20988913428
20,988,913,428 is an even composite number composed of five prime numbers multiplied together.
20988913428 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 20988913428:
22 × 34 × 72 × 61 × 21673
(2 × 2 × 3 × 3 × 3 × 3 × 7 × 7 × 61 × 21673)See below for interesting mathematical facts about the number 20988913428 from the Numbermatics database.
Names of 20988913428
- Cardinal: 20988913428 can be written as Twenty billion, nine hundred eighty-eight million, nine hundred thirteen thousand, four hundred twenty-eight.
Scientific notation
- Scientific notation: 2.0988913428 × 1010
Factors of 20988913428
Divisors of 20988913428
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 61 63 81 84 98 108 122 126 147 162 183 189 196 244 252 294 324 366 378 427 441 549 567 588 732 756 854 882 1098 1134 1281 1323 1647 1708 1764 2196 2268 2562 2646 2989 3294 3843 3969 4941 5124 5292 5978 6588 7686 7938 8967 9882 11529 11956 15372 15876 17934 19764 21673 23058 26901 34587 35868 43346 46116 53802 65019 69174 80703 86692 107604 130038 138348 151711 161406 195057 242109 260076 303422 322812 390114 455133 484218 585171 606844 780228 910266 968436 1061977 1170342 1322053 1365399 1755513 1820532 2123954 2340684 2644106 2730798 3185931 3511026 3966159 4096197 4247908 5288212 5461596 6371862 7022052 7932318 8192394 9254371 9557793 11898477 12288591 12743724 15864636 16384788 18508742 19115586 23796954 24577182 27763113 28673379 35695431 37017484 38231172 47593908 49154364 55526226 57346758 64780597 71390862 83289339 86020137 107086293 111052452 114693516 129561194 142781724 166578678 172040274 194341791 214172586 249868017 259122388 333157356 344080548 388683582 428345172 499736034 583025373 749604051 777367164 999472068 1166050746 1499208102 1749076119 2332101492 2998416204 3498152238 5247228357 6996304476 10494456714 20988913428
- Sum of all divisors σ(n): 64876740852
- Sum of proper divisors (its aliquot sum) s(n): 43887827424
- 20988913428 is an abundant number, because the sum of its proper divisors (43887827424) is greater than itself. Its abundance is 22898913996
Bases of 20988913428
- Binary: 100111000110000100101100111000101002
- Hexadecimal: 0x4E3096714
- Base-36: 9N49990
Squares and roots of 20988913428
- 20988913428 squared (209889134282) is 440534486888078711184
- 20988913428 cubed (209889134283) is 9246340207342285194290791378752
-
The
square root of 20988913428 is 144875.5101043651 -
The
cube root of 20988913428 is 2758.4385827983
Scales and comparisons
How big is 20988913428?- 20,988,913,428 seconds is equal to 667 years, 19 weeks, 6 days, 5 hours, 43 minutes, 48 seconds.
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To count from 1 to 20,988,913,428 would take you about one thousand, three hundred thirty-four years!
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 20988913428 cubic inches would be around 229.9 feet tall.
Recreational maths with 20988913428
- 20988913428 backwards is 82431988902
- 20988913428 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20988913428's digits is 54
- More coming soon!
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The information we have on file for 20988913428 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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