# 18157

## 18,157 is an odd composite number composed of two prime numbers multiplied together.

What does the number 18157 look like?

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

18157 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 18157:

### 67 × 271

See below for interesting mathematical facts about the number 18157 from the Numbermatics database.

### Names of 18157

• Cardinal: 18157 can be written as Eighteen thousand, one hundred fifty-seven.

### Scientific notation

• Scientific notation: 1.8157 × 104

### Factors of 18157

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 338

### Divisors of 18157

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 18496
• Sum of proper divisors (its aliquot sum) s(n): 339
• 18157 is a deficient number, because the sum of its proper divisors (339) is less than itself. Its deficiency is 17818

### Bases of 18157

• Binary: 1000110111011012
• Hexadecimal: 0x46ED
• Base-36: E0D

### Squares and roots of 18157

• 18157 squared (181572) is 329676649
• 18157 cubed (181573) is 5985938915893
• The square root of 18157 is 134.7479127853
• The cube root of 18157 is 26.2833891071

### Scales and comparisons

How big is 18157?
• 18,157 seconds is equal to 5 hours, 2 minutes, 37 seconds.
• To count from 1 to 18,157 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 18157 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18157

• 18157 backwards is 75181
• The number of decimal digits it has is: 5
• The sum of 18157's digits is 22
• More coming soon!

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The information we have on file for 18157 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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