21438904704
21,438,904,704 is an even composite number composed of five prime numbers multiplied together.
21438904704 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21438904704:
27 × 3 × 7 × 29 × 275027
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 29 × 275027)See below for interesting mathematical facts about the number 21438904704 from the Numbermatics database.
Names of 21438904704
- Cardinal: 21438904704 can be written as Twenty-one billion, four hundred thirty-eight million, nine hundred four thousand, seven hundred four.
Scientific notation
- Scientific notation: 2.1438904704 × 1010
Factors of 21438904704
Divisors of 21438904704
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 56 58 64 84 87 96 112 116 128 168 174 192 203 224 232 336 348 384 406 448 464 609 672 696 812 896 928 1218 1344 1392 1624 1856 2436 2688 2784 3248 3712 4872 5568 6496 9744 11136 12992 19488 25984 38976 77952 275027 550054 825081 1100108 1650162 1925189 2200216 3300324 3850378 4400432 5775567 6600648 7700756 7975783 8800864 11551134 13201296 15401512 15951566 17601728 23102268 23927349 26402592 30803024 31903132 35203456 46204536 47854698 52805184 55830481 61606048 63806264 92409072 95709396 105610368 111660962 123212096 127612528 167491443 184818144 191418792 223321924 246424192 255225056 334982886 369636288 382837584 446643848 510450112 669965772 739272576 765675168 893287696 1020900224 1339931544 1531350336 1786575392 2679863088 3062700672 3573150784 5359726176 7146301568 10719452352 21438904704
- Sum of all divisors σ(n): 67326854400
- Sum of proper divisors (its aliquot sum) s(n): 45887949696
- 21438904704 is an abundant number, because the sum of its proper divisors (45887949696) is greater than itself. Its abundance is 24449044992
Bases of 21438904704
- Binary: 100111111011101101110111001100000002
- Hexadecimal: 0x4FDDBB980
- Base-36: 9UK64QO
Squares and roots of 21438904704
- 21438904704 squared (214389047042) is 459626634907193327616
- 21438904704 cubed (214389047043) is 9853891625195517634864075505664
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The
square root of 21438904704 is 146420.3015431945 -
The
cube root of 21438904704 is 2778.0125152275
Scales and comparisons
How big is 21438904704?- 21,438,904,704 seconds is equal to 681 years, 35 weeks, 6 days, 11 hours, 18 minutes, 24 seconds.
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To count from 1 to 21,438,904,704 would take you about one thousand, three hundred sixty-three years!
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 21438904704 cubic inches would be around 231.5 feet tall.
Recreational maths with 21438904704
- 21438904704 backwards is 40740983412
- 21438904704 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21438904704's digits is 42
- More coming soon!
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The information we have on file for 21438904704 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 21438904704, math, Factors of 21438904704, curriculum, school, college, exams, university, Prime factorization of 21438904704, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, four hundred thirty-eight million, nine hundred four thousand, seven hundred four.