40138740
40,138,740 is an even composite number composed of four prime numbers multiplied together.
40138740 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 40138740:
22 × 36 × 5 × 2753
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 2753)See below for interesting mathematical facts about the number 40138740 from the Numbermatics database.
Names of 40138740
- Cardinal: 40138740 can be written as Forty million, one hundred thirty-eight thousand, seven hundred forty.
Scientific notation
- Scientific notation: 4.013874 × 107
Factors of 40138740
Divisors of 40138740
- Number of divisors d(n): 84
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 729 810 972 1215 1458 1620 2430 2753 2916 3645 4860 5506 7290 8259 11012 13765 14580 16518 24777 27530 33036 41295 49554 55060 74331 82590 99108 123885 148662 165180 222993 247770 297324 371655 445986 495540 668979 743310 891972 1114965 1337958 1486620 2006937 2229930 2675916 3344895 4013874 4459860 6689790 8027748 10034685 13379580 20069370 40138740
- Sum of all divisors σ(n): 126425124
- Sum of proper divisors (its aliquot sum) s(n): 86286384
- 40138740 is an abundant number, because the sum of its proper divisors (86286384) is greater than itself. Its abundance is 46147644
Bases of 40138740
- Binary: 100110010001110111111101002
- Hexadecimal: 0x26477F4
- Base-36: NWB90
Squares and roots of 40138740
- 40138740 squared (401387402) is 1611118448787600
- 40138740 cubed (401387403) is 64668264525088791624000
-
The
square root of 40138740 is 6335.5141859207 -
The
cube root of 40138740 is 342.3901364999
Scales and comparisons
How big is 40138740?- 40,138,740 seconds is equal to 1 year, 14 weeks, 2 days, 13 hours, 39 minutes.
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To count from 1 to 40,138,740 would take you about forty-seven 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 40138740 cubic inches would be around 28.5 feet tall.
Recreational maths with 40138740
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The information we have on file for 40138740 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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