199742

199,742 is an even composite number composed of two prime numbers multiplied together.

What does the number 199742 look like?

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

199742 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 199742:

2 × 99871

See below for interesting mathematical facts about the number 199742 from the Numbermatics database.

Names of 199742

Cardinal: 199742 can be written as One hundred ninety-nine thousand, seven hundred forty-two.

Scientific notation

Scientific notation: 1.99742 × 10⁵

Factors of 199742

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 99873

Divisors of 199742

Number of divisors d(n): 4
Complete list of divisors:
1 2 99871 199742
Sum of all divisors σ(n): 299616
Sum of proper divisors (its aliquot sum) s(n): 99874
199742 is a deficient number, because the sum of its proper divisors (99874) is less than itself. Its deficiency is 99868

Bases of 199742

Binary: 110000110000111110₂
Hexadecimal: 0x30C3E
Base-36: 4A4E

Squares and roots of 199742

199742 squared (199742²) is 39896866564
199742 cubed (199742³) is 7969079921226488
The square root of 199742 is 446.9250496447
The cube root of 199742 is 58.4551973909

Scales and comparisons

How big is 199742?

199,742 seconds is equal to 2 days, 7 hours, 29 minutes, 2 seconds.
To count from 1 to 199,742 would take you about two days.

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 199742 cubic inches would be around 4.9 feet tall.

Recreational maths with 199742

199742 backwards is 247991
The number of decimal digits it has is: 6
The sum of 199742's digits is 32
More coming soon!

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The information we have on file for 199742 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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