# 71728

## 71,728 is an even composite number composed of two prime numbers multiplied together.

What does the number 71728 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

71728 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

## Prime factorization of 71728:

### 24 × 4483

(2 × 2 × 2 × 2 × 4483)

See below for interesting mathematical facts about the number 71728 from the Numbermatics database.

### Names of 71728

• Cardinal: 71728 can be written as Seventy-one thousand, seven hundred twenty-eight.

### Scientific notation

• Scientific notation: 7.1728 × 104

### Factors of 71728

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4485

### Divisors of 71728

• Number of divisors d(n): 10
• Complete list of divisors:
• Sum of all divisors σ(n): 139004
• Sum of proper divisors (its aliquot sum) s(n): 67276
• 71728 is a deficient number, because the sum of its proper divisors (67276) is less than itself. Its deficiency is 4452

### Bases of 71728

• Binary: 100011000001100002
• Base-36: 1JCG

### Squares and roots of 71728

• 71728 squared (717282) is 5144905984
• 71728 cubed (717283) is 369033816420352
• The square root of 71728 is 267.8208356345
• The cube root of 71728 is 41.5492230567

### Scales and comparisons

How big is 71728?
• 71,728 seconds is equal to 19 hours, 55 minutes, 28 seconds.
• To count from 1 to 71,728 would take you about nineteen 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 71728 cubic inches would be around 3.5 feet tall.

### Recreational maths with 71728

• 71728 backwards is 82717
• The number of decimal digits it has is: 5
• The sum of 71728's digits is 25
• More coming soon!

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The information we have on file for 71728 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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