# 218231

## 218,231 is an odd composite number composed of two prime numbers multiplied together.

What does the number 218231 look like?

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

218231 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 218231:

### 13 × 16787

See below for interesting mathematical facts about the number 218231 from the Numbermatics database.

### Names of 218231

• Cardinal: 218231 can be written as Two hundred eighteen thousand, two hundred thirty-one.

### Scientific notation

• Scientific notation: 2.18231 × 105

### Factors of 218231

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 16800

### Divisors of 218231

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 235032
• Sum of proper divisors (its aliquot sum) s(n): 16801
• 218231 is a deficient number, because the sum of its proper divisors (16801) is less than itself. Its deficiency is 201430

### Bases of 218231

• Binary: 1101010100011101112
• Base-36: 4ODZ

### Squares and roots of 218231

• 218231 squared (2182312) is 47624769361
• 218231 cubed (2182313) is 10393201042420391
• The square root of 218231 is 467.1520095215
• The cube root of 218231 is 60.2058669131

### Scales and comparisons

How big is 218231?
• 218,231 seconds is equal to 2 days, 12 hours, 37 minutes, 11 seconds.
• To count from 1 to 218,231 would take you about two days.

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 218231 cubic inches would be around 5 feet tall.

### Recreational maths with 218231

• 218231 backwards is 132812
• The number of decimal digits it has is: 6
• The sum of 218231's digits is 17
• More coming soon!

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The information we have on file for 218231 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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