# 72438

## 72,438 is an even composite number composed of three prime numbers multiplied together.

What does the number 72438 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

72438 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 72438:

### 2 × 3 × 12073

See below for interesting mathematical facts about the number 72438 from the Numbermatics database.

### Names of 72438

• Cardinal: 72438 can be written as Seventy-two thousand, four hundred thirty-eight.

### Scientific notation

• Scientific notation: 7.2438 × 104

### Factors of 72438

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 12078

### Divisors of 72438

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 144888
• Sum of proper divisors (its aliquot sum) s(n): 72450
• 72438 is an abundant number, because the sum of its proper divisors (72450) is greater than itself. Its abundance is 12

### Bases of 72438

• Binary: 100011010111101102
• Base-36: 1JW6

### Squares and roots of 72438

• 72438 squared (724382) is 5247263844
• 72438 cubed (724383) is 380101298331672
• The square root of 72438 is 269.1430846223
• The cube root of 72438 is 41.6858649307

### Scales and comparisons

How big is 72438?
• 72,438 seconds is equal to 20 hours, 7 minutes, 18 seconds.
• To count from 1 to 72,438 would take you about twenty 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 72438 cubic inches would be around 3.5 feet tall.

### Recreational maths with 72438

• 72438 backwards is 83427
• The number of decimal digits it has is: 5
• The sum of 72438's digits is 24
• More coming soon!