# 2855

## 2,855 is an odd composite number composed of two prime numbers multiplied together.

What does the number 2855 look like?

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

2855 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 2855:

### 5 × 571

See below for interesting mathematical facts about the number 2855 from the Numbermatics database.

### Names of 2855

• Cardinal: 2855 can be written as Two thousand, eight hundred fifty-five.

### Scientific notation

• Scientific notation: 2.855 × 103

### Factors of 2855

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 576

### Divisors of 2855

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 3432
• Sum of proper divisors (its aliquot sum) s(n): 577
• 2855 is a deficient number, because the sum of its proper divisors (577) is less than itself. Its deficiency is 2278

### Bases of 2855

• Binary: 1011001001112
• Base-36: 27B

### Squares and roots of 2855

• 2855 squared (28552) is 8151025
• 2855 cubed (28553) is 23271176375
• The square root of 2855 is 53.4322000293
• The cube root of 2855 is 14.1862857739

### Scales and comparisons

How big is 2855?
• 2,855 seconds is equal to 47 minutes, 35 seconds.
• To count from 1 to 2,855 would take you about forty-seven 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 2855 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2855

• 2855 backwards is 5582
• The number of decimal digits it has is: 4
• The sum of 2855's digits is 20
• More coming soon!