42912730

42,912,730 is an even composite number composed of four prime numbers multiplied together.

What does the number 42912730 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

42912730 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 42912730:

2 × 5 × 7³ × 12511

(2 × 5 × 7 × 7 × 7 × 12511)

See below for interesting mathematical facts about the number 42912730 from the Numbermatics database.

Names of 42912730

Cardinal: 42912730 can be written as Forty-two million, nine hundred twelve thousand, seven hundred thirty.

Scientific notation

Scientific notation: 4.291273 × 10⁷

Factors of 42912730

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 12525

Divisors of 42912730

Number of divisors d(n): 32
Complete list of divisors:
1 2 5 7 10 14 35 49 70 98 245 343 490 686 1715 3430 12511 25022 62555 87577 125110 175154 437885 613039 875770 1226078 3065195 4291273 6130390 8582546 21456365 42912730
Sum of all divisors σ(n): 90086400
Sum of proper divisors (its aliquot sum) s(n): 47173670
42912730 is an abundant number, because the sum of its proper divisors (47173670) is greater than itself. Its abundance is 4260940

Bases of 42912730

Binary: 10100011101100101111011010₂
Hexadecimal: 0x28ECBDA
Base-36: PJROA

Squares and roots of 42912730

42912730 squared (42912730²) is 1841502396052900
42912730 cubed (42912730³) is 79023895116171163417000
The square root of 42912730 is 6550.7808694843
The cube root of 42912730 is 350.1026365659

Scales and comparisons

How big is 42912730?

42,912,730 seconds is equal to 1 year, 18 weeks, 6 days, 16 hours, 12 minutes, 10 seconds.
To count from 1 to 42,912,730 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 42912730 cubic inches would be around 29.2 feet tall.

Recreational maths with 42912730

42912730 backwards is 03721924
The number of decimal digits it has is: 8
The sum of 42912730's digits is 28
More coming soon!

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The information we have on file for 42912730 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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