20668736
20,668,736 is an even composite number composed of four prime numbers multiplied together.
20668736 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 20668736:
26 × 112 × 17 × 157
(2 × 2 × 2 × 2 × 2 × 2 × 11 × 11 × 17 × 157)See below for interesting mathematical facts about the number 20668736 from the Numbermatics database.
Names of 20668736
- Cardinal: 20668736 can be written as Twenty million, six hundred sixty-eight thousand, seven hundred thirty-six.
Scientific notation
- Scientific notation: 2.0668736 × 107
Factors of 20668736
Divisors of 20668736
- Number of divisors d(n): 84
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Complete list of divisors:
1 2 4 8 11 16 17 22 32 34 44 64 68 88 121 136 157 176 187 242 272 314 352 374 484 544 628 704 748 968 1088 1256 1496 1727 1936 2057 2512 2669 2992 3454 3872 4114 5024 5338 5984 6908 7744 8228 10048 10676 11968 13816 16456 18997 21352 27632 29359 32912 37994 42704 55264 58718 65824 75988 85408 110528 117436 131648 151976 170816 234872 303952 322949 469744 607904 645898 939488 1215808 1291796 1878976 2583592 5167184 10334368 20668736
- Sum of all divisors σ(n): 48038004
- Sum of proper divisors (its aliquot sum) s(n): 27369268
- 20668736 is an abundant number, because the sum of its proper divisors (27369268) is greater than itself. Its abundance is 6700532
Bases of 20668736
- Binary: 10011101101100001010000002
- Hexadecimal: 0x13B6140
- Base-36: CB03K
Squares and roots of 20668736
- 20668736 squared (206687362) is 427196647837696
- 20668736 cubed (206687363) is 8829614734242309472256
-
The
square root of 20668736 is 4546.2881562875 -
The
cube root of 20668736 is 274.4340360167
Scales and comparisons
How big is 20668736?- 20,668,736 seconds is equal to 34 weeks, 1 day, 5 hours, 18 minutes, 56 seconds.
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To count from 1 to 20,668,736 would take you about fifty-one weeks!
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 20668736 cubic inches would be around 22.9 feet tall.
Recreational maths with 20668736
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The information we have on file for 20668736 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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