# 1228

## 1,228 is an even composite number composed of two prime numbers multiplied together.

What does the number 1228 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

1228 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 1228:

### 22 × 307

(2 × 2 × 307)

See below for interesting mathematical facts about the number 1228 from the Numbermatics database.

### Names of 1228

• Cardinal: 1228 can be written as One thousand, two hundred twenty-eight.

### Scientific notation

• Scientific notation: 1.228 × 103

### Factors of 1228

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 309

### Divisors of 1228

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 2156
• Sum of proper divisors (its aliquot sum) s(n): 928
• 1228 is a deficient number, because the sum of its proper divisors (928) is less than itself. Its deficiency is 300

### Bases of 1228

• Binary: 100110011002
• Base-36: Y4

### Squares and roots of 1228

• 1228 squared (12282) is 1507984
• 1228 cubed (12283) is 1851804352
• The square root of 1228 is 35.0428309359
• The cube root of 1228 is 10.7086022767

### Scales and comparisons

How big is 1228?
• 1,228 seconds is equal to 20 minutes, 28 seconds.
• To count from 1 to 1,228 would take you about twenty 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 1228 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1228

• 1228 backwards is 8221
• The number of decimal digits it has is: 4
• The sum of 1228's digits is 13
• More coming soon!