# 361

## 361 is an odd composite number. It is composed of a single prime number multiplied by itself.

What does the number 361 look like?

This visualization shows the relationship between its 1 prime factors (large circles) and 3 divisors.

361 is an odd composite number. It has a total of three divisors.

## Prime factorization of 361:

### 192

(19 × 19)

See below for interesting mathematical facts about the number 361 from the Numbermatics database.

### Names of 361

• Cardinal: 361 can be written as Three hundred sixty-one.

### Scientific notation

• Scientific notation: 3.61 × 102

### Factors of 361

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 19

### Divisors of 361

• Number of divisors d(n): 3
• Complete list of divisors:
• Sum of all divisors σ(n): 381
• Sum of proper divisors (its aliquot sum) s(n): 20
• 361 is a deficient number, because the sum of its proper divisors (20) is less than itself. Its deficiency is 341

### Bases of 361

• Binary: 1011010012
• Base-36: A1

### Squares and roots of 361

• 361 squared (3612) is 130321
• 361 cubed (3613) is 47045881
• 361 is a perfect square number. Its square root is 19
• The cube root of 361 is 7.1203673589

### Scales and comparisons

How big is 361?
• 361 seconds is equal to 6 minutes, 1 second.
• To count from 1 to 361 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 361 cubic inches would be around 0.6 feet tall.

### Recreational maths with 361

• 361 backwards is 163
• The number of decimal digits it has is: 3
• The sum of 361's digits is 10
• More coming soon!