20189988
20,189,988 is an even composite number composed of five prime numbers multiplied together.
20189988 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 20189988:
22 × 32 × 7 × 13 × 6163
(2 × 2 × 3 × 3 × 7 × 13 × 6163)See below for interesting mathematical facts about the number 20189988 from the Numbermatics database.
Names of 20189988
- Cardinal: 20189988 can be written as Twenty million, one hundred eighty-nine thousand, nine hundred eighty-eight.
Scientific notation
- Scientific notation: 2.0189988 × 107
Factors of 20189988
Divisors of 20189988
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 182 234 252 273 364 468 546 819 1092 1638 3276 6163 12326 18489 24652 36978 43141 55467 73956 80119 86282 110934 129423 160238 172564 221868 240357 258846 320476 388269 480714 517692 560833 721071 776538 961428 1121666 1442142 1553076 1682499 2243332 2884284 3364998 5047497 6729996 10094994 20189988
- Sum of all divisors σ(n): 62823488
- Sum of proper divisors (its aliquot sum) s(n): 42633500
- 20189988 is an abundant number, because the sum of its proper divisors (42633500) is greater than itself. Its abundance is 22443512
Bases of 20189988
- Binary: 10011010000010011001001002
- Hexadecimal: 0x1341324
- Base-36: C0QP0
Squares and roots of 20189988
- 20189988 squared (201899882) is 407635615440144
- 20189988 cubed (201899883) is 8230158184109122078272
-
The
square root of 20189988 is 4493.3270524189 -
The
cube root of 20189988 is 272.2985656087
Scales and comparisons
How big is 20189988?- 20,189,988 seconds is equal to 33 weeks, 2 days, 16 hours, 19 minutes, 48 seconds.
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To count from 1 to 20,189,988 would take you about fifty 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 20189988 cubic inches would be around 22.7 feet tall.
Recreational maths with 20189988
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"Number 20189988 - Facts about the integer". Numbermatics.com. 2024. Web. 28 April 2024.
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The information we have on file for 20189988 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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