81479779552512

Names of 81479779552512

• Cardinal: 81479779552512 can be written as Eighty-one trillion, four hundred seventy-nine billion, seven hundred seventy-nine million, five hundred fifty-two thousand, five hundred twelve.

Scientific notation

• Scientific notation: 8.1479779552512 × 10¹³

Factors of 81479779552512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 12165

Divisors of 81479779552512

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 81 88 96 99 108 121 128 132 144 162 176 192 198 216 242 243 256 264 288 297 324 352 363 384 396 432 484 486 528 576 594 648 704 726 729 768 792 864 891 968 972 1056 1089 1152 1188 1296 1331 1408 1452 1458 1584 1728 1782 1936 1944 2112 2178 2187 2304 2376 2592 2662 2673 2816 2904 2916 3168 3267 3456 3564 3872 3888 3993 4224 4356 4374 4752 5184 5324 5346 5808 5832 6336 6534 6561 6912 7128 7744 7776 7986 8019 8448 8712 8748 9504 9801 10368 10648 10692 11616 11664 11979 12149 12672 13068 13122 14256 15488 15552 15972 16038 17424 17496 19008 19602 19683 20736 21296 21384 23232 23328 23958 24057 24298 25344 26136 26244 28512 29403 30976 31104 31944 32076 34848 34992 35937 36447 38016 39204 39366 42592 42768 46464 46656 47916 48114 48596 52272 52488 57024 58806 62208 63888 64152 69696 69984 71874 72171 72894 76032 78408 78732 85184 85536 88209 92928 93312 95832 96228 97192 104544 104976 107811 109341 114048 117612 127776 128304 133639 139392 139968 143748 144342 145788 156816 157464 170368 171072 176418 186624 191664 192456 194384 209088 209952 215622 216513 218682 228096 235224 255552 256608 264627 267278 278784 279936 287496 288684 291576 313632 314928 323433 328023 340736 342144 352836 383328 384912 388768 400917 418176 419904 431244 433026 437364 470448 511104 513216 529254 534556 559872 574992 577368 583152 627264 629856 646866 656046 684288 705672 766656 769824 777536 793881 801834 836352 839808 862488 866052 874728 940896 970299 984069 1022208 1026432 1058508 1069112 1149984 1154736 1166304 1202751 1254528 1259712 1293732 1312092 1411344 1470029 1533312 1539648 1555072 1587762 1603668 1679616 1724976 1732104 1749456 1881792 1940598 1968138 2052864 2117016 2138224 2299968 2309472 2332608 2381643 2405502 2509056 2519424 2587464 2624184 2822688 2910897 2940058 2952207 3066624 3079296 3110144 3175524 3207336 3449952 3464208 3498912 3608253 3763584 3881196 3936276 4234032 4276448 4410087 4599936 4618944 4665216 4763286 4811004 5038848 5174928 5248368 5645376 5821794 5880116 5904414 6158592 6351048 6414672 6899904 6928416 6997824 7216506 7527168 7762392 7872552 8468064 8552896 8732691 8820174 8856621 9199872 9237888 9330432 9526572 9622008 10349856 10496736 10824759 11290752 11643588 11760232 11808828 12702096 12829344 13230261 13799808 13856832 13995648 14433012 15524784 15745104 16170319 16936128 17105792 17465382 17640348 17713242 18475776 19053144 19244016 20699712 20993472 21649518 22581504 23287176 23520464 23617656 25404192 25658688 26198073 26460522 26569863 27599616 27713664 27991296 28866024 31049568 31490208 32340638 32474277 33872256 34211584 34930764 35280696 35426484 38106288 38488032 39690783 41399424 41986944 43299036 46574352 47040928 47235312 48510957 50808384 51317376 52396146 52921044 53139726 55427328 57732048 62099136 62980416 64681276 64948554 67744512 69861528 70561392 70852968 76212576 76976064 79381566 79709589 82798848 83973888 86598072 93148704 94081856 94470624 97021914 97422831 101616768 102634752 104792292 105842088 106279452 115464096 119072349 124198272 125960832 129362552 129897108 139723056 141122784 141705936 145532871 152425152 153952128 158763132 159419178 173196144 186297408 188163712 188941248 194043828 194845662 203233536 209584584 211684176 212558904 230928192 238144698 239128767 248396544 251921664 258725104 259794216 279446112 282245568 283411872 291065742 292268493 304850304 307904256 317526264 318838356 346392288 