21131804672
21,131,804,672 is an even composite number composed of four prime numbers multiplied together.
21131804672 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21131804672:
214 × 11 × 37 × 3169
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 37 × 3169)See below for interesting mathematical facts about the number 21131804672 from the Numbermatics database.
Names of 21131804672
- Cardinal: 21131804672 can be written as Twenty-one billion, one hundred thirty-one million, eight hundred four thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 2.1131804672 × 1010
Factors of 21131804672
Divisors of 21131804672
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 8 11 16 22 32 37 44 64 74 88 128 148 176 256 296 352 407 512 592 704 814 1024 1184 1408 1628 2048 2368 2816 3169 3256 4096 4736 5632 6338 6512 8192 9472 11264 12676 13024 16384 18944 22528 25352 26048 34859 37888 45056 50704 52096 69718 75776 90112 101408 104192 117253 139436 151552 180224 202816 208384 234506 278872 303104 405632 416768 469012 557744 606208 811264 833536 938024 1115488 1289783 1622528 1667072 1876048 2230976 2579566 3245056 3334144 3752096 4461952 5159132 6490112 6668288 7504192 8923904 10318264 12980224 15008384 17847808 20636528 25960448 30016768 35695616 41273056 51920896 60033536 71391232 82546112 120067072 142782464 165092224 240134144 285564928 330184448 480268288 571129856 660368896 960536576 1320737792 1921073152 2641475584 5282951168 10565902336 21131804672
- Sum of all divisors σ(n): 47365353840
- Sum of proper divisors (its aliquot sum) s(n): 26233549168
- 21131804672 is an abundant number, because the sum of its proper divisors (26233549168) is greater than itself. Its abundance is 5101744496
Bases of 21131804672
- Binary: 100111010111000110111000000000000002
- Hexadecimal: 0x4EB8DC000
- Base-36: 9PHBWU8
Squares and roots of 21131804672
- 21131804672 squared (211318046722) is 446553168695561027584
- 21131804672 cubed (211318046723) is 9436474336537260668360692072448
-
The
square root of 21131804672 is 145367.8254360297 -
The
cube root of 21131804672 is 2764.6841915369
Scales and comparisons
How big is 21131804672?- 21,131,804,672 seconds is equal to 671 years, 48 weeks, 1 day, 1 hour, 44 minutes, 32 seconds.
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To count from 1 to 21,131,804,672 would take you about one thousand, three hundred forty-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 21131804672 cubic inches would be around 230.4 feet tall.
Recreational maths with 21131804672
- 21131804672 backwards is 27640813112
- The number of decimal digits it has is: 11
- The sum of 21131804672's digits is 35
- More coming soon!
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The information we have on file for 21131804672 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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