81225815040
81,225,815,040 is an even composite number composed of six prime numbers multiplied together.
81225815040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of eight hundred eighty divisors.
Prime factorization of 81225815040:
210 × 34 × 5 × 17 × 41 × 281
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 17 × 41 × 281)See below for interesting mathematical facts about the number 81225815040 from the Numbermatics database.
Names of 81225815040
- Cardinal: 81225815040 can be written as Eighty-one billion, two hundred twenty-five million, eight hundred fifteen thousand and forty.
Scientific notation
- Scientific notation: 8.122581504 × 1010
Factors of 81225815040
Divisors of 81225815040
- Number of divisors d(n): 880
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 40 41 45 48 51 54 60 64 68 72 80 81 82 85 90 96 102 108 120 123 128 135 136 144 153 160 162 164 170 180 192 204 205 216 240 246 255 256 270 272 281 288 306 320 324 328 340 360 369 384 405 408 410 432 459 480 492 510 512 540 544 562 576 612 615 640 648 656 680 697 720 738 765 768 810 816 820 843 864 918 960 984 1020 1024 1080 1088 1107 1124 1152 1224 1230 1280 1296 1312 1360 1377 1394 1405 1440 1476 1530 1536 1620 1632 1640 1686 1728 1836 1845 1920 1968 2040 2091 2160 2176 2214 2248 2295 2304 2448 2460 2529 2560 2592 2624 2720 2754 2788 2810 2880 2952 3060 3072 3240 3264 3280 3321 3372 3456 3485 3672 3690 3840 3936 4080 4182 4215 4320 4352 4428 4496 4590 4608 4777 4896 4920 5058 5120 5184 5248 5440 5508 5535 5576 5620 5760 5904 6120 6273 6480 6528 6560 6642 6744 6885 6912 6970 7344 7380 7587 7680 7872 8160 8364 8430 8640 8704 8856 8992 9180 9216 9554 9792 9840 10116 10368 10455 10496 10880 11016 11070 11152 11240 11520 11521 11808 12240 12546 12645 12960 13056 13120 13284 13488 13770 13824 13940 14331 14688 14760 15174 15360 15744 16320 16605 16728 16860 17280 17408 17712 17984 18360 18819 19108 19584 19680 20232 20736 20910 20992 21760 22032 22140 22304 22480 22761 23040 23042 23616 23885 24480 25092 25290 25920 26112 26240 26568 26976 27540 27648 27880 28662 29376 29520 30348 31365 31488 32640 33210 33456 33720 34560 34563 35424 35968 36720 37638 37935 38216 39168 39360 40464 41472 41820 41984 42993 43520 44064 44280 44608 44960 45522 46080 46084 47232 47770 48960 50184 50580 51840 52224 52480 53136 53952 55080 55760 56457 57324 57605 58752 59040 60696 62730 62976 65280 66420 66912 67440 69120 69126 70848 71655 71936 73440 75276 75870 76432 78336 78720 80928 82944 83640 85986 87040 88128 88560 89216 89920 91044 92168 94095 94464 95540 97920 100368 101160 103680 103689 104960 106272 107904 110160 111520 112914 113805 114648 115210 117504 118080 121392 125460 125952 128979 130560 132840 133824 134880 138240 138252 141696 143310 143872 146880 150552 151740 152864 156672 157440 161856 167280 171972 172815 176256 177120 178432 179840 182088 184336 188190 188928 191080 195840 195857 200736 202320 207360 207378 209920 212544 214965 215808 220320 223040 225828 227610 229296 230420 235008 236160 242784 250920 257958 261120 265680 267648 269760 276504 282285 283392 286620 287744 293760 301104 303480 305728 311067 314880 323712 334560 343944 345630 352512 354240 356864 359680 364176 368672 376380 377856 382160 386937 391680 391714 401472 404640 414720 414756 425088 429930 431616 440640 446080 451656 455220 458592 460840 470016 472320 485568 501840 515916 518445 531360 535296 539520 553008 564570 566784 573240 587520 587571 602208 606960 611456 622134 629760 644895 647424 669120 687888 691260 705024 708480 713728 719360 728352 737344 752760 764320 773874 783360 783428 802944 809280 829512 850176 859860 863232 881280 892160 903312 910440 917184 921680 933201 944640 971136 979285 1003680 1031832 1036890 1062720 1070592 1079040 1106016 1129140 1133568 1146480 1175040 1175142 1204416 1213920 1222912 1244268 1289790 1294848 1338240 1375776 1382520 1410048 1416960 1438720 1456704 1474688 1505520 1528640 1547748 1555335 1566856 1605888 1618560 1659024 1700352 1719720 1762560 1762713 1784320 1806624 1820880 1834368 1843360 1866402 1889280 1934685 1942272 1958570 2007360 2063664 