42748740
42,748,740 is an even composite number composed of five prime numbers multiplied together.
42748740 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 42748740:
22 × 32 × 5 × 53 × 4481
(2 × 2 × 3 × 3 × 5 × 53 × 4481)See below for interesting mathematical facts about the number 42748740 from the Numbermatics database.
Names of 42748740
- Cardinal: 42748740 can be written as Forty-two million, seven hundred forty-eight thousand, seven hundred forty.
Scientific notation
- Scientific notation: 4.274874 × 107
Factors of 42748740
Divisors of 42748740
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 53 60 90 106 159 180 212 265 318 477 530 636 795 954 1060 1590 1908 2385 3180 4481 4770 8962 9540 13443 17924 22405 26886 40329 44810 53772 67215 80658 89620 134430 161316 201645 237493 268860 403290 474986 712479 806580 949972 1187465 1424958 2137437 2374930 2849916 3562395 4274874 4749860 7124790 8549748 10687185 14249580 21374370 42748740
- Sum of all divisors σ(n): 132147288
- Sum of proper divisors (its aliquot sum) s(n): 89398548
- 42748740 is an abundant number, because the sum of its proper divisors (89398548) is greater than itself. Its abundance is 46649808
Bases of 42748740
- Binary: 101000110001001011010001002
- Hexadecimal: 0x28C4B44
- Base-36: PG950
Squares and roots of 42748740
- 42748740 squared (427487402) is 1827454771587600
- 42748740 cubed (427487403) is 78121388892357699624000
-
The
square root of 42748740 is 6538.2520599927 -
The
cube root of 42748740 is 349.6560975737
Scales and comparisons
How big is 42748740?- 42,748,740 seconds is equal to 1 year, 18 weeks, 4 days, 18 hours, 39 minutes.
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To count from 1 to 42,748,740 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 42748740 cubic inches would be around 29.1 feet tall.
Recreational maths with 42748740
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The information we have on file for 42748740 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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