# 873

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

What does the number 873 look like?

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

873 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 873:

### 32 × 97

(3 × 3 × 97)

See below for interesting mathematical facts about the number 873 from the Numbermatics database.

### Names of 873

• Cardinal: 873 can be written as Eight hundred seventy-three.

### Scientific notation

• Scientific notation: 8.73 × 102

### Factors of 873

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 100

### Divisors of 873

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 1274
• Sum of proper divisors (its aliquot sum) s(n): 401
• 873 is a deficient number, because the sum of its proper divisors (401) is less than itself. Its deficiency is 472

### Bases of 873

• Binary: 11011010012
• Base-36: O9

### Squares and roots of 873

• 873 squared (8732) is 762129
• 873 cubed (8733) is 665338617
• The square root of 873 is 29.5465734053
• The cube root of 873 is 9.5573629975

### Scales and comparisons

How big is 873?
• 873 seconds is equal to 14 minutes, 33 seconds.
• To count from 1 to 873 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 873 cubic inches would be around 0.8 feet tall.

### Recreational maths with 873

• 873 backwards is 378
• The number of decimal digits it has is: 3
• The sum of 873's digits is 18
• More coming soon!