# 128172

## 128,172 is an even composite number composed of four prime numbers multiplied together.

What does the number 128172 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

128172 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 128172:

### 22 × 3 × 11 × 971

(2 × 2 × 3 × 11 × 971)

See below for interesting mathematical facts about the number 128172 from the Numbermatics database.

### Names of 128172

• Cardinal: 128172 can be written as One hundred twenty-eight thousand, one hundred seventy-two.

### Scientific notation

• Scientific notation: 1.28172 × 105

### Factors of 128172

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 987

### Divisors of 128172

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 326592
• Sum of proper divisors (its aliquot sum) s(n): 198420
• 128172 is an abundant number, because the sum of its proper divisors (198420) is greater than itself. Its abundance is 70248

### Bases of 128172

• Binary: 111110100101011002
• Base-36: 2QWC

### Squares and roots of 128172

• 128172 squared (1281722) is 16428061584
• 128172 cubed (1281723) is 2105617509344448
• The square root of 128172 is 358.0111730103
• The cube root of 128172 is 50.4194054777

### Scales and comparisons

How big is 128172?
• 128,172 seconds is equal to 1 day, 11 hours, 36 minutes, 12 seconds.
• To count from 1 to 128,172 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 128172 cubic inches would be around 4.2 feet tall.

### Recreational maths with 128172

• 128172 backwards is 271821
• The number of decimal digits it has is: 6
• The sum of 128172's digits is 21
• More coming soon!

MLA style:
"Number 128172 - Facts about the integer". Numbermatics.com. 2022. Web. 28 May 2022.

APA style:
Numbermatics. (2022). Number 128172 - Facts about the integer. Retrieved 28 May 2022, from https://numbermatics.com/n/128172/

Chicago style:
Numbermatics. 2022. "Number 128172 - Facts about the integer". https://numbermatics.com/n/128172/

The information we have on file for 128172 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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