# 3940225

## 3,940,225 is an odd composite number composed of two prime numbers multiplied together.

What does the number 3940225 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

3940225 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

## Prime factorization of 3940225:

### 52 × 3972

(5 × 5 × 397 × 397)

See below for interesting mathematical facts about the number 3940225 from the Numbermatics database.

### Names of 3940225

• Cardinal: 3940225 can be written as Three million, nine hundred forty thousand, two hundred twenty-five.

### Scientific notation

• Scientific notation: 3.940225 × 106

### Factors of 3940225

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 402

### Divisors of 3940225

• Number of divisors d(n): 9
• Complete list of divisors:
• Sum of all divisors σ(n): 4898217
• Sum of proper divisors (its aliquot sum) s(n): 957992
• 3940225 is a deficient number, because the sum of its proper divisors (957992) is less than itself. Its deficiency is 2982233

### Bases of 3940225

• Binary: 11110000011111100000012
• Base-36: 2CGAP

### Squares and roots of 3940225

• 3940225 squared (39402252) is 15525373050625
• 3940225 cubed (39402253) is 61173463028398890625
• 3940225 is a perfect square number. Its square root is 1985
• The cube root of 3940225 is 157.9454092233

### Scales and comparisons

How big is 3940225?
• 3,940,225 seconds is equal to 6 weeks, 3 days, 14 hours, 30 minutes, 25 seconds.
• To count from 1 to 3,940,225 would take you about nine 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 3940225 cubic inches would be around 13.2 feet tall.

### Recreational maths with 3940225

• 3940225 backwards is 5220493
• 3940225 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 3940225's digits is 25
• More coming soon!