81216928320000
81,216,928,320,000 is an even composite number composed of seven prime numbers multiplied together.
81216928320000 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, six hundred divisors.
Prime factorization of 81216928320000:
29 × 3 × 54 × 11 × 67 × 191 × 601
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 11 × 67 × 191 × 601)See below for interesting mathematical facts about the number 81216928320000 from the Numbermatics database.
Names of 81216928320000
- Cardinal: 81216928320000 can be written as Eighty-one trillion, two hundred sixteen billion, nine hundred twenty-eight million, three hundred twenty thousand.
Scientific notation
- Scientific notation: 8.121692832 × 1013
Factors of 81216928320000
Divisors of 81216928320000
- Number of divisors d(n): 1600
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 44 48 50 55 60 64 66 67 75 80 88 96 100 110 120 125 128 132 134 150 160 165 176 191 192 200 201 220 240 250 256 264 268 275 300 320 330 335 352 375 382 384 400 402 440 480 500 512 528 536 550 573 600 601 625 640 660 670 704 737 750 764 768 800 804 825 880 955 960 1000 1005 1056 1072 1100 1146 1200 1202 1250 1280 1320 1340 1375 1408 1474 1500 1528 1536 1600 1608 1650 1675 1760 1803 1875 1910 1920 2000 2010 2101 2112 2144 2200 2211 2292 2400 2404 2500 2560 2640 2680 2750 2816 2865 2948 3000 3005 3056 3200 3216 3300 3350 3520 3606 3685 3750 3820 3840 4000 4020 4125 4202 4224 4288 4400 4422 4584 4775 4800 4808 5000 5025 5280 5360 5500 5632 5730 5896 6000 6010 6112 6303 6400 6432 6600 6611 6700 6875 7040 7212 7370 7500 7640 7680 8000 8040 8250 8375 8404 8448 8576 8800 8844 9015 9168 9550 9600 9616 10000 10050 10505 10560 10720 11000 11055 11460 11792 12000 12020 12224 12606 12797 12800 12864 13200 13222 13400 13750 14080 14325 14424 14740 15000 15025 15280 16000 16080 16500 16750 16808 16896 17152 17600 17688 18030 18336 18425 19100 19200 19232 19833 20000 20100 20625 21010 21120 21440 22000 22110 22920 23584 23875 24000 24040 24448 25125 25212 25594 25728 26400 26444 26800 27500 28160 28650 28848 29480 30000 30050 30560 31515 32000 32160 33000 33055 33500 33616 34304 35200 35376 36060 36672 36850 38200 38391 38400 38464 39666 40000 40200 40267 41250 41875 42020 42240 42880 44000 44220 45075 45840 47168 47750 48000 48080 48896 50250 50424 51188 51456 52525 52800 52888 53600 55000 55275 57300 57696 58960 60000 60100 61120 63030 63985 64000 64320 66000 66110 67000 67232 70400 70752 71625 72120 73344 73700 75125 76400 76782 76928 79332 80000 80400 80534 82500 83750 84040 84480 85760 88000 88440 90150 91680 92125 94336 95500 96000 96160 97792 99165 100500 100848 102376 102912 105050 105600 105776 107200 110000 110550 114600 114791 115392 117920 119375 120000 120200 120801 122240 125625 126060 127970 128640 132000 132220 134000 134464 140767 140800 141504 143250 144240 146688 147400 150250 152800 153564 153856 157575 158664 160000 160800 161068 165000 165275 167500 168080 171520 176000 176880 180300 183360 184250 188672 191000 191955 192000 192320 198330 201000 201335 201696 204752 210100 211200 211552 214400 220000 221100 225375 229200 229582 230784 235840 238750 240000 240400 241602 244480 251250 252120 255940 257280 262625 264000 264440 268000 268928 276375 281534 283008 286500 288480 293376 294800 300500 305600 307128 307712 315150 317328 319925 320000 321600 322136 330000 330550 335000 336160 344373 352000 353760 358125 360600 366720 368500 375625 377344 382000 383910 384640 396660 402000 402670 403392 409504 420200 422301 422400 423104 428800 440000 442200 442937 450750 458400 459164 460625 461568 471680 477500 480000 480800 483204 488960 495825 502500 504240 511880 514560 525250 528000 528880 536000 537856 552750 563068 566016 573000 573955 576960 589600 601000 604005 611200 614256 630300 634656 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38656320000 40406432000 40608464160 42300483500 42521952000 43315695104 45045440000 46145982000 48487718400 49222380800 50508040000 50760580200 52875604375 53152440000 54144618880 55099680000 57682477500 59066856960 60609648000 61527976000 63450725250 64973542656 67568160000 67680773600 70869920000 73833571200 75762060000 76909970000 80812864000 81216928320 84600967000 85043904000 92291964000 98444761600 101016080000 101521160400 105751208750 106304880000 108289237760 110199360000 115364955000 121219296000 123055952000 126901450500 129947085312 135136320000 135361547200 141739840000 147667142400 151524120000 153819940000 158626813125 162433856640 169201934000 184583928000 202032160000 203042320800 211502417500 212609760000 216578475520 230729910000 242438592000 246111904000 253802901000 270723094400 295334284800 303048240000 307639880000 317253626250 324867713280 338403868000 369167856000 404064320000 406084641600 423004835000 425219520000 461459820000 492223808000 507605802000 541446188800 606096480000 615279760000 634507252500 649735426560 676807736000 738335712000 812169283200 846009670000 922919640000 1015211604000 1082892377600 1212192960000 1230559520000 1269014505000 1353615472000 1476671424000 1624338566400 1692019340000 1845839280000 2030423208000 2461119040000 2538029010000 2707230944000 3248677132800 3384038680000 3691678560000 4060846416000 5076058020000 5414461888000 6768077360000 7383357120000 8121692832000 10152116040000 13536154720000 16243385664000 20304232080000 27072309440000 40608464160000 81216928320000
- Sum of all divisors σ(n): 301421715775488
- Sum of proper divisors (its aliquot sum) s(n): 220204787455488
- 81216928320000 is an abundant number, because the sum of its proper divisors (220204787455488) is greater than itself. Its abundance is 138987859135488
Bases of 81216928320000
- Binary: 100100111011101110010100010100110001010000000002
- Hexadecimal: 0x49DDCA298A00
- Base-36: SSEJI5UYO
Squares and roots of 81216928320000
- 81216928320000 squared (812169283200002) is 6596189445736018022400000000
- 81216928320000 cubed (812169283200003) is 535722245399482705367488954368000000000000
-
The
square root of 81216928320000 is 9012043.5152078577 -
The
cube root of 81216928320000 is 43306.0779603181
Scales and comparisons
How big is 81216928320000?- 81,216,928,320,000 seconds is equal to 2,582,447 years, 5 weeks, 1 day, 10 hours, 40 minutes.
-
To count from 1 to 81,216,928,320,000 would take you about six million, four hundred fifty-six thousand, one hundred seventeen 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 81216928320000 cubic inches would be around 3608.8 feet tall.
Recreational maths with 81216928320000
- 81216928320000 backwards is 00002382961218
- The number of decimal digits it has is: 14
- The sum of 81216928320000's digits is 42
- More coming soon!
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The information we have on file for 81216928320000 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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