# 147840

## 147,840 is an even composite number composed of five prime numbers multiplied together.

What does the number 147840 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 128 divisors.

147840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.

## Prime factorization of 147840:

### 27 × 3 × 5 × 7 × 11

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 11)

See below for interesting mathematical facts about the number 147840 from the Numbermatics database.

### Names of 147840

• Cardinal: 147840 can be written as One hundred forty-seven thousand, eight hundred forty.

### Scientific notation

• Scientific notation: 1.4784 × 105

### Factors of 147840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 28

### Divisors of 147840

• Number of divisors d(n): 128
• Complete list of divisors:
• Sum of all divisors σ(n): 587520
• Sum of proper divisors (its aliquot sum) s(n): 439680
• 147840 is an abundant number, because the sum of its proper divisors (439680) is greater than itself. Its abundance is 291840

### Bases of 147840

• Binary: 1001000001100000002
• Base-36: 362O

### Squares and roots of 147840

• 147840 squared (1478402) is 21856665600
• 147840 cubed (1478403) is 3231289442304000
• The square root of 147840 is 384.4996749023
• The cube root of 147840 is 52.8766563315

### Scales and comparisons

How big is 147840?
• 147,840 seconds is equal to 1 day, 17 hours, 4 minutes.
• To count from 1 to 147,840 would take you about seventeen 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 147840 cubic inches would be around 4.4 feet tall.

### Recreational maths with 147840

• 147840 backwards is 048741
• 147840 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 147840's digits is 24
• More coming soon!