2073780 2125440 2141184 2158080 2212032 2258280 2292960 2350080 2350284 2408832 2427840 2445824 2488536 2579580 2589696 2676480 2751552 2765040 2833920 2913408 2937855 2949376 3011040 3057280 3095496 3110670 3133712 3211776 3237120 3318048 3400704 3439440 3525120 3525426 3568640 3613248 3641760 3668736 3686720 3732804 3869370 3884544 3917140 4014720 4127328 4147560 4250880 4316160 4424064 4516560 4585920 4666005 4700568 4817664 4855680 4891648 4977072 5159160 5288139 5352960 5503104 5530080 5667840 5826816 5875710 5898752 6022080 6114560 6190992 6221340 6267424 6423552 6474240 6636096 6878880 7050240 7050852 7226496 7283520 7337472 7373440 7465608 7738740 7769088 7834280 8029440 8254656 8295120 8501760 8813565 8848128 9033120 9171840 9332010 9401136 9635328 9711360 9954144 10318320 10576278 10705920 11006208 11060160 11653632 11751420 11797504 12044160 12229120 12381984 12442680 12534848 12948480 13272192 13757760 14101704 14452992 14567040 14674944 14746880 14931216 15477480 15668560 15864417 16058880 16509312 16590240 17003520 17627130 17696256 18066240 18343680 18664020 18802272 19270656 19422720 19908288 20636640 21152556 22012416 22120320 23307264 23502840 24088320 24458240 24763968 24885360 25069696 26440695 26544384 27515520 28203408 28905984 29134080 29493760 29862432 30954960 31337120 31728834 32117760 33018624 33180480 35254260 35392512 36132480 36687360 37328040 37604544 38845440 39816576 41273280 42305112 44024832 44240640 47005680 48176640 49527936 49770720 50139392 52881390 53088768 55031040 56406816 57811968 58268160 58987520 59724864 61909920 62674240 63457668 66037248 66360960 70508520 72264960 73374720 74656080 75209088 79322085 79633152 82546560 84610224 88481280 94011360 96353280 99055872 99541440 100278784 105762780 106177536 110062080 112813632 116536320 119449728 123819840 125348480 126915336 132074496 132721920 141017040 144529920 149312160 150418176 158644170 159266304 165093120 169220448 176962560 188022720 198111744 199082880 200557568 211525560 220124160 225627264 238899456 247639680 250696960 253830672 265443840 282034080 289059840 298624320 300836352 317288340 318532608 330186240 338440896 376045440 396223488 398165760 423051120 451254528 477798912 495279360 501393920 507661344 530887680 564068160 597248640 601672704 634576680 660372480 676881792 752090880 796331520 846102240 902509056 955597824 990558720 1002787840 1015322688 1128136320 1194497280 1269153360 1353763584 1504181760 1592663040 1692204480 1805018112 1981117440 2030645376 2256272640 2388994560 2538306720 2707527168 3008363520 3384408960 4061290752 4512545280 4777989120 5076613440 5415054336 6768817920 8122581504 9025090560 10153226880 13537635840 16245163008 20306453760 27075271680 40612907520 81225815040
- Sum of all divisors σ(n): 316829321424
- Sum of proper divisors (its aliquot sum) s(n): 235603506384
- 81225815040 is an abundant number, because the sum of its proper divisors (235603506384) is greater than itself. Its abundance is 154377691344
Bases of 81225815040
- Binary: 10010111010010110111110010100000000002
- Hexadecimal: 0x12E96F9400
- Base-36: 11BBR400
Squares and roots of 81225815040
- 81225815040 squared (812258150402) is 6597633028912290201600
- 81225815040 cubed (812258150403) is 535898120108224656297965912064000
-
The
square root of 81225815040 is 285001.4298911499 -
The
cube root of 81225815040 is 4330.7657413279
Scales and comparisons
How big is 81225815040?- 81,225,815,040 seconds is equal to 2,582 years, 37 weeks, 6 days, 14 hours, 24 minutes.
-
To count from 1 to 81,225,815,040 would take you about five thousand, one hundred sixty-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 81225815040 cubic inches would be around 360.9 feet tall.
Recreational maths with 81225815040
- 81225815040 backwards is 04051852218
- 81225815040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81225815040's digits is 36
- More coming soon!
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The information we have on file for 81225815040 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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