# 4239

## 4,239 is an odd composite number composed of two prime numbers multiplied together.

What does the number 4239 look like?

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

4239 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 4239:

### 33 × 157

(3 × 3 × 3 × 157)

See below for interesting mathematical facts about the number 4239 from the Numbermatics database.

### Names of 4239

• Cardinal: 4239 can be written as Four thousand, two hundred thirty-nine.

### Scientific notation

• Scientific notation: 4.239 × 103

### Factors of 4239

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 160

### Divisors of 4239

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 6320
• Sum of proper divisors (its aliquot sum) s(n): 2081
• 4239 is a deficient number, because the sum of its proper divisors (2081) is less than itself. Its deficiency is 2158

### Bases of 4239

• Binary: 10000100011112
• Base-36: 39R

### Squares and roots of 4239

• 4239 squared (42392) is 17969121
• 4239 cubed (42393) is 76171103919
• The square root of 4239 is 65.1076032427
• The cube root of 4239 is 16.1840721363

### Scales and comparisons

How big is 4239?
• 4,239 seconds is equal to 1 hour, 10 minutes, 39 seconds.
• To count from 1 to 4,239 would take you about ten 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 4239 cubic inches would be around 1.3 feet tall.

### Recreational maths with 4239

• 4239 backwards is 9324
• The number of decimal digits it has is: 4
• The sum of 4239's digits is 18
• More coming soon!