# 20171

## 20,171 is an odd composite number composed of two prime numbers multiplied together.

What does the number 20171 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

20171 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 20171:

### 23 × 877

See below for interesting mathematical facts about the number 20171 from the Numbermatics database.

### Names of 20171

• Cardinal: 20171 can be written as Twenty thousand, one hundred seventy-one.

### Scientific notation

• Scientific notation: 2.0171 × 104

### Factors of 20171

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 900

### Divisors of 20171

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 21072
• Sum of proper divisors (its aliquot sum) s(n): 901
• 20171 is a deficient number, because the sum of its proper divisors (901) is less than itself. Its deficiency is 19270

### Bases of 20171

• Binary: 1001110110010112
• Base-36: FKB

### Squares and roots of 20171

• 20171 squared (201712) is 406869241
• 20171 cubed (201713) is 8206959460211
• The square root of 20171 is 142.0246457485
• The cube root of 20171 is 27.2213176309

### Scales and comparisons

How big is 20171?
• 20,171 seconds is equal to 5 hours, 36 minutes, 11 seconds.
• To count from 1 to 20,171 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 20171 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20171

• 20171 backwards is 17102
• The number of decimal digits it has is: 5
• The sum of 20171's digits is 11
• More coming soon!