# 2646

## 2,646 is an even composite number composed of three prime numbers multiplied together.

What does the number 2646 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

2646 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 2646:

### 2 × 33 × 72

(2 × 3 × 3 × 3 × 7 × 7)

See below for interesting mathematical facts about the number 2646 from the Numbermatics database.

### Names of 2646

• Cardinal: 2646 can be written as Two thousand, six hundred forty-six.

### Scientific notation

• Scientific notation: 2.646 × 103

### Factors of 2646

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 12

### Divisors of 2646

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 6840
• Sum of proper divisors (its aliquot sum) s(n): 4194
• 2646 is an abundant number, because the sum of its proper divisors (4194) is greater than itself. Its abundance is 1548

### Bases of 2646

• Binary: 1010010101102
• Base-36: 21I

### Squares and roots of 2646

• 2646 squared (26462) is 7001316
• 2646 cubed (26463) is 18525482136
• The square root of 2646 is 51.4392845985
• The cube root of 2646 is 13.8313088761

### Scales and comparisons

How big is 2646?
• 2,646 seconds is equal to 44 minutes, 6 seconds.
• To count from 1 to 2,646 would take you about forty-four 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 2646 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2646

• 2646 backwards is 6462
• 2646 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 2646's digits is 18
• More coming soon!