# 2779

## 2,779 is an odd composite number composed of two prime numbers multiplied together.

What does the number 2779 look like?

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

2779 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 2779:

### 7 × 397

See below for interesting mathematical facts about the number 2779 from the Numbermatics database.

### Names of 2779

• Cardinal: 2779 can be written as Two thousand, seven hundred seventy-nine.

### Scientific notation

• Scientific notation: 2.779 × 103

### Factors of 2779

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 404

### Divisors of 2779

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 3184
• Sum of proper divisors (its aliquot sum) s(n): 405
• 2779 is a deficient number, because the sum of its proper divisors (405) is less than itself. Its deficiency is 2374

### Bases of 2779

• Binary: 1010110110112
• Base-36: 257

### Squares and roots of 2779

• 2779 squared (27792) is 7722841
• 2779 cubed (27793) is 21461775139
• The square root of 2779 is 52.7162214123
• The cube root of 2779 is 14.0592725103

### Scales and comparisons

How big is 2779?
• 2,779 seconds is equal to 46 minutes, 19 seconds.
• To count from 1 to 2,779 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 2779 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2779

• 2779 backwards is 9772
• The number of decimal digits it has is: 4
• The sum of 2779's digits is 25
• More coming soon!