42640857

42,640,857 is an odd composite number composed of three prime numbers multiplied together.

What does the number 42640857 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

42640857 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 42640857:

3³ × 7 × 225613

(3 × 3 × 3 × 7 × 225613)

See below for interesting mathematical facts about the number 42640857 from the Numbermatics database.

Names of 42640857

Cardinal: 42640857 can be written as Forty-two million, six hundred forty thousand, eight hundred fifty-seven.

Scientific notation

Scientific notation: 4.2640857 × 10⁷

Factors of 42640857

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 225623

Divisors of 42640857

Number of divisors d(n): 16
Complete list of divisors:
1 3 7 9 21 27 63 189 225613 676839 1579291 2030517 4737873 6091551 14213619 42640857
Sum of all divisors σ(n): 72196480
Sum of proper divisors (its aliquot sum) s(n): 29555623
42640857 is a deficient number, because the sum of its proper divisors (29555623) is less than itself. Its deficiency is 13085234

Bases of 42640857

Binary: 10100010101010010111011001₂
Hexadecimal: 0x28AA5D9
Base-36: PDXW9

Squares and roots of 42640857

42640857 squared (42640857²) is 1818242685694449
42640857 cubed (42640857³) is 77531426351992945502793
The square root of 42640857 is 6529.9967075029
The cube root of 42640857 is 349.3617128681

Scales and comparisons

How big is 42640857?

42,640,857 seconds is equal to 1 year, 18 weeks, 3 days, 12 hours, 40 minutes, 57 seconds.
To count from 1 to 42,640,857 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 42640857 cubic inches would be around 29.1 feet tall.

Recreational maths with 42640857

42640857 backwards is 75804624
The number of decimal digits it has is: 8
The sum of 42640857's digits is 36
More coming soon!

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The information we have on file for 42640857 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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