21528016328
21,528,016,328 is an even composite number composed of four prime numbers multiplied together.
21528016328 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21528016328:
23 × 73 × 133 × 3571
(2 × 2 × 2 × 7 × 7 × 7 × 13 × 13 × 13 × 3571)See below for interesting mathematical facts about the number 21528016328 from the Numbermatics database.
Names of 21528016328
- Cardinal: 21528016328 can be written as Twenty-one billion, five hundred twenty-eight million, sixteen thousand, three hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1528016328 × 1010
Factors of 21528016328
Divisors of 21528016328
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 169 182 196 338 343 364 392 637 676 686 728 1183 1274 1352 1372 2197 2366 2548 2744 3571 4394 4459 4732 5096 7142 8281 8788 8918 9464 14284 15379 16562 17576 17836 24997 28568 30758 33124 35672 46423 49994 57967 61516 66248 92846 99988 107653 115934 123032 174979 185692 199976 215306 231868 324961 349958 371384 430612 463736 603499 649922 699916 753571 861224 1206998 1224853 1299844 1399832 1507142 2274727 2413996 2449706 2599688 3014284 4224493 4549454 4827992 4899412 6028568 7845487 8448986 9098908 9798824 15690974 15923089 16897972 18197816 29571451 31381948 31846178 33795944 54918409 59142902 62763896 63692356 109836818 118285804 127384712 207000157 219673636 236571608 384428863 414000314 439347272 768857726 828000628 1537715452 1656001256 2691002041 3075430904 5382004082 10764008164 21528016328
- Sum of all divisors σ(n): 51008160000
- Sum of proper divisors (its aliquot sum) s(n): 29480143672
- 21528016328 is an abundant number, because the sum of its proper divisors (29480143672) is greater than itself. Its abundance is 7952127344
Bases of 21528016328
- Binary: 101000000110010101101110101110010002
- Hexadecimal: 0x5032B75C8
- Base-36: 9W183PK
Squares and roots of 21528016328
- 21528016328 squared (215280163282) is 463455487018634603584
- 21528016328 cubed (215280163283) is 9977277291838357786222159319552
-
The
square root of 21528016328 is 146724.2867694371 -
The
cube root of 21528016328 is 2781.8561663199
Scales and comparisons
How big is 21528016328?- 21,528,016,328 seconds is equal to 684 years, 27 weeks, 1 day, 20 hours, 32 minutes, 8 seconds.
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To count from 1 to 21,528,016,328 would take you about one thousand, three hundred sixty-nine 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 21528016328 cubic inches would be around 231.8 feet tall.
Recreational maths with 21528016328
- 21528016328 backwards is 82361082512
- The number of decimal digits it has is: 11
- The sum of 21528016328's digits is 38
- More coming soon!
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The information we have on file for 21528016328 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 21528016328, math, Factors of 21528016328, curriculum, school, college, exams, university, Prime factorization of 21528016328, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, five hundred twenty-eight million, sixteen thousand, three hundred twenty-eight.