21143040
21,143,040 is an even composite number composed of four prime numbers multiplied together.
21143040 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 21143040:
29 × 3 × 5 × 2753
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 2753)See below for interesting mathematical facts about the number 21143040 from the Numbermatics database.
Names of 21143040
- Cardinal: 21143040 can be written as Twenty-one million, one hundred forty-three thousand and forty.
Scientific notation
- Scientific notation: 2.114304 × 107
Factors of 21143040
Divisors of 21143040
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1280 1536 1920 2560 2753 3840 5506 7680 8259 11012 13765 16518 22024 27530 33036 41295 44048 55060 66072 82590 88096 110120 132144 165180 176192 220240 264288 330360 352384 440480 528576 660720 704768 880960 1057152 1321440 1409536 1761920 2114304 2642880 3523840 4228608 5285760 7047680 10571520 21143040
- Sum of all divisors σ(n): 67616208
- Sum of proper divisors (its aliquot sum) s(n): 46473168
- 21143040 is an abundant number, because the sum of its proper divisors (46473168) is greater than itself. Its abundance is 25330128
Bases of 21143040
- Binary: 10100001010011110000000002
- Hexadecimal: 0x1429E00
- Base-36: CL62O
Squares and roots of 21143040
- 21143040 squared (211430402) is 447028140441600
- 21143040 cubed (211430403) is 9451533854482366464000
-
The
square root of 21143040 is 4598.1561521985 -
The
cube root of 21143040 is 276.5174079185
Scales and comparisons
How big is 21143040?- 21,143,040 seconds is equal to 34 weeks, 6 days, 17 hours, 4 minutes.
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To count from 1 to 21,143,040 would take you about three days!
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 21143040 cubic inches would be around 23 feet tall.
Recreational maths with 21143040
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The information we have on file for 21143040 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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