81327930840
81,327,930,840 is an even composite number composed of six prime numbers multiplied together.
81327930840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 81327930840:
23 × 32 × 5 × 133 × 312 × 107
(2 × 2 × 2 × 3 × 3 × 5 × 13 × 13 × 13 × 31 × 31 × 107)See below for interesting mathematical facts about the number 81327930840 from the Numbermatics database.
Names of 81327930840
- Cardinal: 81327930840 can be written as Eighty-one billion, three hundred twenty-seven million, nine hundred thirty thousand, eight hundred forty.
Scientific notation
- Scientific notation: 8.132793084 × 1010
Factors of 81327930840
Divisors of 81327930840
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 31 36 39 40 45 52 60 62 65 72 78 90 93 104 107 117 120 124 130 155 156 169 180 186 195 214 234 248 260 279 310 312 321 338 360 372 390 403 428 465 468 507 520 535 558 585 620 642 676 744 780 806 845 856 930 936 961 963 1014 1070 1116 1170 1209 1240 1284 1352 1391 1395 1521 1560 1605 1612 1690 1860 1922 1926 2015 2028 2140 2197 2232 2340 2418 2535 2568 2782 2790 2883 3042 3210 3224 3317 3380 3627 3720 3844 3852 4030 4056 4173 4280 4394 4680 4805 4815 4836 5070 5239 5564 5580 5766 6045 6084 6420 6591 6634 6760 6955 7254 7605 7688 7704 8060 8346 8649 8788 9610 9630 9672 9951 10140 10478 10985 11128 11160 11532 12090 12168 12493 12519 12840 13182 13268 13910 14415 14508 15210 15717 16120 16585 16692 17298 17576 18083 18135 19220 19260 19773 19902 20280 20865 20956 21970 23064 24180 24986 25038 26195 26364 26536 27820 28830 29016 29853 30420 31434 32955 33170 33384 34596 36166 36270 37479 38440 38520 39546 39804 41730 41912 43121 43245 43940 47151 48360 49755 49972 50076 52390 52728 54249 55640 57660 59706 60840 62465 62595 62868 65910 66340 68107 69192 72332 72540 74958 78585 79092 79608 83460 86242 86490 87880 90415 94302 98865 99510 99944 100152 102827 104780 108498 112437 115320 119412 124930 125190 125736 129363 131820 132680 136214 144664 145080 149265 149916 157170 158184 162409 162747 166920 172484 172980 180830 187395 188604 197730 199020 204321 205654 209560 215605 216996 224874 235079 235755 238824 249860 250380 258726 263640 271245 272428 298530 299832 308481 314340 324818 325494 340535 344968 345960 361660 374790 377208 388089 395460 398040 408642 411308 431210 433992 449748 470158 471510 487227 499720 500760 514135 517452 542490 544856 560573 562185 597060 612963 616962 628680 646815 649636 650988 681070 705237 723320 749580 776178 790920 812045 813735 817284 822616 862420 899496 925443 940316 943020 974454 1021605 1028270 1034904 1084980 1121146 1124370 1175395 1194120 1225926 1233924 1293630 1299272 1301976 1336751 1362140 1410474 1461681 1499160 1542405 1552356 1624090 1627470 1634568 1681719 1724840 1850886 1880632 1886040 1940445 1948908 2043210 2056540 2111317 2115711 2169960 2242292 2248740 2350790 2436135 2451852 2467848 2587260 2673502 2724280 2802865 2820948 2923362 3064815 3084810 3104712 3248180 3254940 3363438 3526185 3701772 3880890 3897816 4010253 4086420 4113080 4222634 4231422 4484584 4497480 4627215 4701580 4872270 4903704 5045157 5174520 5347004 5605730 5641896 5846724 6129630 6169620 6333951 6496360 6509880 6683755 6726876 7052370 7287449 7308405 7403544 7761780 8020506 8172840 8408595 8445268 8462844 9254430 9403160 9744540 10090314 10556585 10578555 10694008 11211460 11693448 12030759 12259260 12339240 12667902 13367510 13453752 14104740 14574898 14616810 15523560 16041012 16817190 16890536 16925688 17377763 18508860 19001853 19489080 20051265 20180628 21113170 21157110 21862347 22422920 24061518 24518520 25225785 25335804 26735020 28209480 29149796 29233620 31669755 32082024 33634380 34755526 36437245 37017720 38003706 40102530 40361256 42226340 42314220 43724694 48123036 50451570 50671608 52133289 53470040 58299592 58467240 60153795 63339510 65587041 67268760 69511052 72874490 76007412 80205060 84452680 84628440 86888815 87449388 95009265 96246072 100903140 104266578 109311735 120307590 126679020 131174082 139022104 145748980 152014824 156399867 160410120 173777630 174898776 190018530 201806280 208533156 218623470 225910919 240615180 253358040 260666445 262348164 291497960 312799734 327935205 347555260 380037060 417066312 437246940 451821838 481230360 521332890 524696328 625599468 655870410 677732757 695110520 760074120 781999335 874493880 903643676 1042665780 1129554595 1251198936 1311740820 1355465514 1563998670 1807287352 2033198271 2085331560 2259109190 2623481640 2710931028 3127997340 3388663785 4066396542 4518218380 5421862056 6255994680 6777327570 8132793084 9036436760 10165991355 13554655140 16265586168 20331982710 27109310280 40663965420 81327930840
- Sum of all divisors σ(n): 298631642400
- Sum of proper divisors (its aliquot sum) s(n): 217303711560
- 81327930840 is an abundant number, because the sum of its proper divisors (217303711560) is greater than itself. Its abundance is 135975780720
Bases of 81327930840
- Binary: 10010111011111000010110111101110110002
- Hexadecimal: 0x12EF85BDD8
- Base-36: 11D0JT20
Squares and roots of 81327930840
- 81327930840 squared (813279308402) is 6614232334715823105600
- 81327930840 cubed (813279308403) is 537921829877460192585910816704000
-
The
square root of 81327930840 is 285180.5232479947 -
The
cube root of 81327930840 is 4332.5798378761
Scales and comparisons
How big is 81327930840?- 81,327,930,840 seconds is equal to 2,585 years, 50 weeks, 5 days, 11 hours, 54 minutes.
-
To count from 1 to 81,327,930,840 would take you about five thousand, one hundred seventy-one 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 81327930840 cubic inches would be around 361 feet tall.
Recreational maths with 81327930840
- 81327930840 backwards is 04803972318
- 81327930840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81327930840's digits is 45
- More coming soon!
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The information we have on file for 81327930840 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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