# 28398241

## 28,398,241 is an odd composite number. It is composed of a single prime number multiplied by itself three times.

What does the number 28398241 look like?

This visualization shows the relationship between its 1 prime factors (large circles) and 5 divisors.

28398241 is an odd composite number. It is composed of one distinct prime number multiplied by itself three times. It has a total of five divisors.

## Prime factorization of 28398241:

### 734

(73 × 73 × 73 × 73)

See below for interesting mathematical facts about the number 28398241 from the Numbermatics database.

### Names of 28398241

• Cardinal: 28398241 can be written as Twenty-eight million, three hundred ninety-eight thousand, two hundred forty-one.

### Scientific notation

• Scientific notation: 2.8398241 × 107

### Factors of 28398241

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 73

### Divisors of 28398241

• Number of divisors d(n): 5
• Complete list of divisors:
• Sum of all divisors σ(n): 28792661
• Sum of proper divisors (its aliquot sum) s(n): 394420
• 28398241 is a deficient number, because the sum of its proper divisors (394420) is less than itself. Its deficiency is 28003821

### Bases of 28398241

• Binary: 11011000101010010101000012
• Base-36: GWO81

### Scales and comparisons

How big is 28398241?
• 28,398,241 seconds is equal to 46 weeks, 6 days, 16 hours, 24 minutes, 1 second.
• To count from 1 to 28,398,241 would take you about eighteen weeks!

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 28398241 cubic inches would be around 25.4 feet tall.

### Recreational maths with 28398241

• 28398241 backwards is 14289382
• The number of decimal digits it has is: 8
• The sum of 28398241's digits is 37
• More coming soon!