# 2868

## 2,868 is an even composite number composed of three prime numbers multiplied together.

What does the number 2868 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

2868 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 2868:

### 22 × 3 × 239

(2 × 2 × 3 × 239)

See below for interesting mathematical facts about the number 2868 from the Numbermatics database.

### Names of 2868

• Cardinal: 2868 can be written as Two thousand, eight hundred sixty-eight.

### Scientific notation

• Scientific notation: 2.868 × 103

### Factors of 2868

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 244

### Divisors of 2868

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 6720
• Sum of proper divisors (its aliquot sum) s(n): 3852
• 2868 is an abundant number, because the sum of its proper divisors (3852) is greater than itself. Its abundance is 984

### Bases of 2868

• Binary: 1011001101002
• Base-36: 27O

### Squares and roots of 2868

• 2868 squared (28682) is 8225424
• 2868 cubed (28683) is 23590516032
• The square root of 2868 is 53.5537113559
• The cube root of 2868 is 14.2077851907

### Scales and comparisons

How big is 2868?
• 2,868 seconds is equal to 47 minutes, 48 seconds.
• To count from 1 to 2,868 would take you about forty-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 2868 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2868

• 2868 backwards is 8682
• The number of decimal digits it has is: 4
• The sum of 2868's digits is 24
• More coming soon!