21080640
21,080,640 is an even composite number composed of five prime numbers multiplied together.
21080640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 21080640:
26 × 3 × 5 × 7 × 3137
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 3137)See below for interesting mathematical facts about the number 21080640 from the Numbermatics database.
Names of 21080640
- Cardinal: 21080640 can be written as Twenty-one million, eighty thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.108064 × 107
Factors of 21080640
Divisors of 21080640
- Number of divisors d(n): 112
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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 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 448 480 560 672 840 960 1120 1344 1680 2240 3137 3360 6274 6720 9411 12548 15685 18822 21959 25096 31370 37644 43918 47055 50192 62740 65877 75288 87836 94110 100384 109795 125480 131754 150576 175672 188220 200768 219590 250960 263508 301152 329385 351344 376440 439180 501920 527016 602304 658770 702688 752880 878360 1003840 1054032 1317540 1405376 1505760 1756720 2108064 2635080 3011520 3513440 4216128 5270160 7026880 10540320 21080640
- Sum of all divisors σ(n): 76516992
- Sum of proper divisors (its aliquot sum) s(n): 55436352
- 21080640 is an abundant number, because the sum of its proper divisors (55436352) is greater than itself. Its abundance is 34355712
Bases of 21080640
- Binary: 10100000110101010010000002
- Hexadecimal: 0x141AA40
- Base-36: CJTXC
Squares and roots of 21080640
- 21080640 squared (210806402) is 444393382809600
- 21080640 cubed (210806403) is 9368096921391366144000
-
The
square root of 21080640 is 4591.3658098655 -
The
cube root of 21080640 is 276.2451088727
Scales and comparisons
How big is 21080640?- 21,080,640 seconds is equal to 34 weeks, 5 days, 23 hours, 44 minutes.
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To count from 1 to 21,080,640 would take you about twenty-three 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 21080640 cubic inches would be around 23 feet tall.
Recreational maths with 21080640
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The information we have on file for 21080640 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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