81343080
81,343,080 is an even composite number composed of six prime numbers multiplied together.
81343080 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 81343080:
23 × 32 × 5 × 7 × 132 × 191
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 13 × 191)See below for interesting mathematical facts about the number 81343080 from the Numbermatics database.
Names of 81343080
- Cardinal: 81343080 can be written as Eighty-one million, three hundred forty-three thousand and eighty.
Scientific notation
- Scientific notation: 8.134308 × 107
Factors of 81343080
Divisors of 81343080
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 28 30 35 36 39 40 42 45 52 56 60 63 65 70 72 78 84 90 91 104 105 117 120 126 130 140 156 168 169 180 182 191 195 210 234 252 260 273 280 312 315 338 360 364 382 390 420 455 468 504 507 520 546 573 585 630 676 728 764 780 819 840 845 910 936 955 1014 1092 1146 1170 1183 1260 1337 1352 1365 1521 1528 1560 1638 1690 1719 1820 1910 2028 2184 2292 2340 2366 2483 2520 2535 2674 2730 2865 3042 3276 3380 3438 3549 3640 3820 4011 4056 4095 4584 4680 4732 4966 5070 5348 5460 5730 5915 6084 6552 6685 6760 6876 7098 7449 7605 7640 8022 8190 8595 9464 9932 10140 10647 10696 10920 11460 11830 12033 12168 12415 13370 13752 14196 14898 15210 16044 16380 17190 17381 17745 19864 20055 20280 21294 22347 22920 23660 24066 24830 26740 28392 29796 30420 32088 32279 32760 34380 34762 35490 37245 40110 42588 44694 47320 48132 49660 52143 53235 53480 59592 60165 60840 64558 68760 69524 70980 74490 80220 85176 86905 89388 96264 96837 99320 104286 106470 111735 120330 129116 139048 141960 148980 156429 160440 161395 173810 178776 193674 208572 212940 223470 225953 240660 258232 260715 290511 297960 312858 322790 347620 387348 417144 425880 446940 451906 481320 484185 521430 581022 625716 645580 677859 695240 774696 782145 893880 903812 968370 1042860 1129765 1162044 1251432 1291160 1355718 1452555 1564290 1807624 1936740 2033577 2085720 2259530 2324088 2711436 2905110 3128580 3389295 3873480 4067154 4519060 5422872 5810220 6257160 6778590 8134308 9038120 10167885 11620440 13557180 16268616 20335770 27114360 40671540 81343080
- Sum of all divisors σ(n): 328872960
- Sum of proper divisors (its aliquot sum) s(n): 247529880
- 81343080 is an abundant number, because the sum of its proper divisors (247529880) is greater than itself. Its abundance is 166186800
Bases of 81343080
- Binary: 1001101100100110010011010002
- Hexadecimal: 0x4D93268
- Base-36: 1CFGQ0
Squares and roots of 81343080
- 81343080 squared (813430802) is 6616696663886400
- 81343080 cubed (813430803) is 538222486066244546112000
-
The
square root of 81343080 is 9019.0398602069 -
The
cube root of 81343080 is 433.2848834721
Scales and comparisons
How big is 81343080?- 81,343,080 seconds is equal to 2 years, 30 weeks, 3 days, 11 hours, 18 minutes.
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To count from 1 to 81,343,080 would take you about three 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 81343080 cubic inches would be around 36.1 feet tall.
Recreational maths with 81343080
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