81437684328
81,437,684,328 is an even composite number composed of seven prime numbers multiplied together.
81437684328 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 81437684328:
23 × 32 × 7 × 11 × 13 × 19 × 59471
(2 × 2 × 2 × 3 × 3 × 7 × 11 × 13 × 19 × 59471)See below for interesting mathematical facts about the number 81437684328 from the Numbermatics database.
Names of 81437684328
- Cardinal: 81437684328 can be written as Eighty-one billion, four hundred thirty-seven million, six hundred eighty-four thousand, three hundred twenty-eight.
Scientific notation
- Scientific notation: 8.1437684328 × 1010
Factors of 81437684328
Divisors of 81437684328
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 13 14 18 19 21 22 24 26 28 33 36 38 39 42 44 52 56 57 63 66 72 76 77 78 84 88 91 99 104 114 117 126 132 133 143 152 154 156 168 171 182 198 209 228 231 234 247 252 264 266 273 286 308 312 342 364 396 399 418 429 456 462 468 494 504 532 546 572 616 627 684 693 728 741 792 798 819 836 858 924 936 988 1001 1064 1092 1144 1197 1254 1287 1368 1386 1463 1482 1596 1638 1672 1716 1729 1848 1881 1976 2002 2184 2223 2394 2508 2574 2717 2772 2926 2964 3003 3192 3276 3432 3458 3762 4004 4389 4446 4788 5016 5148 5187 5434 5544 5852 5928 6006 6552 6916 7524 8008 8151 8778 8892 9009 9576 10296 10374 10868 11704 12012 13167 13832 15048 15561 16302 17556 17784 18018 19019 20748 21736 24024 24453 26334 31122 32604 35112 36036 38038 41496 48906 52668 57057 59471 62244 65208 72072 76076 97812 105336 114114 118942 124488 152152 171171 178413 195624 228228 237884 342342 356826 416297 456456 475768 535239 654181 684684 713652 773123 832594 1070478 1129949 1248891 1308362 1369368 1427304 1546246 1665188 1962543 2140956 2259898 2319369 2497782 2616724 3092492 3330376 3389847 3746673 3925086 4281912 4519796 4579267 4638738 4995564 5233448 5411861 5887629 6184984 6779694 6958107 7493346 7850172 7909643 8504353 9039592 9158534 9277476 9991128 10169541 10823722 11775258 12429439 13559388 13737801 13916214 14689337 14986692 15700344 15819286 16235583 17008706 18317068 18554952 20339082 21647444 23550516 23728929 24858878 25513059 27118776 27475602 27832428 29378674 29973384 31638572 32471166 34017412 36634136 37288317 40678164 41213403 43294888 44068011 47101032 47457858 48706749 49717756 51026118 54951204 55664856 58757348 59530471 63277144 64942332 68034824 71186787 74576634 76539177 81356328 82426806 87006073 88136022 94915716 97413498 99435512 102052236 102825359 109902408 111864951 117514696 119060942 129884664 132204033 142373574 149153268 153078354 161582707 164853612 174012146 176272044 178591413 189831432 194826996 204104472 205650718 223729902 238121884 261018219 264408066 284747148 298306536 306156708 308476077 323165414 329707224 348024292 352544088 357182826 389653992 411301436 447459804 476243768 484748121 522036438 528816132 535774239 569494296 612313416 616952154 646330828 696048584 714365652 783054657 822602872 894919608 925428231 969496242 1044072876 1057632264 1071548478 1131078949 1233904308 1292661656 1428731304 1454244363 1566109314 1850856462 1938992484 2088145752 2143096956 2262157898 2467808616 2908488726 3132218628 3393236847 3701712924 3877984968 4286193912 4524315796 5816977452 6264437256 6786473694 7403425848 9048631592 10179710541 11633954904 13572947388 20359421082 27145894776 40718842164 81437684328
- Sum of all divisors σ(n): 311728435200
- Sum of proper divisors (its aliquot sum) s(n): 230290750872
- 81437684328 is an abundant number, because the sum of its proper divisors (230290750872) is greater than itself. Its abundance is 148853066544
Bases of 81437684328
- Binary: 10010111101100001000001110010011010002
- Hexadecimal: 0x12F6107268
- Base-36: 11ETW7E0
Squares and roots of 81437684328
- 81437684328 squared (814376843282) is 6632096428706976811584
- 81437684328 cubed (814376843283) is 540102575393894934792993725655552
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The
square root of 81437684328 is 285372.8864626071 -
The
cube root of 81437684328 is 4334.5279263081
Scales and comparisons
How big is 81437684328?- 81,437,684,328 seconds is equal to 2,589 years, 24 weeks, 1 day, 18 hours, 58 minutes, 48 seconds.
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To count from 1 to 81,437,684,328 would take you about five thousand, one hundred seventy-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 81437684328 cubic inches would be around 361.2 feet tall.
Recreational maths with 81437684328
- 81437684328 backwards is 82348673418
- The number of decimal digits it has is: 11
- The sum of 81437684328's digits is 54
- More coming soon!
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The information we have on file for 81437684328 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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