42991081

42,991,081 is an odd composite number composed of three prime numbers multiplied together.

What does the number 42991081 look like?

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

42991081 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 42991081:

7² × 239 × 3671

(7 × 7 × 239 × 3671)

See below for interesting mathematical facts about the number 42991081 from the Numbermatics database.

Names of 42991081

Cardinal: 42991081 can be written as Forty-two million, nine hundred ninety-one thousand and eighty-one.

Scientific notation

Scientific notation: 4.2991081 × 10⁷

Factors of 42991081

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 3917

Divisors of 42991081

Number of divisors d(n): 12
Complete list of divisors:
1 7 49 239 1673 3671 11711 25697 179879 877369 6141583 42991081
Sum of all divisors σ(n): 50232960
Sum of proper divisors (its aliquot sum) s(n): 7241879
42991081 is a deficient number, because the sum of its proper divisors (7241879) is less than itself. Its deficiency is 35749202

Bases of 42991081

Binary: 10100011111111110111101001₂
Hexadecimal: 0x28FFDE9
Base-36: PLG4P

Squares and roots of 42991081

42991081 squared (42991081²) is 1848233045548561
42991081 cubed (42991081³) is 79457536568054875384441
The square root of 42991081 is 6556.7584216595
The cube root of 42991081 is 350.3155820325

Scales and comparisons

How big is 42991081?

42,991,081 seconds is equal to 1 year, 19 weeks, 13 hours, 58 minutes, 1 second.
To count from 1 to 42,991,081 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 42991081 cubic inches would be around 29.2 feet tall.

Recreational maths with 42991081

42991081 backwards is 18019924
The number of decimal digits it has is: 8
The sum of 42991081's digits is 34
More coming soon!

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The information we have on file for 42991081 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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