# 3858

## 3,858 is an even composite number composed of three prime numbers multiplied together.

What does the number 3858 look like?

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

3858 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 3858:

### 2 × 3 × 643

See below for interesting mathematical facts about the number 3858 from the Numbermatics database.

### Names of 3858

• Cardinal: 3858 can be written as Three thousand, eight hundred fifty-eight.

### Scientific notation

• Scientific notation: 3.858 × 103

### Factors of 3858

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 648

### Divisors of 3858

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 7728
• Sum of proper divisors (its aliquot sum) s(n): 3870
• 3858 is an abundant number, because the sum of its proper divisors (3870) is greater than itself. Its abundance is 12

### Bases of 3858

• Binary: 1111000100102
• Base-36: 2Z6

### Squares and roots of 3858

• 3858 squared (38582) is 14884164
• 3858 cubed (38583) is 57423104712
• The square root of 3858 is 62.1128006131
• The cube root of 3858 is 15.6839003555

### Scales and comparisons

How big is 3858?
• 3,858 seconds is equal to 1 hour, 4 minutes, 18 seconds.
• To count from 1 to 3,858 would take you about four 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 3858 cubic inches would be around 1.3 feet tall.

### Recreational maths with 3858

• 3858 backwards is 8583
• The number of decimal digits it has is: 4
• The sum of 3858's digits is 24
• More coming soon!