20749197
20,749,197 is an odd composite number composed of five prime numbers multiplied together.
20749197 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 20749197:
3 × 72 × 17 × 192 × 23
(3 × 7 × 7 × 17 × 19 × 19 × 23)See below for interesting mathematical facts about the number 20749197 from the Numbermatics database.
Names of 20749197
- Cardinal: 20749197 can be written as Twenty million, seven hundred forty-nine thousand, one hundred ninety-seven.
Scientific notation
- Scientific notation: 2.0749197 × 107
Factors of 20749197
Divisors of 20749197
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 7 17 19 21 23 49 51 57 69 119 133 147 161 323 357 361 391 399 437 483 833 931 969 1083 1127 1173 1311 2261 2499 2527 2737 2793 3059 3381 6137 6783 7429 7581 8211 8303 9177 15827 17689 18411 19159 21413 22287 24909 42959 47481 52003 53067 57477 58121 64239 128877 141151 156009 174363 300713 364021 406847 423453 902139 988057 1092063 1220541 2964171 6916399 20749197
- Sum of all divisors σ(n): 37526976
- Sum of proper divisors (its aliquot sum) s(n): 16777779
- 20749197 is a deficient number, because the sum of its proper divisors (16777779) is less than itself. Its deficiency is 3971418
Bases of 20749197
- Binary: 10011110010011011100011012
- Hexadecimal: 0x13C9B8D
- Base-36: CCQ6L
Squares and roots of 20749197
- 20749197 squared (207491972) is 430529176144809
- 20749197 cubed (207491973) is 8933134690076342468373
-
The
square root of 20749197 is 4555.1286480187 -
The
cube root of 20749197 is 274.7896882367
Scales and comparisons
How big is 20749197?- 20,749,197 seconds is equal to 34 weeks, 2 days, 3 hours, 39 minutes, 57 seconds.
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To count from 1 to 20,749,197 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 20749197 cubic inches would be around 22.9 feet tall.
Recreational maths with 20749197
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The information we have on file for 20749197 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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