# 867

## 867 is an odd composite number composed of two prime numbers multiplied together.

What does the number 867 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

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

## Prime factorization of 867:

### 3 × 172

(3 × 17 × 17)

See below for interesting mathematical facts about the number 867 from the Numbermatics database.

### Names of 867

• Cardinal: 867 can be written as Eight hundred sixty-seven.

### Scientific notation

• Scientific notation: 8.67 × 102

### Factors of 867

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 20

### Divisors of 867

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 1228
• Sum of proper divisors (its aliquot sum) s(n): 361
• 867 is a deficient number, because the sum of its proper divisors (361) is less than itself. Its deficiency is 506

### Bases of 867

• Binary: 11011000112
• Base-36: O3

### Squares and roots of 867

• 867 squared (8672) is 751689
• 867 cubed (8673) is 651714363
• The square root of 867 is 29.4448637287
• The cube root of 867 is 9.5354171959

### Scales and comparisons

How big is 867?
• 867 seconds is equal to 14 minutes, 27 seconds.
• To count from 1 to 867 would take you about seven minutes.

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 867 cubic inches would be around 0.8 feet tall.

### Recreational maths with 867

• 867 backwards is 768
• The number of decimal digits it has is: 3
• The sum of 867's digits is 21
• More coming soon!