# 1238

## 1,238 is an even composite number composed of two prime numbers multiplied together.

What does the number 1238 look like?

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

1238 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 1238:

### 2 × 619

See below for interesting mathematical facts about the number 1238 from the Numbermatics database.

### Names of 1238

• Cardinal: 1238 can be written as One thousand, two hundred thirty-eight.

### Scientific notation

• Scientific notation: 1.238 × 103

### Factors of 1238

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 621

### Divisors of 1238

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1860
• Sum of proper divisors (its aliquot sum) s(n): 622
• 1238 is a deficient number, because the sum of its proper divisors (622) is less than itself. Its deficiency is 616

### Bases of 1238

• Binary: 100110101102
• Base-36: YE

### Squares and roots of 1238

• 1238 squared (12382) is 1532644
• 1238 cubed (12383) is 1897413272
• The square root of 1238 is 35.1852241717
• The cube root of 1238 is 10.7375915959

### Scales and comparisons

How big is 1238?
• 1,238 seconds is equal to 20 minutes, 38 seconds.
• To count from 1 to 1,238 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 1238 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1238

• 1238 backwards is 8321
• The number of decimal digits it has is: 4
• The sum of 1238's digits is 14
• More coming soon!