23128740
23,128,740 is an even composite number composed of four prime numbers multiplied together.
23128740 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 23128740:
22 × 35 × 5 × 4759
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 4759)See below for interesting mathematical facts about the number 23128740 from the Numbermatics database.
Names of 23128740
- Cardinal: 23128740 can be written as Twenty-three million, one hundred twenty-eight thousand, seven hundred forty.
Scientific notation
- Scientific notation: 2.312874 × 107
Factors of 23128740
Divisors of 23128740
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 810 972 1215 1620 2430 4759 4860 9518 14277 19036 23795 28554 42831 47590 57108 71385 85662 95180 128493 142770 171324 214155 256986 285540 385479 428310 513972 642465 770958 856620 1156437 1284930 1541916 1927395 2312874 2569860 3854790 4625748 5782185 7709580 11564370 23128740
- Sum of all divisors σ(n): 72770880
- Sum of proper divisors (its aliquot sum) s(n): 49642140
- 23128740 is an abundant number, because the sum of its proper divisors (49642140) is greater than itself. Its abundance is 26513400
Bases of 23128740
- Binary: 10110000011101010101001002
- Hexadecimal: 0x160EAA4
- Base-36: DRQ90
Squares and roots of 23128740
- 23128740 squared (231287402) is 534938613987600
- 23128740 cubed (231287403) is 12372456118879563624000
-
The
square root of 23128740 is 4809.2348663795 -
The
cube root of 23128740 is 284.9163189225
Scales and comparisons
How big is 23128740?- 23,128,740 seconds is equal to 38 weeks, 1 day, 16 hours, 39 minutes.
-
To count from 1 to 23,128,740 would take you about five 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 23128740 cubic inches would be around 23.7 feet tall.
Recreational maths with 23128740
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The information we have on file for 23128740 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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