# 939

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

What does the number 939 look like?

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

939 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 939:

### 3 × 313

See below for interesting mathematical facts about the number 939 from the Numbermatics database.

### Names of 939

• Cardinal: 939 can be written as Nine hundred thirty-nine.

### Scientific notation

• Scientific notation: 9.39 × 102

### Factors of 939

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 316

### Divisors of 939

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1256
• Sum of proper divisors (its aliquot sum) s(n): 317
• 939 is a deficient number, because the sum of its proper divisors (317) is less than itself. Its deficiency is 622

### Bases of 939

• Binary: 11101010112
• Base-36: Q3

### Squares and roots of 939

• 939 squared (9392) is 881721
• 939 cubed (9393) is 827936019
• The square root of 939 is 30.6431068921
• The cube root of 939 is 9.7923861451

### Scales and comparisons

How big is 939?
• 939 seconds is equal to 15 minutes, 39 seconds.
• To count from 1 to 939 would take you about seven 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 939 cubic inches would be around 0.8 feet tall.

### Recreational maths with 939

• 939 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 939's digits is 21
• More coming soon!