28139670
28,139,670 is an even composite number composed of five prime numbers multiplied together.
28139670 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 28139670:
2 × 33 × 5 × 13 × 8017
(2 × 3 × 3 × 3 × 5 × 13 × 8017)See below for interesting mathematical facts about the number 28139670 from the Numbermatics database.
Names of 28139670
- Cardinal: 28139670 can be written as Twenty-eight million, one hundred thirty-nine thousand, six hundred seventy.
Scientific notation
- Scientific notation: 2.813967 × 107
Factors of 28139670
Divisors of 28139670
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 1170 1755 3510 8017 16034 24051 40085 48102 72153 80170 104221 120255 144306 208442 216459 240510 312663 360765 432918 521105 625326 721530 937989 1042210 1082295 1563315 1875978 2164590 2813967 3126630 4689945 5627934 9379890 14069835 28139670
- Sum of all divisors σ(n): 80821440
- Sum of proper divisors (its aliquot sum) s(n): 52681770
- 28139670 is an abundant number, because the sum of its proper divisors (52681770) is greater than itself. Its abundance is 24542100
Bases of 28139670
- Binary: 11010110101100000100101102
- Hexadecimal: 0x1AD6096
- Base-36: GR4PI
Squares and roots of 28139670
- 28139670 squared (281396702) is 791841027708900
- 28139670 cubed (281396703) is 22282145212189302063000
-
The
square root of 28139670 is 5304.6837794537 -
The
cube root of 28139670 is 304.1629651977
Scales and comparisons
How big is 28139670?- 28,139,670 seconds is equal to 46 weeks, 3 days, 16 hours, 34 minutes, 30 seconds.
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To count from 1 to 28,139,670 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 28139670 cubic inches would be around 25.3 feet tall.
Recreational maths with 28139670
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The information we have on file for 28139670 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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