# 28261

## 28,261 is an odd composite number composed of two prime numbers multiplied together.

What does the number 28261 look like?

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

28261 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 28261:

### 59 × 479

See below for interesting mathematical facts about the number 28261 from the Numbermatics database.

### Names of 28261

• Cardinal: 28261 can be written as Twenty-eight thousand, two hundred sixty-one.

### Scientific notation

• Scientific notation: 2.8261 × 104

### Factors of 28261

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 538

### Divisors of 28261

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 28800
• Sum of proper divisors (its aliquot sum) s(n): 539
• 28261 is a deficient number, because the sum of its proper divisors (539) is less than itself. Its deficiency is 27722

### Bases of 28261

• Binary: 1101110011001012
• Base-36: LT1

### Squares and roots of 28261

• 28261 squared (282612) is 798684121
• 28261 cubed (282613) is 22571611943581
• The square root of 28261 is 168.1100829813
• The cube root of 28261 is 30.4599492223

### Scales and comparisons

How big is 28261?
• 28,261 seconds is equal to 7 hours, 51 minutes, 1 second.
• To count from 1 to 28,261 would take you about seven 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 28261 cubic inches would be around 2.5 feet tall.

### Recreational maths with 28261

• 28261 backwards is 16282
• The number of decimal digits it has is: 5
• The sum of 28261's digits is 19
• More coming soon!