20640960
20,640,960 is an even composite number composed of four prime numbers multiplied together.
20640960 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 20640960:
26 × 33 × 5 × 2389
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 2389)See below for interesting mathematical facts about the number 20640960 from the Numbermatics database.
Names of 20640960
- Cardinal: 20640960 can be written as Twenty million, six hundred forty thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.064096 × 107
Factors of 20640960
Divisors of 20640960
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 480 540 576 720 864 960 1080 1440 1728 2160 2389 2880 4320 4778 7167 8640 9556 11945 14334 19112 21501 23890 28668 35835 38224 43002 47780 57336 64503 71670 76448 86004 95560 107505 114672 129006 143340 152896 172008 191120 215010 229344 258012 286680 322515 344016 382240 430020 458688 516024 573360 645030 688032 764480 860040 1032048 1146720 1290060 1376064 1720080 2064096 2293440 2580120 3440160 4128192 5160240 6880320 10320480 20640960
- Sum of all divisors σ(n): 72847200
- Sum of proper divisors (its aliquot sum) s(n): 52206240
- 20640960 is an abundant number, because the sum of its proper divisors (52206240) is greater than itself. Its abundance is 31565280
Bases of 20640960
- Binary: 10011101011110100110000002
- Hexadecimal: 0x13AF4C0
- Base-36: CAEO0
Squares and roots of 20640960
- 20640960 squared (206409602) is 426049229721600
- 20640960 cubed (206409603) is 8794065108714356736000
-
The
square root of 20640960 is 4543.2323295205 -
The
cube root of 20640960 is 274.3110467675
Scales and comparisons
How big is 20640960?- 20,640,960 seconds is equal to 34 weeks, 21 hours, 36 minutes.
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To count from 1 to 20,640,960 would take you about fifty-one 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 20640960 cubic inches would be around 22.9 feet tall.
Recreational maths with 20640960
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The information we have on file for 20640960 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 20640960, math, Factors of 20640960, curriculum, school, college, exams, university, Prime factorization of 20640960, STEM, science, technology, engineering, physics, economics, calculator, twenty million, six hundred forty thousand, nine hundred sixty.