# 7940225

## 7,940,225 is an odd composite number composed of two prime numbers multiplied together.

What does the number 7940225 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

7940225 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 7940225:

### 52 × 317609

(5 × 5 × 317609)

See below for interesting mathematical facts about the number 7940225 from the Numbermatics database.

### Names of 7940225

• Cardinal: 7940225 can be written as Seven million, nine hundred forty thousand, two hundred twenty-five.

### Scientific notation

• Scientific notation: 7.940225 × 106

### Factors of 7940225

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 317614

### Divisors of 7940225

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 9845910
• Sum of proper divisors (its aliquot sum) s(n): 1905685
• 7940225 is a deficient number, because the sum of its proper divisors (1905685) is less than itself. Its deficiency is 6034540

### Bases of 7940225

• Binary: 111100100101000100000012
• Base-36: 4Q6PT

### Squares and roots of 7940225

• 7940225 squared (79402252) is 63047173050625
• 7940225 cubed (79402253) is 500608739635898890625
• The square root of 7940225 is 2817.8404851943
• The cube root of 7940225 is 199.5006291817

### Scales and comparisons

How big is 7940225?
• 7,940,225 seconds is equal to 13 weeks, 21 hours, 37 minutes, 5 seconds.
• To count from 1 to 7,940,225 would take you about nineteen 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 7940225 cubic inches would be around 16.6 feet tall.

### Recreational maths with 7940225

• 7940225 backwards is 5220497
• The number of decimal digits it has is: 7
• The sum of 7940225's digits is 29
• More coming soon!