# 289445

## 289,445 is an odd composite number composed of four prime numbers multiplied together.

What does the number 289445 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

289445 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 289445:

### 5 × 13 × 61 × 73

See below for interesting mathematical facts about the number 289445 from the Numbermatics database.

### Names of 289445

• Cardinal: 289445 can be written as Two hundred eighty-nine thousand, four hundred forty-five.

### Scientific notation

• Scientific notation: 2.89445 × 105

### Factors of 289445

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 152

### Divisors of 289445

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 385392
• Sum of proper divisors (its aliquot sum) s(n): 95947
• 289445 is a deficient number, because the sum of its proper divisors (95947) is less than itself. Its deficiency is 193498

### Bases of 289445

• Binary: 10001101010101001012
• Base-36: 67C5

### Squares and roots of 289445

• 289445 squared (2894452) is 83778408025
• 289445 cubed (2894453) is 24249241310796125
• The square root of 289445 is 538.0009293673
• The cube root of 289445 is 66.1488071837

### Scales and comparisons

How big is 289445?
• 289,445 seconds is equal to 3 days, 8 hours, 24 minutes, 5 seconds.
• To count from 1 to 289,445 would take you about three days.

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 289445 cubic inches would be around 5.5 feet tall.

### Recreational maths with 289445

• 289445 backwards is 544982
• The number of decimal digits it has is: 6
• The sum of 289445's digits is 32
• More coming soon!