21680316
21,680,316 is an even composite number composed of five prime numbers multiplied together.
21680316 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21680316:
22 × 32 × 7 × 227 × 379
(2 × 2 × 3 × 3 × 7 × 227 × 379)See below for interesting mathematical facts about the number 21680316 from the Numbermatics database.
Names of 21680316
- Cardinal: 21680316 can be written as Twenty-one million, six hundred eighty thousand, three hundred sixteen.
Scientific notation
- Scientific notation: 2.1680316 × 107
Factors of 21680316
Divisors of 21680316
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 227 252 379 454 681 758 908 1137 1362 1516 1589 2043 2274 2653 2724 3178 3411 4086 4548 4767 5306 6356 6822 7959 8172 9534 10612 13644 14301 15918 19068 23877 28602 31836 47754 57204 86033 95508 172066 258099 344132 516198 602231 774297 1032396 1204462 1548594 1806693 2408924 3097188 3613386 5420079 7226772 10840158 21680316
- Sum of all divisors σ(n): 63073920
- Sum of proper divisors (its aliquot sum) s(n): 41393604
- 21680316 is an abundant number, because the sum of its proper divisors (41393604) is greater than itself. Its abundance is 19713288
Bases of 21680316
- Binary: 10100101011010000101111002
- Hexadecimal: 0x14AD0BC
- Base-36: CWON0
Squares and roots of 21680316
- 21680316 squared (216803162) is 470036101859856
- 21680316 cubed (216803163) is 10190531219729865794496
-
The
square root of 21680316 is 4656.2126240111 -
The
cube root of 21680316 is 278.8400825571
Scales and comparisons
How big is 21680316?- 21,680,316 seconds is equal to 35 weeks, 5 days, 22 hours, 18 minutes, 36 seconds.
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To count from 1 to 21,680,316 would take you about five days!
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 21680316 cubic inches would be around 23.2 feet tall.
Recreational maths with 21680316
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The information we have on file for 21680316 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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