2157442

2,157,442 is an even composite number composed of four prime numbers multiplied together.

What does the number 2157442 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

2157442 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 2157442:

2 × 7 × 73 × 2111

See below for interesting mathematical facts about the number 2157442 from the Numbermatics database.

Names of 2157442

Cardinal: 2157442 can be written as Two million, one hundred fifty-seven thousand, four hundred forty-two.

Scientific notation

Scientific notation: 2.157442 × 10⁶

Factors of 2157442

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 2193

Divisors of 2157442

Number of divisors d(n): 16
Complete list of divisors:
1 2 7 14 73 146 511 1022 2111 4222 14777 29554 154103 308206 1078721 2157442
Sum of all divisors σ(n): 3750912
Sum of proper divisors (its aliquot sum) s(n): 1593470
2157442 is a deficient number, because the sum of its proper divisors (1593470) is less than itself. Its deficiency is 563972

Bases of 2157442

Binary: 1000001110101110000010₂
Hexadecimal: 0x20EB82
Base-36: 1A8OY

Squares and roots of 2157442

2157442 squared (2157442²) is 4654555983364
2157442 cubed (2157442³) is 10041934569860794888
The square root of 2157442 is 1468.8233385945
The cube root of 2157442 is 129.2150330605

Scales and comparisons

How big is 2157442?

2,157,442 seconds is equal to 3 weeks, 3 days, 23 hours, 17 minutes, 22 seconds.
To count from 1 to 2,157,442 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 2157442 cubic inches would be around 10.8 feet tall.

Recreational maths with 2157442

2157442 backwards is 2447512
The number of decimal digits it has is: 7
The sum of 2157442's digits is 25
More coming soon!

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The information we have on file for 2157442 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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