42956721

42,956,721 is an odd composite number composed of three prime numbers multiplied together.

What does the number 42956721 look like?

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

42956721 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 42956721:

3² × 2087 × 2287

(3 × 3 × 2087 × 2287)

See below for interesting mathematical facts about the number 42956721 from the Numbermatics database.

Names of 42956721

Cardinal: 42956721 can be written as Forty-two million, nine hundred fifty-six thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 4.2956721 × 10⁷

Factors of 42956721

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 4377

Divisors of 42956721

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 2087 2287 6261 6861 18783 20583 4772969 14318907 42956721
Sum of all divisors σ(n): 62105472
Sum of proper divisors (its aliquot sum) s(n): 19148751
42956721 is a deficient number, because the sum of its proper divisors (19148751) is less than itself. Its deficiency is 23807970

Bases of 42956721

Binary: 10100011110111011110110001₂
Hexadecimal: 0x28F77B1
Base-36: PKPM9

Squares and roots of 42956721

42956721 squared (42956721²) is 1845279879071841
42956721 cubed (42956721³) is 79267172932202812793361
The square root of 42956721 is 6554.1377007199
The cube root of 42956721 is 350.2222289361

Scales and comparisons

How big is 42956721?

42,956,721 seconds is equal to 1 year, 19 weeks, 4 hours, 25 minutes, 21 seconds.
To count from 1 to 42,956,721 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 42956721 cubic inches would be around 29.2 feet tall.

Recreational maths with 42956721

42956721 backwards is 12765924
The number of decimal digits it has is: 8
The sum of 42956721's digits is 36
More coming soon!

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The information we have on file for 42956721 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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