81029085984
81,029,085,984 is an even composite number composed of seven prime numbers multiplied together.
81029085984 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of eight hundred sixty-four divisors.
Prime factorization of 81029085984:
25 × 32 × 72 × 11 × 19 × 83 × 331
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 7 × 11 × 19 × 83 × 331)See below for interesting mathematical facts about the number 81029085984 from the Numbermatics database.
Names of 81029085984
- Cardinal: 81029085984 can be written as Eighty-one billion, twenty-nine million, eighty-five thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 8.1029085984 × 1010
Factors of 81029085984
Divisors of 81029085984
- Number of divisors d(n): 864
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Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 16 18 19 21 22 24 28 32 33 36 38 42 44 48 49 56 57 63 66 72 76 77 83 84 88 96 98 99 112 114 126 132 133 144 147 152 154 166 168 171 176 196 198 209 224 228 231 249 252 264 266 288 294 304 308 331 332 336 342 352 392 396 399 418 441 456 462 498 504 528 532 539 581 588 608 616 627 662 664 672 684 693 747 784 792 798 836 882 912 913 924 931 993 996 1008 1056 1064 1078 1162 1176 1197 1232 1254 1324 1328 1368 1386 1463 1494 1568 1577 1584 1596 1617 1672 1743 1764 1824 1826 1848 1862 1881 1986 1992 2016 2128 2156 2317 2324 2352 2394 2464 2508 2648 2656 2736 2739 2772 2793 2926 2979 2988 3154 3168 3192 3234 3344 3486 3528 3641 3652 3696 3724 3762 3972 3984 4067 4256 4312 4389 4634 4648 4704 4731 4788 4851 5016 5229 5296 5472 5478 5544 5586 5852 5958 5976 6289 6308 6384 6391 6468 6688 6951 6972 7056 7282 7304 7392 7448 7524 7944 7968 8134 8217 8379 8624 8778 9268 9296 9462 9576 9702 10032 10241 10458 10592 10923 10956 11039 11088 11172 11704 11916 11952 12201 12578 12616 12768 12782 12936 13167 13902 13944 14112 14193 14564 14608 14896 15048 15888 16219 16268 16434 16758 17248 17347 17556 18536 18592 18867 18924 19152 19173 19404 20064 20482 20853 20916 21846 21912 22078 22176 22344 23408 23832 23904 24402 25156 25232 25487 25564 25872 26334 27473 27804 27888 28386 29128 29216 29792 30096 30723 31776 32438 32536 32769 32868 33117 33516 34694 35112 36603 37072 37734 37848 38304 38346 38808 40964 41706 41832 43692 43824 44023 44156 44688 44737 46816 47664 48657 48804 50312 50464 50974 51128 51744 52041 52668 54946 55608 55776 56601 56772 57519 58256 60192 61446 64876 65072 65538 65736 66234 67032 69179 69388 70224 73206 74144 75468 75696 76461 76692 77273 77616 81928 82419 83412 83664 87384 87648 88046 88312 89376 89474 92169 95328 97314 97608 99351 100624 101948 102256 104082 105336 109892 111216 113202 113544 115038 116512 121429 122892 129752 130144 131076 131472 132069 132468 134064 134211 138358 138776 140448 145971 146412 150936 151392 152922 153384 154546 155232 156123 163856 164838 166824 167328 174768 176092 176624 178409 178948 184338 192311 194628 195216 198702 201248 203896 204512 207537 208164 210672 219784 222432 226404 227088 229383 230076 231819 242858 245784 247257 259504 262152 262944 264138 264936 268128 268422 276716 277552 291942 292824 301872 302203 305844 306768 308161 309092 312246 327712 329676 333648 349536 352184 353248 356818 357896 364287 368676 384622 389256 390432 396207 397404 402633 407792 415074 416328 421344 439568 452808 454176 458766 460152 463638 484253 485716 491568 494514 519008 521987 524304 528276 529872 535227 536844 553432 555104 576933 583884 585648 603744 604406 611688 613536 616322 618184 622611 624492 659352 667296 695457 704368 713636 715792 728574 737352 769244 778512 792414 794808 805266 815584 830148 832656 850003 879136 905616 906609 917532 920304 924483 927276 968506 971432 983136 989028 1043974 1048608 1056552 1059744 1070454 1073688 1092861 1106864 1153866 1167768 1171296 1208812 1223376 1232644 1236368 1245222 1248984 1318704 1346177 1390914 1408736 1427272 1431584 1452759 1457148 1474704 1538488 1557024 1565961 1584828 1589616 1605681 1610532 1660296 1665312 1700006 1730799 1811232 1813218 1835064 1840608 1848966 1854552 1937012 1942864 1978056 2087948 2113104 2115421 2140908 