18008947242
18,008,947,242 is an even composite number composed of six prime numbers multiplied together.
18008947242 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 18008947242:
2 × 35 × 11 × 132 × 31 × 643
(2 × 3 × 3 × 3 × 3 × 3 × 11 × 13 × 13 × 31 × 643)See below for interesting mathematical facts about the number 18008947242 from the Numbermatics database.
Names of 18008947242
- Cardinal: 18008947242 can be written as Eighteen billion, eight million, nine hundred forty-seven thousand, two hundred forty-two.
Scientific notation
- Scientific notation: 1.8008947242 × 1010
Factors of 18008947242
Divisors of 18008947242
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 6 9 11 13 18 22 26 27 31 33 39 54 62 66 78 81 93 99 117 143 162 169 186 198 234 243 279 286 297 338 341 351 403 429 486 507 558 594 643 682 702 806 837 858 891 1014 1023 1053 1209 1286 1287 1521 1674 1782 1859 1929 2046 2106 2418 2511 2574 2673 3042 3069 3159 3627 3718 3858 3861 4433 4563 5022 5239 5346 5577 5787 6138 6318 7073 7254 7533 7722 8359 8866 9126 9207 10478 10881 11154 11574 11583 13299 13689 14146 15066 15717 16718 16731 17361 18414 19933 21219 21762 23166 25077 26598 27378 27621 31434 32643 33462 34722 34749 39866 39897 41067 42438 47151 50154 50193 52083 55242 57629 59799 63657 65286 69498 75231 79794 82134 82863 91949 94302 97929 100386 104166 108667 115258 119598 119691 127314 141453 150462 150579 156249 165726 172887 179397 183898 190971 195858 217334 219263 225693 239382 259129 275847 282906 301158 312498 326001 345774 358794 359073 381942 424359 438526 451386 451737 518258 518661 538191 551694 572913 652002 657789 677079 718146 777387 827541 848718 903474 978003 1037322 1076382 1077219 1145826 1195337 1273077 1315578 1354158 1554774 1555983 1614573 1655082 1718739 1956006 1973367 2031237 2154438 2332161 2390674 2482623 2546154 2850419 2934009 3111966 3229146 3368677 3437478 3586011 3946734 4062474 4664322 4667949 4843719 4965246 5700838 5868018 5920101 6737354 6996483 7172022 7447869 8551257 8802027 9335898 9687438 10106031 10758033 11840202 13992966 14003847 14895738 17102514 17604054 17760303 20212062 20989449 21516066 22343607 25653771 26406081 28007694 30318093 32274099 35520606 37055447 41978898 44687214 51307542 52812162 53280909 60636186 62968347 64548198 74110894 76961313 90954279 96822297 106561818 111166341 125936694 153922626 181908558 193644594 222332682 230883939 272862837 290466891 333499023 461767878 545725674 580933782 666998046 692651817 818588511 1000497069 1385303634 1637177022 2000994138 3001491207 6002982414 9004473621 18008947242
- Sum of all divisors σ(n): 49418643456
- Sum of proper divisors (its aliquot sum) s(n): 31409696214
- 18008947242 is an abundant number, because the sum of its proper divisors (31409696214) is greater than itself. Its abundance is 13400748972
Bases of 18008947242
- Binary: 100001100010110101010111010001010102
- Hexadecimal: 0x4316ABA2A
- Base-36: 89U28MI
Squares and roots of 18008947242
- 18008947242 squared (180089472422) is 324322180765139406564
- 18008947242 cubed (180089472423) is 5840701042809782765586264496488
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The
square root of 18008947242 is 134197.4189096049 -
The
cube root of 18008947242 is 2621.1755520493
Scales and comparisons
How big is 18008947242?- 18,008,947,242 seconds is equal to 572 years, 32 weeks, 4 days, 21 hours, 20 minutes, 42 seconds.
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To count from 1 to 18,008,947,242 would take you about one thousand, one hundred forty-five 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 18008947242 cubic inches would be around 218.4 feet tall.
Recreational maths with 18008947242
- 18008947242 backwards is 24274980081
- The number of decimal digits it has is: 11
- The sum of 18008947242's digits is 45
- More coming soon!
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