# 1500000

## 1,500,000 is an even composite number composed of three prime numbers multiplied together.

What does the number 1500000 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 84 divisors.

1500000 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighty-four divisors.

## Prime factorization of 1500000:

### 25 × 3 × 56

(2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 5 × 5)

See below for interesting mathematical facts about the number 1500000 from the Numbermatics database.

### Names of 1500000

• Cardinal: 1500000 can be written as One million, five hundred thousand.

### Scientific notation

• Scientific notation: 1.5 × 106

### Factors of 1500000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 10

### Divisors of 1500000

• Number of divisors d(n): 84
• Complete list of divisors:
• Sum of all divisors σ(n): 4921812
• Sum of proper divisors (its aliquot sum) s(n): 3421812
• 1500000 is an abundant number, because the sum of its proper divisors (3421812) is greater than itself. Its abundance is 1921812

### Bases of 1500000

• Binary: 1011011100011011000002
• Base-36: W5EO

### Squares and roots of 1500000

• 1500000 squared (15000002) is 2250000000000
• 1500000 cubed (15000003) is 3375000000000000000
• The square root of 1500000 is 1224.7448713915
• The cube root of 1500000 is 114.4714242553
• Being both a perfect square and a perfect cube, 1500000 is also a perfect sixth number.

### Scales and comparisons

How big is 1500000?
• 1,500,000 seconds is equal to 2 weeks, 3 days, 8 hours, 40 minutes.
• To count from 1 to 1,500,000 would take you about three 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 1500000 cubic inches would be around 9.5 feet tall.

### Recreational maths with 1500000

• 1500000 backwards is 0000051
• 1500000 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 1500000's digits is 6
• More coming soon!