28001340
28,001,340 is an even composite number composed of five prime numbers multiplied together.
28001340 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 28001340:
22 × 32 × 5 × 73 × 2131
(2 × 2 × 3 × 3 × 5 × 73 × 2131)See below for interesting mathematical facts about the number 28001340 from the Numbermatics database.
Names of 28001340
- Cardinal: 28001340 can be written as Twenty-eight million, one thousand, three hundred forty.
Scientific notation
- Scientific notation: 2.800134 × 107
Factors of 28001340
Divisors of 28001340
- 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 60 73 90 146 180 219 292 365 438 657 730 876 1095 1314 1460 2131 2190 2628 3285 4262 4380 6393 6570 8524 10655 12786 13140 19179 21310 25572 31965 38358 42620 63930 76716 95895 127860 155563 191790 311126 383580 466689 622252 777815 933378 1400067 1555630 1866756 2333445 2800134 3111260 4666890 5600268 7000335 9333780 14000670 28001340
- Sum of all divisors σ(n): 86141328
- Sum of proper divisors (its aliquot sum) s(n): 58139988
- 28001340 is an abundant number, because the sum of its proper divisors (58139988) is greater than itself. Its abundance is 30138648
Bases of 28001340
- Binary: 11010101101000100001111002
- Hexadecimal: 0x1AB443C
- Base-36: GO5Z0
Squares and roots of 28001340
- 28001340 squared (280013402) is 784075041795600
- 28001340 cubed (280013403) is 21955151830832806104000
-
The
square root of 28001340 is 5291.6292387127 -
The
cube root of 28001340 is 303.6637411927
Scales and comparisons
How big is 28001340?- 28,001,340 seconds is equal to 46 weeks, 2 days, 2 hours, 9 minutes.
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To count from 1 to 28,001,340 would take you about seventeen weeks!
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 28001340 cubic inches would be around 25.3 feet tall.
Recreational maths with 28001340
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The information we have on file for 28001340 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!
Keywords: Divisors of 28001340, math, Factors of 28001340, curriculum, school, college, exams, university, Prime factorization of 28001340, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight million, one thousand, three hundred forty.