42638391

42,638,391 is an odd composite number composed of two prime numbers multiplied together.

What does the number 42638391 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

42638391 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 42638391:

3² × 4737599

(3 × 3 × 4737599)

See below for interesting mathematical facts about the number 42638391 from the Numbermatics database.

Names of 42638391

Cardinal: 42638391 can be written as Forty-two million, six hundred thirty-eight thousand, three hundred ninety-one.

Scientific notation

Scientific notation: 4.2638391 × 10⁷

Factors of 42638391

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 4737602

Divisors of 42638391

Number of divisors d(n): 6
Complete list of divisors:
1 3 9 4737599 14212797 42638391
Sum of all divisors σ(n): 61588800
Sum of proper divisors (its aliquot sum) s(n): 18950409
42638391 is a deficient number, because the sum of its proper divisors (18950409) is less than itself. Its deficiency is 23687982

Bases of 42638391

Binary: 10100010101001110000110111₂
Hexadecimal: 0x28A9C37
Base-36: PDVZR

Squares and roots of 42638391

42638391 squared (42638391²) is 1818032387068881
42638391 cubed (42638391³) is 77517975770506292010471
The square root of 42638391 is 6529.8078838507
The cube root of 42638391 is 349.3549779925

Scales and comparisons

How big is 42638391?

42,638,391 seconds is equal to 1 year, 18 weeks, 3 days, 11 hours, 59 minutes, 51 seconds.
To count from 1 to 42,638,391 would take you about two years!

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 42638391 cubic inches would be around 29.1 feet tall.

Recreational maths with 42638391

42638391 backwards is 19383624
The number of decimal digits it has is: 8
The sum of 42638391's digits is 36
More coming soon!

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The information we have on file for 42638391 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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