# 2798

## 2,798 is an even composite number composed of two prime numbers multiplied together.

What does the number 2798 look like?

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

2798 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 2798:

### 2 × 1399

See below for interesting mathematical facts about the number 2798 from the Numbermatics database.

### Names of 2798

• Cardinal: 2798 can be written as Two thousand, seven hundred ninety-eight.

### Scientific notation

• Scientific notation: 2.798 × 103

### Factors of 2798

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1401

### Divisors of 2798

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 4200
• Sum of proper divisors (its aliquot sum) s(n): 1402
• 2798 is a deficient number, because the sum of its proper divisors (1402) is less than itself. Its deficiency is 1396

### Bases of 2798

• Binary: 1010111011102
• Base-36: 25Q

### Squares and roots of 2798

• 2798 squared (27982) is 7828804
• 2798 cubed (27983) is 21904993592
• The square root of 2798 is 52.8961246217
• The cube root of 2798 is 14.0912408085

### Scales and comparisons

How big is 2798?
• 2,798 seconds is equal to 46 minutes, 38 seconds.
• To count from 1 to 2,798 would take you about forty-six 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 2798 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2798

• 2798 backwards is 8972
• The number of decimal digits it has is: 4
• The sum of 2798's digits is 26
• More coming soon!