842139

842,139 is an odd composite number composed of three prime numbers multiplied together.

What does the number 842139 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

842139 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 842139:

3² × 137 × 683

(3 × 3 × 137 × 683)

See below for interesting mathematical facts about the number 842139 from the Numbermatics database.

Names of 842139

Cardinal: 842139 can be written as Eight hundred forty-two thousand, one hundred thirty-nine.

Scientific notation

Scientific notation: 8.42139 × 10⁵

Factors of 842139

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 823

Divisors of 842139

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 137 411 683 1233 2049 6147 93571 280713 842139
Sum of all divisors σ(n): 1227096
Sum of proper divisors (its aliquot sum) s(n): 384957
842139 is a deficient number, because the sum of its proper divisors (384957) is less than itself. Its deficiency is 457182

Bases of 842139

Binary: 11001101100110011011₂
Hexadecimal: 0xCD99B
Base-36: I1SR

Squares and roots of 842139

842139 squared (842139²) is 709198095321
842139 cubed (842139³) is 597243374795531619
The square root of 842139 is 917.6813172339
The cube root of 842139 is 94.4339001941

Scales and comparisons

How big is 842139?

842,139 seconds is equal to 1 week, 2 days, 17 hours, 55 minutes, 39 seconds.
To count from 1 to 842,139 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 842139 cubic inches would be around 7.9 feet tall.

Recreational maths with 842139

842139 backwards is 931248
The number of decimal digits it has is: 6
The sum of 842139's digits is 27
More coming soon!

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The information we have on file for 842139 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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