# 826

## 826 is an even composite number composed of three prime numbers multiplied together.

What does the number 826 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

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

## Prime factorization of 826:

### 2 × 7 × 59

See below for interesting mathematical facts about the number 826 from the Numbermatics database.

### Names of 826

• Cardinal: 826 can be written as Eight hundred twenty-six.

### Scientific notation

• Scientific notation: 8.26 × 102

### Factors of 826

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 68

### Divisors of 826

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 1440
• Sum of proper divisors (its aliquot sum) s(n): 614
• 826 is a deficient number, because the sum of its proper divisors (614) is less than itself. Its deficiency is 212

### Bases of 826

• Binary: 11001110102
• Base-36: MY

### Squares and roots of 826

• 826 squared (8262) is 682276
• 826 cubed (8263) is 563559976
• The square root of 826 is 28.7402157264
• The cube root of 826 is 9.3826751961

### Scales and comparisons

How big is 826?
• 826 seconds is equal to 13 minutes, 46 seconds.
• To count from 1 to 826 would take you about six 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 826 cubic inches would be around 0.8 feet tall.

### Recreational maths with 826

• 826 backwards is 628
• The number of decimal digits it has is: 3
• The sum of 826's digits is 16
• More coming soon!