2147376 2185722 2213728 2307732 2335536 2417624 2446752 2465288 2472736 2490444 2497968 2550009 2637408 2692354 2719827 2773449 2781828 2854544 2905518 2914296 2949408 3076976 3131922 3169656 3179232 3211362 3221064 3320592 3389771 3400012 3461598 3626436 3653909 3670128 3697932 3709104 3874024 3885728 3956112 4038531 4175896 4226208 4230842 4281816 4294752 4358277 4371444 4615464 4671072 4697883 4835248 4930576 4980888 4995936 5100018 5384708 5439654 5546898 5563656 5709088 5741857 5811036 5828592 6153952 6263844 6339312 6346263 6422724 6442128 6641184 6779542 6800024 6923196 7252872 7307818 7340256 7395864 7418208 7650027 7748048 7912224 8077062 8351792 8461684 8563632 8716554 8742888 9230928 9395766 9670496 9861152 9961776 10169313 10200036 10769416 10879308 10961727 11093796 11127312 11483714 11622072 11657184 12115593 12527688 12678624 12692526 12845448 12884256 13559084 13600048 13846392 14505744 14615636 14791728 14807947 15300054 15496096 16154124 16703584 16923368 17127264 17225571 17433108 17485776 18461856 18791532 19038789 19923552 20338626 20400072 21538832 21758616 21923454 22187592 22254624 22967428 23244144 24231186 25055376 25385052 25577363 25690896 27118168 27200096 27692784 29011488 29231272 29583456 29615894 30507939 30600108 32308248 32885181 33846736 34451142 34866216 34971552 37583064 38077578 40192999 40677252 40800144 43077664 43517232 43846908 44375184 44423841 45934856 46488288 48462372 50110752 50770104 51154726 51381792 51676713 54236336 55385568 58462544 59231788 61015878 61200216 64616496 65770362 67693472 68902284 69732432 75166128 76155156 76732089 80385998 81354504 81600288 87034464 87693816 88750368 88847682 91869712 96924744 101540208 102309452 103353426 108472672 116925088 118463576 120578997 122031756 122400432 129232992 131540724 133271523 137804568 139464864 150332256 152310312 153464178 160771996 162709008 175387632 177695364 183739424 193849488 203080416 204618904 206706852 230196267 236927152 241157994 244063512 244800864 263081448 266543046 275609136 281350993 304620624 306928356 321543992 325418016 350775264 355390728 361736991 387698976 409237808 413413704 460392534 473854304 482315988 488127024 526162896 533086092 551218272 562701986 609241248 613856712 643087984 710781456 723473982 818475616 826827408 844052979 920785068 964631976 976254048 1052325792 1066172184 1125403972 1227713424 1286175968 1421562912 1446947964 1653654816 1688105958 1841570136 1929263952 2132344368 2250807944 2455426848 2532158937 2893895928 3376211916 3683140272 3858527904 4264688736 4501615888 5064317874 5787791856 6752423832 7366280544 9003231776 10128635748 11575583712 13504847664 20257271496 27009695328 40514542992 81029085984
- Sum of all divisors σ(n): 312454920960
- Sum of proper divisors (its aliquot sum) s(n): 231425834976
- 81029085984 is an abundant number, because the sum of its proper divisors (231425834976) is greater than itself. Its abundance is 150396748992
Bases of 81029085984
- Binary: 10010110111011011010110111011001000002
- Hexadecimal: 0x12DDB5BB20
- Base-36: 1182MIW0
Squares and roots of 81029085984
- 81029085984 squared (810290859842) is 6565712775402465248256
- 81029085984 cubed (810290859843) is 532013705024333636806507330043904
-
The
square root of 81029085984 is 284656.0836939901 -
The
cube root of 81029085984 is 4327.2665408951
Scales and comparisons
How big is 81029085984?- 81,029,085,984 seconds is equal to 2,576 years, 24 weeks, 4 days, 15 hours, 26 minutes, 24 seconds.
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To count from 1 to 81,029,085,984 would take you about five thousand, one hundred fifty-two 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 81029085984 cubic inches would be around 360.6 feet tall.
Recreational maths with 81029085984
- 81029085984 backwards is 48958092018
- The number of decimal digits it has is: 11
- The sum of 81029085984's digits is 54
- More coming soon!
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The information we have on file for 81029085984 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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