3990221

3,990,221 is an odd composite number composed of two prime numbers multiplied together.

What does the number 3990221 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

3990221 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 3990221:

211 × 18911

See below for interesting mathematical facts about the number 3990221 from the Numbermatics database.

Names of 3990221

Cardinal: 3990221 can be written as Three million, nine hundred ninety thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 3.990221 × 10⁶

Factors of 3990221

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 19122

Divisors of 3990221

Number of divisors d(n): 4
Complete list of divisors:
1 211 18911 3990221
Sum of all divisors σ(n): 4009344
Sum of proper divisors (its aliquot sum) s(n): 19123
3990221 is a deficient number, because the sum of its proper divisors (19123) is less than itself. Its deficiency is 3971098

Bases of 3990221

Binary: 1111001110001011001101₂
Hexadecimal: 0x3CE2CD
Base-36: 2DIVH

Squares and roots of 3990221

3990221 squared (3990221²) is 15921863628841
3990221 cubed (3990221³) is 63531754610937563861
The square root of 3990221 is 1997.5537539699
The cube root of 3990221 is 158.6106396785

Scales and comparisons

How big is 3990221?

3,990,221 seconds is equal to 6 weeks, 4 days, 4 hours, 23 minutes, 41 seconds.
To count from 1 to 3,990,221 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 3990221 cubic inches would be around 13.2 feet tall.

Recreational maths with 3990221

3990221 backwards is 1220993
The number of decimal digits it has is: 7
The sum of 3990221's digits is 26
More coming soon!

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The information we have on file for 3990221 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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