21383040
21,383,040 is an even composite number composed of six prime numbers multiplied together.
21383040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21383040:
27 × 3 × 5 × 7 × 37 × 43
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 37 × 43)See below for interesting mathematical facts about the number 21383040 from the Numbermatics database.
Names of 21383040
- Cardinal: 21383040 can be written as Twenty-one million, three hundred eighty-three thousand and forty.
Scientific notation
- Scientific notation: 2.138304 × 107
Factors of 21383040
Divisors of 21383040
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 37 40 42 43 48 56 60 64 70 74 80 84 86 96 105 111 112 120 128 129 140 148 160 168 172 185 192 210 215 222 224 240 258 259 280 296 301 320 336 344 370 384 420 430 444 448 480 516 518 555 560 592 602 640 645 672 688 740 777 840 860 888 896 903 960 1032 1036 1110 1120 1184 1204 1290 1295 1344 1376 1480 1505 1554 1591 1680 1720 1776 1806 1920 2064 2072 2220 2240 2368 2408 2580 2590 2688 2752 2960 3010 3108 3182 3360 3440 3552 3612 3885 4128 4144 4440 4480 4515 4736 4773 4816 5160 5180 5504 5920 6020 6216 6364 6720 6880 7104 7224 7770 7955 8256 8288 8880 9030 9546 9632 10320 10360 11137 11840 12040 12432 12728 13440 13760 14208 14448 15540 15910 16512 16576 17760 18060 19092 19264 20640 20720 22274 23680 23865 24080 24864 25456 27520 28896 31080 31820 33152 33411 35520 36120 38184 38528 41280 41440 44548 47730 48160 49728 50912 55685 57792 62160 63640 66822 71040 72240 76368 82560 82880 89096 95460 96320 99456 101824 111370 115584 124320 127280 133644 144480 152736 165760 167055 178192 190920 192640 203648 222740 248640 254560 267288 288960 305472 334110 356384 381840 445480 497280 509120 534576 577920 610944 668220 712768 763680 890960 1018240 1069152 1336440 1425536 1527360 1781920 2138304 2672880 3054720 3563840 4276608 5345760 7127680 10691520 21383040
- Sum of all divisors σ(n): 81861120
- Sum of proper divisors (its aliquot sum) s(n): 60478080
- 21383040 is an abundant number, because the sum of its proper divisors (60478080) is greater than itself. Its abundance is 39095040
Bases of 21383040
- Binary: 10100011001000111100000002
- Hexadecimal: 0x1464780
- Base-36: CQB9C
Squares and roots of 21383040
- 21383040 squared (213830402) is 457234399641600
- 21383040 cubed (213830403) is 9777061456912318464000
-
The
square root of 21383040 is 4624.1799272953 -
The
cube root of 21383040 is 277.5597468951
Scales and comparisons
How big is 21383040?- 21,383,040 seconds is equal to 35 weeks, 2 days, 11 hours, 44 minutes.
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To count from 1 to 21,383,040 would take you about five hours!
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 21383040 cubic inches would be around 23.1 feet tall.
Recreational maths with 21383040
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The information we have on file for 21383040 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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