# 626

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

What does the number 626 look like?

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

626 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 626:

### 2 × 313

See below for interesting mathematical facts about the number 626 from the Numbermatics database.

### Names of 626

• Cardinal: 626 can be written as Six hundred twenty-six.

### Scientific notation

• Scientific notation: 6.26 × 102

### Factors of 626

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 315

### Divisors of 626

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 942
• Sum of proper divisors (its aliquot sum) s(n): 316
• 626 is a deficient number, because the sum of its proper divisors (316) is less than itself. Its deficiency is 310

### Bases of 626

• Binary: 10011100102
• Base-36: HE

### Squares and roots of 626

• 626 squared (6262) is 391876
• 626 cubed (6263) is 245314376
• The square root of 626 is 25.0199920063
• The cube root of 626 is 8.5544372395

### Scales and comparisons

How big is 626?
• 626 seconds is equal to 10 minutes, 26 seconds.
• To count from 1 to 626 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 626 cubic inches would be around 0.7 feet tall.

### Recreational maths with 626

• 626 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 626's digits is 14
• More coming soon!