# 728272

## 728,272 is an even composite number composed of three prime numbers multiplied together.

What does the number 728272 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

728272 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

## Prime factorization of 728272:

### 24 × 23 × 1979

(2 × 2 × 2 × 2 × 23 × 1979)

See below for interesting mathematical facts about the number 728272 from the Numbermatics database.

### Names of 728272

• Cardinal: 728272 can be written as Seven hundred twenty-eight thousand, two hundred seventy-two.

### Scientific notation

• Scientific notation: 7.28272 × 105

### Factors of 728272

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2004

### Divisors of 728272

• Number of divisors d(n): 20
• Complete list of divisors:
• Sum of all divisors σ(n): 1473120
• Sum of proper divisors (its aliquot sum) s(n): 744848
• 728272 is an abundant number, because the sum of its proper divisors (744848) is greater than itself. Its abundance is 16576

### Bases of 728272

• Binary: 101100011100110100002
• Base-36: FLXS

### Squares and roots of 728272

• 728272 squared (7282722) is 530380105984
• 728272 cubed (7282723) is 386260980545179648
• The square root of 728272 is 853.3885398809
• The cube root of 728272 is 89.9700311741

### Scales and comparisons

How big is 728272?
• 728,272 seconds is equal to 1 week, 1 day, 10 hours, 17 minutes, 52 seconds.
• To count from 1 to 728,272 would take you about ten 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 728272 cubic inches would be around 7.5 feet tall.

### Recreational maths with 728272

• 728272 backwards is 272827
• The number of decimal digits it has is: 6
• The sum of 728272's digits is 28
• More coming soon!