21171136
21,171,136 is an even composite number composed of four prime numbers multiplied together.
21171136 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 21171136:
26 × 72 × 43 × 157
(2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 43 × 157)See below for interesting mathematical facts about the number 21171136 from the Numbermatics database.
Names of 21171136
- Cardinal: 21171136 can be written as Twenty-one million, one hundred seventy-one thousand, one hundred thirty-six.
Scientific notation
- Scientific notation: 2.1171136 × 107
Factors of 21171136
Divisors of 21171136
- Number of divisors d(n): 84
-
Complete list of divisors:
1 2 4 7 8 14 16 28 32 43 49 56 64 86 98 112 157 172 196 224 301 314 344 392 448 602 628 688 784 1099 1204 1256 1376 1568 2107 2198 2408 2512 2752 3136 4214 4396 4816 5024 6751 7693 8428 8792 9632 10048 13502 15386 16856 17584 19264 27004 30772 33712 35168 47257 54008 61544 67424 70336 94514 108016 123088 134848 189028 216032 246176 330799 378056 432064 492352 661598 756112 1323196 1512224 2646392 3024448 5292784 10585568 21171136
- Sum of all divisors σ(n): 50325528
- Sum of proper divisors (its aliquot sum) s(n): 29154392
- 21171136 is an abundant number, because the sum of its proper divisors (29154392) is greater than itself. Its abundance is 7983256
Bases of 21171136
- Binary: 10100001100001011110000002
- Hexadecimal: 0x1430BC0
- Base-36: CLRR4
Squares and roots of 21171136
- 21171136 squared (211711362) is 448216999530496
- 21171136 cubed (211711363) is 9489263054572066963456
-
The
square root of 21171136 is 4601.2102755689 -
The
cube root of 21171136 is 276.6398374009
Scales and comparisons
How big is 21171136?- 21,171,136 seconds is equal to 35 weeks, 52 minutes, 16 seconds.
-
To count from 1 to 21,171,136 would take you about three 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 21171136 cubic inches would be around 23.1 feet tall.
Recreational maths with 21171136
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The information we have on file for 21171136 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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