357217047 372594816 376327424 377882496 388087656 389691324 419169168 423368352 425117808 436598613 461856384 476289396 478257534 517450208 519588432 558892224 564491136 566823744 582131484 584536986 609700608 635052528 637676712 692784576 714434094 745189632 755764992 776175312 779382648 838338336 846736704 850235616 873197226 876805479 923712768 952578792 956515068 1034900416 1039176864 1071651141 1117784448 1128982272 1133647488 1164262968 1169073972 1270105056 1275353424 1309795839 1385569152 1428868188 1552350624 1558765296 1676676672 1693473408 1700471232 1746394452 1753610958 1905157584 1913030136 2069800832 2078353728 2143302282 2235568896 2267294976 2328525936 2338147944 2540210112 2550706848 2619591678 2630416437 2771138304 2857736376 3104701248 3117530592 3214953423 3353353344 3386946816 3400942464 3492788904 3507221916 3810315168 3826060272 3929387517 4139601664 4156707456 4286604564 4657051872 4676295888 5080420224 5101413696 5239183356 5260832874 5715472752 6209402496 6235061184 6429906846 6706706688 6801884928 6985577808 7014443832 7620630336 7652120544 7858775034 8313414912 8573209128 9314103744 9352591776 9644860269 10160840448 10202827392 10478366712 10521665748 11430945504 11788162551 12418804992 12470122368 12859813692 13971155616 14028887664 15241260672 15304241088 15717550068 17146418256 18628207488 18705183552 19289720538 20405654784 20956733424 21043331496 22861891008 23576325102 24940244736 25719627384 27942311232 28057775328 28934580807 30482521344 30608482176 31435100136 34292836512 35364487653 37256414976 37410367104 38579441076 41913466848 42086662992 45723782016 47152650204 51439254768 55884622464 56115550656 57869161614 61216964352 62870200272 68585673024 70728975306 74820734208 77158882152 83826933696 84173325984 91447564032 94305300408 102878509536 106093462959 111769244928 112231101312 115738323228 125740400544 137171346048 141457950612 154317764304 167653867392 168346651968 188610600816 205757019072 212186925918 224462202624 231476646456 251480801088 274342692096 282915901224 308635528608 318280388877 335307734784 336693303936 377221201632 411514038144 424373851836 462953292912 502961602176 565831802448 617271057216 636560777754 673386607872 754442403264 823028076288 848747703672 925906585824 1005923204352 1131663604896 1234542114432 1273121555508 1508884806528 1697495407344 1851813171648 2263327209792 2469084228864 2546243111016 3017769613056 3394990814688 3703626343296 4526654419584 5092486222032 6789981629376 7407252686592 9053308839168 10184972444064 13579963258752 20369944888128 27159926517504 40739889776256 81479779552512
• Sum of all divisors σ(n): 268357323326400
• Sum of proper divisors (its aliquot sum) s(n): 186877543773888
• 81479779552512 is an abundant number, because the sum of its proper divisors (186877543773888) is greater than itself. Its abundance is 105397764221376

Bases of 81479779552512

• Binary: 10010100001101011111101010100010000110100000000₂
• Hexadecimal: 0x4A1AFD510D00
• Base-36: SVRAL0000

Squares and roots of 81479779552512

• 81479779552512 squared (81479779552512²) is 6638954475925952614965510144
• 81479779552512 cubed (81479779552512³) is 540940547157609454834661790355202116681728
• The square root of 81479779552512 is 9026615.0661536465
• The cube root of 81479779552512 is 43352.7463834243

Scales and comparisons

• 81,479,779,552,512 seconds is equal to 2,590,804 years, 49 weeks, 5 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 81,479,779,552,512 would take you about six million, four hundred seventy-seven thousand and twelve 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 81479779552512 cubic inches would be around 3612.7 feet tall.

Recreational maths with 81479779552512

• 81479779552512 backwards is 21525597797418
• 81479779552512 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81479779552512's digits is 72
• More coming soon!