# 39992

## 39,992 is an even composite number composed of two prime numbers multiplied together.

What does the number 39992 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

39992 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 39992:

### 23 × 4999

(2 × 2 × 2 × 4999)

See below for interesting mathematical facts about the number 39992 from the Numbermatics database.

### Names of 39992

• Cardinal: 39992 can be written as Thirty-nine thousand, nine hundred ninety-two.

### Scientific notation

• Scientific notation: 3.9992 × 104

### Factors of 39992

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 5001

### Divisors of 39992

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 75000
• Sum of proper divisors (its aliquot sum) s(n): 35008
• 39992 is a deficient number, because the sum of its proper divisors (35008) is less than itself. Its deficiency is 4984

### Bases of 39992

• Binary: 10011100001110002
• Base-36: UUW

### Squares and roots of 39992

• 39992 squared (399922) is 1599360064
• 39992 cubed (399923) is 63961607679488
• The square root of 39992 is 199.9799989999
• The cube root of 39992 is 34.1972388135

### Scales and comparisons

How big is 39992?
• 39,992 seconds is equal to 11 hours, 6 minutes, 32 seconds.
• To count from 1 to 39,992 would take you about eleven hours.

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 39992 cubic inches would be around 2.8 feet tall.

### Recreational maths with 39992

• 39992 backwards is 29993
• The number of decimal digits it has is: 5
• The sum of 39992's digits is 32
• More coming soon!