# 20172

## 20,172 is an even composite number composed of three prime numbers multiplied together.

What does the number 20172 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

20172 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

## Prime factorization of 20172:

### 22 × 3 × 412

(2 × 2 × 3 × 41 × 41)

See below for interesting mathematical facts about the number 20172 from the Numbermatics database.

### Names of 20172

• Cardinal: 20172 can be written as Twenty thousand, one hundred seventy-two.

### Scientific notation

• Scientific notation: 2.0172 × 104

### Factors of 20172

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 46

### Divisors of 20172

• Number of divisors d(n): 18
• Complete list of divisors:
• Sum of all divisors σ(n): 48244
• Sum of proper divisors (its aliquot sum) s(n): 28072
• 20172 is an abundant number, because the sum of its proper divisors (28072) is greater than itself. Its abundance is 7900

### Bases of 20172

• Binary: 1001110110011002
• Base-36: FKC

### Squares and roots of 20172

• 20172 squared (201722) is 406909584
• 20172 cubed (201723) is 8208180128448
• The square root of 20172 is 142.0281662207
• The cube root of 20172 is 27.2217674659

### Scales and comparisons

How big is 20172?
• 20,172 seconds is equal to 5 hours, 36 minutes, 12 seconds.
• To count from 1 to 20,172 would take you about five 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 20172 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20172

• 20172 backwards is 27102
• 20172 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 20172's digits is 12
• More coming soon!

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below: