81742908024
81,742,908,024 is an even composite number composed of five prime numbers multiplied together.
81742908024 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 81742908024:
23 × 35 × 41 × 972 × 109
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 41 × 97 × 97 × 109)See below for interesting mathematical facts about the number 81742908024 from the Numbermatics database.
Names of 81742908024
- Cardinal: 81742908024 can be written as Eighty-one billion, seven hundred forty-two million, nine hundred eight thousand and twenty-four.
Scientific notation
- Scientific notation: 8.1742908024 × 1010
Factors of 81742908024
Divisors of 81742908024
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 27 36 41 54 72 81 82 97 108 109 123 162 164 194 216 218 243 246 291 324 327 328 369 388 436 486 492 582 648 654 738 776 872 873 972 981 984 1107 1164 1308 1476 1746 1944 1962 2214 2328 2616 2619 2943 2952 3321 3492 3924 3977 4428 4469 5238 5886 6642 6984 7848 7857 7954 8829 8856 8938 9409 9963 10476 10573 11772 11931 13284 13407 15714 15908 17658 17876 18818 19926 20952 21146 23544 23571 23862 26487 26568 26814 28227 31428 31719 31816 35316 35752 35793 37636 39852 40221 42292 47142 47724 52974 53628 56454 62856 63438 70632 71586 75272 79704 80442 84584 84681 94284 95157 95448 105948 107256 107379 112908 120663 126876 143172 160884 169362 188568 190314 211896 214758 225816 241326 253752 254043 285471 286344 321768 322137 338724 361989 380628 385769 429516 433493 482652 508086 570942 644274 677448 723978 761256 762129 771538 856413 859032 866986 965304 966411 1016172 1025581 1085967 1141884 1157307 1288548 1300479 1447956 1524258 1543076 1712826 1733972 1932822 2032344 2051162 2171934 2283768 2286387 2314614 2569239 2577096 2600958 2895912 3048516 3076743 3086152 3425652 3467944 3471921 3865644 3901437 4102324 4343868 4572774 4629228 5138478 5201916 6097032 6153486 6851304 6943842 7731288 7802874 8204648 8687736 9145548 9230229 9258456 10276956 10403832 10415763 11704311 12306972 13887684 15605748 18291096 18460458 20553912 20831526 23408622 24613944 27690687 27775368 31211496 31247289 35112933 36920916 41663052 42048821 46817244 55381374 62494578 70225866 73841832 83072061 83326104 84097642 93634488 93741867 105338799 110762748 124989156 126146463 140451732 166144122 168195284 187483734 210677598 221525496 249216183 249978312 252292926 280903464 332288244 336390568 374967468 378439389 421355196 498432366 504585852 664576488 749934936 756878778 842710392 996864732 1009171704 1135318167 1513757556 1993729464 2270636334 3027515112 3405954501 4541272668 6811909002 9082545336 10217863503 13623818004 20435727006 27247636008 40871454012 81742908024
- Sum of all divisors σ(n): 239815976400
- Sum of proper divisors (its aliquot sum) s(n): 158073068376
- 81742908024 is an abundant number, because the sum of its proper divisors (158073068376) is greater than itself. Its abundance is 76330160352
Bases of 81742908024
- Binary: 10011000010000100000111001010011110002
- Hexadecimal: 0x130841CA78
- Base-36: 11JVM7I0
Squares and roots of 81742908024
- 81742908024 squared (817429080242) is 6681903012220123584576
- 81742908024 cubed (817429080243) is 546198183353198110215909153037824
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The
square root of 81742908024 is 285907.1667936989 -
The
cube root of 81742908024 is 4339.9363611331
Scales and comparisons
How big is 81742908024?- 81,742,908,024 seconds is equal to 2,599 years, 8 weeks, 6 days, 11 hours, 20 minutes, 24 seconds.
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To count from 1 to 81,742,908,024 would take you about five thousand, one hundred ninety-eight 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 81742908024 cubic inches would be around 361.7 feet tall.
Recreational maths with 81742908024
- 81742908024 backwards is 42080924718
- The number of decimal digits it has is: 11
- The sum of 81742908024's digits is 45
- More coming soon!
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