21386112
21,386,112 is an even composite number composed of five prime numbers multiplied together.
21386112 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 21386112:
27 × 3 × 11 × 61 × 83
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 61 × 83)See below for interesting mathematical facts about the number 21386112 from the Numbermatics database.
Names of 21386112
- Cardinal: 21386112 can be written as Twenty-one million, three hundred eighty-six thousand, one hundred twelve.
Scientific notation
- Scientific notation: 2.1386112 × 107
Factors of 21386112
Divisors of 21386112
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 61 64 66 83 88 96 122 128 132 166 176 183 192 244 249 264 332 352 366 384 488 498 528 664 671 704 732 913 976 996 1056 1328 1342 1408 1464 1826 1952 1992 2013 2112 2656 2684 2739 2928 3652 3904 3984 4026 4224 5063 5312 5368 5478 5856 7304 7808 7968 8052 10126 10624 10736 10956 11712 14608 15189 15936 16104 20252 21472 21912 23424 29216 30378 31872 32208 40504 42944 43824 55693 58432 60756 64416 81008 85888 87648 111386 116864 121512 128832 162016 167079 175296 222772 243024 257664 324032 334158 350592 445544 486048 648064 668316 891088 972096 1336632 1782176 1944192 2673264 3564352 5346528 7128704 10693056 21386112
- Sum of all divisors σ(n): 63745920
- Sum of proper divisors (its aliquot sum) s(n): 42359808
- 21386112 is an abundant number, because the sum of its proper divisors (42359808) is greater than itself. Its abundance is 20973696
Bases of 21386112
- Binary: 10100011001010011100000002
- Hexadecimal: 0x1465380
- Base-36: CQDMO
Squares and roots of 21386112
- 21386112 squared (213861122) is 457365786476544
- 21386112 cubed (213861123) is 9781275934555455356928
-
The
square root of 21386112 is 4624.5120823715 -
The
cube root of 21386112 is 277.5730381563
Scales and comparisons
How big is 21386112?- 21,386,112 seconds is equal to 35 weeks, 2 days, 12 hours, 35 minutes, 12 seconds.
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To count from 1 to 21,386,112 would take you about six hours!
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 21386112 cubic inches would be around 23.1 feet tall.
Recreational maths with 21386112
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The information we have on file for 21386112 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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