42749489

42,749,489 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 42749489 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

42749489 is a prime number. Like all primes (except two), it is an odd number.

Prime factorization of 42749489:

42749489

See below for interesting mathematical facts about the number 42749489 from the Numbermatics database.

Names of 42749489

Cardinal: 42749489 can be written as Forty-two million, seven hundred forty-nine thousand, four hundred eighty-nine.

Scientific notation

Scientific notation: 4.2749489 × 10⁷

Factors of 42749489

Number of distinct prime factors ω(n): 1
Total number of prime factors Ω(n): 1
Sum of prime factors: 42749489

Divisors of 42749489

Number of divisors d(n): 2
Complete list of divisors:
1 42749489
Sum of all divisors σ(n): 42749490
Sum of proper divisors (its aliquot sum) s(n): 1
42749489 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 42749488

Bases of 42749489

Binary: 10100011000100111000110001₂
Hexadecimal: 0x28C4E31
Base-36: PG9PT

Squares and roots of 42749489

42749489 squared (42749489²) is 1827518809761121
42749489 cubed (42749489³) is 78125495255176134817169
The square root of 42749489 is 6538.3093380475
The cube root of 42749489 is 349.6581396683

Scales and comparisons

How big is 42749489?

42,749,489 seconds is equal to 1 year, 18 weeks, 4 days, 18 hours, 51 minutes, 29 seconds.
To count from 1 to 42,749,489 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 42749489 cubic inches would be around 29.1 feet tall.

Recreational maths with 42749489

42749489 backwards is 98494724
The number of decimal digits it has is: 8
The sum of 42749489's digits is 47
More coming soon!

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The information we have on file for 42749489 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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