 feet tall.

### Recreational maths with 369

• 369 backwards is 963
• The number of decimal digits it has is: 3
• The sum of 369's digits is 18
• More coming soon!