2166440

2,166,440 is an even composite number composed of four prime numbers multiplied together.

What does the number 2166440 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

2166440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 2166440:

2³ × 5 × 41 × 1321

(2 × 2 × 2 × 5 × 41 × 1321)

See below for interesting mathematical facts about the number 2166440 from the Numbermatics database.

Names of 2166440

Cardinal: 2166440 can be written as Two million, one hundred sixty-six thousand, four hundred forty.

Scientific notation

Scientific notation: 2.16644 × 10⁶

Factors of 2166440

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 1369

Divisors of 2166440

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 20 40 41 82 164 205 328 410 820 1321 1640 2642 5284 6605 10568 13210 26420 52840 54161 108322 216644 270805 433288 541610 1083220 2166440
Sum of all divisors σ(n): 4997160
Sum of proper divisors (its aliquot sum) s(n): 2830720
2166440 is an abundant number, because the sum of its proper divisors (2830720) is greater than itself. Its abundance is 664280

Bases of 2166440

Binary: 1000010000111010101000₂
Hexadecimal: 0x210EA8
Base-36: 1AFMW

Squares and roots of 2166440

2166440 squared (2166440²) is 4693462273600
2166440 cubed (2166440³) is 10168104408017984000
The square root of 2166440 is 1471.8831475359
The cube root of 2166440 is 129.3944220805

Scales and comparisons

How big is 2166440?

2,166,440 seconds is equal to 3 weeks, 4 days, 1 hour, 47 minutes, 20 seconds.
To count from 1 to 2,166,440 would take you about five 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 2166440 cubic inches would be around 10.8 feet tall.

Recreational maths with 2166440

2166440 backwards is 0446612
The number of decimal digits it has is: 7
The sum of 2166440's digits is 23
More coming soon!

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The information we have on file for 2166440 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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