# 1242

## 1,242 is an even composite number composed of three prime numbers multiplied together.

What does the number 1242 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

1242 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 1242:

### 2 × 33 × 23

(2 × 3 × 3 × 3 × 23)

See below for interesting mathematical facts about the number 1242 from the Numbermatics database.

### Names of 1242

• Cardinal: 1242 can be written as One thousand, two hundred forty-two.

### Scientific notation

• Scientific notation: 1.242 × 103

### Factors of 1242

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 28

### Divisors of 1242

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 2880
• Sum of proper divisors (its aliquot sum) s(n): 1638
• 1242 is an abundant number, because the sum of its proper divisors (1638) is greater than itself. Its abundance is 396

### Bases of 1242

• Binary: 100110110102
• Base-36: YI

### Squares and roots of 1242

• 1242 squared (12422) is 1542564
• 1242 cubed (12423) is 1915864488
• The square root of 1242 is 35.2420203735
• The cube root of 1242 is 10.7491436129

### Scales and comparisons

How big is 1242?
• 1,242 seconds is equal to 20 minutes, 42 seconds.
• To count from 1 to 1,242 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 1242 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1242

• 1242 backwards is 2421
• 1242 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 1242's digits is 9
• More coming soon!