# 862

## 862 is an even composite number composed of two prime numbers multiplied together.

What does the number 862 look like?

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

862 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 862:

### 2 × 431

See below for interesting mathematical facts about the number 862 from the Numbermatics database.

### Names of 862

• Cardinal: 862 can be written as Eight hundred sixty-two.

### Scientific notation

• Scientific notation: 8.62 × 102

### Factors of 862

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 433

### Divisors of 862

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1296
• Sum of proper divisors (its aliquot sum) s(n): 434
• 862 is a deficient number, because the sum of its proper divisors (434) is less than itself. Its deficiency is 428

### Bases of 862

• Binary: 11010111102
• Base-36: NY

### Squares and roots of 862

• 862 squared (8622) is 743044
• 862 cubed (8623) is 640503928
• The square root of 862 is 29.3598365119
• The cube root of 862 is 9.5170515547

### Scales and comparisons

How big is 862?
• 862 seconds is equal to 14 minutes, 22 seconds.
• To count from 1 to 862 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 862 cubic inches would be around 0.8 feet tall.

### Recreational maths with 862

• 862 backwards is 268
• The number of decimal digits it has is: 3
• The sum of 862's digits is 16
• More coming soon!