# 676

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

What does the number 676 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

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

## Prime factorization of 676:

### 22 × 132

(2 × 2 × 13 × 13)

See below for interesting mathematical facts about the number 676 from the Numbermatics database.

### Names of 676

• Cardinal: 676 can be written as Six hundred seventy-six.

### Scientific notation

• Scientific notation: 6.76 × 102

### Factors of 676

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 15

### Divisors of 676

• Number of divisors d(n): 9
• Complete list of divisors:
• Sum of all divisors σ(n): 1281
• Sum of proper divisors (its aliquot sum) s(n): 605
• 676 is a deficient number, because the sum of its proper divisors (605) is less than itself. Its deficiency is 71

### Bases of 676

• Binary: 10101001002
• Base-36: IS

### Squares and roots of 676

• 676 squared (6762) is 456976
• 676 cubed (6763) is 308915776
• 676 is a perfect square number. Its square root is 26
• The cube root of 676 is 8.7763829555

### Scales and comparisons

How big is 676?
• 676 seconds is equal to 11 minutes, 16 seconds.
• To count from 1 to 676 would take you about five 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 676 cubic inches would be around 0.7 feet tall.

### Recreational maths with 676

• 676 is the same when its digits are reversed! That makes it a palindromic number.
• The number of decimal digits it has is: 3
• The sum of 676's digits is 19
• More coming soon!