1988642

1,988,642 is an even composite number composed of two prime numbers multiplied together.

What does the number 1988642 look like?

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

1988642 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 1988642:

2 × 994321

See below for interesting mathematical facts about the number 1988642 from the Numbermatics database.

Names of 1988642

Cardinal: 1988642 can be written as One million, nine hundred eighty-eight thousand, six hundred forty-two.

Scientific notation

Scientific notation: 1.988642 × 10⁶

Factors of 1988642

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 994323

Divisors of 1988642

Number of divisors d(n): 4
Complete list of divisors:
1 2 994321 1988642
Sum of all divisors σ(n): 2982966
Sum of proper divisors (its aliquot sum) s(n): 994324
1988642 is a deficient number, because the sum of its proper divisors (994324) is less than itself. Its deficiency is 994318

Bases of 1988642

Binary: 111100101100000100010₂
Hexadecimal: 0x1E5822
Base-36: 16MG2

Squares and roots of 1988642

1988642 squared (1988642²) is 3954697004164
1988642 cubed (1988642³) is 7864476559754705288
The square root of 1988642 is 1410.1921854837
The cube root of 1988642 is 125.7531490187

Scales and comparisons

How big is 1988642?

1,988,642 seconds is equal to 3 weeks, 2 days, 24 minutes, 2 seconds.
To count from 1 to 1,988,642 would take you about four 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 1988642 cubic inches would be around 10.5 feet tall.

Recreational maths with 1988642

1988642 backwards is 2468891
The number of decimal digits it has is: 7
The sum of 1988642's digits is 38
More coming soon!

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The information we have on file for 1988642 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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