20989350018
20,989,350,018 is an even composite number composed of six prime numbers multiplied together.
20989350018 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20989350018:
2 × 35 × 72 × 13 × 151 × 449
(2 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 13 × 151 × 449)See below for interesting mathematical facts about the number 20989350018 from the Numbermatics database.
Names of 20989350018
- Cardinal: 20989350018 can be written as Twenty billion, nine hundred eighty-nine million, three hundred fifty thousand and eighteen.
Scientific notation
- Scientific notation: 2.0989350018 × 1010
Factors of 20989350018
Divisors of 20989350018
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 6 7 9 13 14 18 21 26 27 39 42 49 54 63 78 81 91 98 117 126 147 151 162 182 189 234 243 273 294 302 351 378 441 449 453 486 546 567 637 702 819 882 898 906 1053 1057 1134 1274 1323 1347 1359 1638 1701 1911 1963 2106 2114 2457 2646 2694 2718 3143 3159 3171 3402 3822 3926 3969 4041 4077 4914 5733 5837 5889 6286 6318 6342 7371 7399 7938 8082 8154 9429 9513 11466 11674 11778 11907 12123 12231 13741 14742 14798 17199 17511 17667 18858 19026 22001 22113 22197 23814 24246 24462 27482 28287 28539 34398 35022 35334 36369 36693 40859 41223 44002 44226 44394 51597 52533 53001 56574 57078 66003 66591 67799 72738 73386 81718 82446 84861 85617 96187 103194 105066 106002 109107 122577 123669 132006 133182 135598 154791 157599 159003 169722 171234 192374 198009 199773 203397 218214 245154 247338 254583 256851 286013 288561 309582 315198 318006 367731 371007 396018 399546 406794 472797 474593 477009 509166 513702 572026 577122 594027 599319 610191 735462 742014 763749 858039 865683 881387 945594 949186 954018 1103193 1113021 1188054 1198638 1220382 1418391 1423779 1527498 1716078 1731366 1762774 1782081 1797957 1830573 2206386 2226042 2574117 2597049 2644161 2836782 2847558 3309579 3322151 3339063 3564162 3595914 3661146 4271337 5148234 5194098 5288322 5346243 5491719 6169709 6619158 6644302 6678126 7722351 7791147 7932483 8542674 9928737 9966453 10692486 10983438 12339418 12814011 15444702 15582294 15864966 16475157 18509127 19857474 19932906 23167053 23373441 23797449 25628022 29899359 32950314 37018254 38442033 43187963 46334106 46746882 47594898 55527381 59798718 69501159 71392347 76884066 86375926 89698077 111054762 115326099 129563889 139002318 142784694 166582143 179396154 214177041 230652198 259127778 269094231 333164286 388691667 428354082 499746429 538188462 777383334 807282693 999492858 1166075001 1499239287 1614565386 2332150002 2998478574 3498225003 6996450006 10494675009 20989350018
- Sum of all divisors σ(n): 59604854400
- Sum of proper divisors (its aliquot sum) s(n): 38615504382
- 20989350018 is an abundant number, because the sum of its proper divisors (38615504382) is greater than itself. Its abundance is 17626154364
Bases of 20989350018
- Binary: 100111000110001000000010000100000102
- Hexadecimal: 0x4E3101082
- Base-36: 9N4IM4I
Squares and roots of 20989350018
- 20989350018 squared (209893500182) is 440552814178116600324
- 20989350018 cubed (209893500183) is 9246917218199402320216648205832
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The
square root of 20989350018 is 144877.0168729327 -
The
cube root of 20989350018 is 2758.4577087423
Scales and comparisons
How big is 20989350018?- 20,989,350,018 seconds is equal to 667 years, 20 weeks, 4 days, 7 hours, 18 seconds.
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To count from 1 to 20,989,350,018 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 20989350018 cubic inches would be around 229.9 feet tall.
Recreational maths with 20989350018
- 20989350018 backwards is 81005398902
- The number of decimal digits it has is: 11
- The sum of 20989350018's digits is 45
- More coming soon!
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