# 42538

## 42,538 is an even composite number composed of two prime numbers multiplied together.

What does the number 42538 look like?

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

42538 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 42538:

### 2 × 21269

See below for interesting mathematical facts about the number 42538 from the Numbermatics database.

### Names of 42538

• Cardinal: 42538 can be written as Forty-two thousand, five hundred thirty-eight.

### Scientific notation

• Scientific notation: 4.2538 × 104

### Factors of 42538

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 21271

### Divisors of 42538

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 63810
• Sum of proper divisors (its aliquot sum) s(n): 21272
• 42538 is a deficient number, because the sum of its proper divisors (21272) is less than itself. Its deficiency is 21266

### Bases of 42538

• Binary: 10100110001010102
• Base-36: WTM

### Squares and roots of 42538

• 42538 squared (425382) is 1809481444
• 42538 cubed (425383) is 76971721664872
• The square root of 42538 is 206.2474242263
• The cube root of 42538 is 34.9080580075

### Scales and comparisons

How big is 42538?
• 42,538 seconds is equal to 11 hours, 48 minutes, 58 seconds.
• To count from 1 to 42,538 would take you about eleven hours.

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 42538 cubic inches would be around 2.9 feet tall.

### Recreational maths with 42538

• 42538 backwards is 83524
• The number of decimal digits it has is: 5
• The sum of 42538's digits is 22
• More coming soon!