# 42440

## 42,440 is an even composite number composed of three prime numbers multiplied together.

What does the number 42440 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

42440 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 42440:

### 23 × 5 × 1061

(2 × 2 × 2 × 5 × 1061)

See below for interesting mathematical facts about the number 42440 from the Numbermatics database.

### Names of 42440

• Cardinal: 42440 can be written as Forty-two thousand, four hundred forty.

### Scientific notation

• Scientific notation: 4.244 × 104

### Factors of 42440

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1068

### Divisors of 42440

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 95580
• Sum of proper divisors (its aliquot sum) s(n): 53140
• 42440 is an abundant number, because the sum of its proper divisors (53140) is greater than itself. Its abundance is 10700

### Bases of 42440

• Binary: 10100101110010002
• Base-36: WQW

### Squares and roots of 42440

• 42440 squared (424402) is 1801153600
• 42440 cubed (424403) is 76440958784000
• The square root of 42440 is 206.0097085093
• The cube root of 42440 is 34.8812300719

### Scales and comparisons

How big is 42440?
• 42,440 seconds is equal to 11 hours, 47 minutes, 20 seconds.
• To count from 1 to 42,440 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 42440 cubic inches would be around 2.9 feet tall.

### Recreational maths with 42440

• 42440 backwards is 04424
• The number of decimal digits it has is: 5
• The sum of 42440's digits is 14
• More coming soon!