# 216864

## 216,864 is an even composite number composed of three prime numbers multiplied together.

What does the number 216864 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 48 divisors.

216864 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 216864:

### 25 × 33 × 251

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 251)

See below for interesting mathematical facts about the number 216864 from the Numbermatics database.

### Names of 216864

• Cardinal: 216864 can be written as Two hundred sixteen thousand, eight hundred sixty-four.

### Scientific notation

• Scientific notation: 2.16864 × 105

### Factors of 216864

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 256

### Divisors of 216864

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 635040
• Sum of proper divisors (its aliquot sum) s(n): 418176
• 216864 is an abundant number, because the sum of its proper divisors (418176) is greater than itself. Its abundance is 201312

### Bases of 216864

• Binary: 1101001111001000002
• Base-36: 4NC0

### Squares and roots of 216864

• 216864 squared (2168642) is 47029994496
• 216864 cubed (2168643) is 10199112726380544
• The square root of 216864 is 465.6865898863
• The cube root of 216864 is 60.0798935697

### Scales and comparisons

How big is 216864?
• 216,864 seconds is equal to 2 days, 12 hours, 14 minutes, 24 seconds.
• To count from 1 to 216,864 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 216864 cubic inches would be around 5 feet tall.

### Recreational maths with 216864

• 216864 backwards is 468612
• 216864 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 216864's digits is 27
• More coming soon!

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"Number 216864 - Facts about the integer". Numbermatics.com. 2022. Web. 29 June 2022.

APA style:
Numbermatics. (2022). Number 216864 - Facts about the integer. Retrieved 29 June 2022, from https://numbermatics.com/n/216864/

Chicago style:
Numbermatics. 2022. "Number 216864 - Facts about the integer". https://numbermatics.com/n/216864/

The information we have on file for 216864 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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