81489442941452

Names of 81489442941452

• Cardinal: 81489442941452 can be written as Eighty-one trillion, four hundred eighty-nine billion, four hundred forty-two million, nine hundred forty-one thousand, four hundred fifty-two.

Scientific notation

• Scientific notation: 8.1489442941452 × 10¹³

Factors of 81489442941452

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 354

Divisors of 81489442941452

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 4 7 13 14 23 26 28 37 46 49 52 73 74 91 92 98 146 148 161 169 182 196 199 259 292 299 322 338 364 398 481 511 518 598 637 644 676 796 851 949 962 1022 1036 1127 1183 1196 1274 1393 1679 1702 1813 1898 1924 2044 2093 2254 2366 2548 2587 2701 2786 3358 3367 3404 3577 3626 3796 3887 4186 4508 4577 4732 5174 5402 5572 5957 6253 6643 6716 6734 7154 7252 7363 7774 8281 8372 9154 9751 10348 10804 11063 11753 11914 12337 12506 13286 13468 14308 14527 14651 14726 15548 16562 18109 18308 18907 19502 21827 22126 23506 23569 23828 24674 25012 26572 27209 29054 29302 29452 32039 33124 33631 35113 36218 37814 39004 39601 41699 43654 43771 44252 46501 47012 47138 49348 51541 54418 58108 58604 59501 62123 64078 67262 70226 72436 75628 77441 79202 82271 83398 86359 87308 87542 93002 94276 95719 101689 103082 108836 119002 124246 126763 128156 132349 134524 140452 143819 152789 154882 158404 164542 166796 169349 172718 175084 186004 188851 190463 191438 203378 206164 224273 235417 238004 245791 248492 253526 264698 277207 283751 287638 305578 306397 309764 329084 334121 338698 345436 360787 377702 380926 382876 406756 416507 434861 448546 456469 470834 491582 507052 514813 529396 537499 542087 554414 567502 575276 604513 611156 612794 668242 670033 677396 711823 721574 755404 761852 773513 807599 833014 869722 897092 910823 912938 941668 983164 1006733 1029626 1069523 1074998 1084174 1108828 1135004 1185443 1209026 1225588 1244347 1321957 1336484 1340066 1423646 1443148 1465237 1547026 1615198 1647919 1666028 1720537 1739444 1821646 1825876 1940449 1986257 2013466 2059252 2139046 2149996 2168348 2201537 2338847 2370886 2418052 2455063 2488694 2643914 2680132 2847292 2890873 2915549 2930474 3044027 3094052 3195283 3230396 3295838 3441074 3603691 3643292 3762493 3880898 3972514 4026932 4278092 4343573 4403074 4677694 4690231 4741772 4910126 4977388 5287828 5414591 5653193 5781746 5831098 5860948 6088054 6375761 6390566 6591676 6692569 6882148 6987487 7047131 7207382 7524986 7761796 7945028 8298101 8687146 8710429 8806148 9253699 9355388 9380462 9820252 10256659 10498787 10829182 11306386 11563492 11662196 11840699 12176108 12362477 12751522 12781132 13385138 13903799 13974974 14094262 14414764 15049972 15410759 16371929 16596202 17185441 17374292 17420858 18507398 18760924 19048081 20236111 20513318 20997574 21658364 22366981 22612772 23681398 24724954 25225837 25503044 26337451 26770276 27807598 27949948 28188524 28619981 30405011 30821518 32743858 33192404 33700451 34370882 34841716 37014796 37581349 37902137 38096162 39572351 40472222 41026636 41995148 44630327 44733962 46847983 47362796 48912409 49449908 50451674 52674902 55615196 56466449 57239962 60810022 60973003 61643036 65487716 66490079 67400902 68741764 71796613 73491509 75162698 75804274 76192324 79144702 80944444 82884893 86537339 89260654 89467924 90837331 93695966 97824818 100903348 105349804 106962301 107875313 112932898 114479924 120298087 121620044 121946006 132980158 133336567 134801804 141652777 143593226 146983018 150325396 151608548 153929087 158289404 160712201 165769786 173074678 178521308 181674662 187391932 195649636 200339867 212835077 213924602 215750626 225865796 235903157 240596174 243892012 247625053 263069443 265960316 266673134 283305554 287186452 293966036 307858174 321424402 327935881 331539572 342386863 346149356 363349324 395265143 400679734 425670154 427849204 431501252 438105863 465430553 471806314 481192348 488557537 495250106 514440563 526138886 533346268 566611108 580194251 605761373 615716348 635861317 642848804 655871762 684773726 748736107 790530286 801359468 851340308 864371027 876211726 930861106 933355969 943612628 977115074 990500212 1028881126 1052277772 1077503609 1124985407 1160388502 1211522746 1271722634 1311743524 1369547452 1390509913 1402379069 1497472214 1581060572 1651322099 1728742054 1733375371 1752423452 1841486101 1861722212 1866711938 1954230148 2057762252 2089258613 2155007218 2249970814 2320777004 2423045492 2460132923 2543445268 2766856001 2781019826 2804758138 2994944428 3066741041 3258013871 3302644198 3419902759 3457484108 3466750742 3682972202 3733423876 4178517226 4310014436 4451029219 4499941628 4920265846 5241152749 5533712002 5562039652 5609516276 5695376219 6050597189 6133482082 6516027742 6605288396 6839805518 6933501484 7365944404 7542525263 7874897849 8357034452 8902058438 9733569391 9840531692 10482305498 11067424004 11236823351 11390752438 12101194378 12133627597 12266964164 13032055484 13679611036 14624810291 15085050526 15749795698 17220930461 17804116876 18076628869 19467138782 20964610996 21467187287 22473646702 22781504876 23939319313 24202388756 24267255194 29249620582 30170101052 31499591396 31981727999 34441860922 36153257738 38934277564 39867633533 42354180323 42934374574 44947293404 47878638626 48534510388 58499241164 63963455998 68134985737 68883721844 72306515476 78657763457 79735267066 84708360646 85868749148 95757277252 102373672037 120546513227 126536402083 127926911996 136269971474 157315526914 159470534132 169416721292 204747344074 223872095993 241093026454 253072804166 272539942948 279073434731 314631053828 409494688148 415762463987 447744191986 482186052908 506145608332 550604344199 558146869462 831524927974 885754814581 895488383972 1101208688398 1116293738924 1567104671951 1663049855948 1771509629162 2202417376796 2910337247909 3134209343902 3543019258324 5820674495818 6268418687804 11641348991636 20372360735363 40744721470726 81489442941452
• Sum of all divisors σ(n): 196130225352096
• Sum of proper divisors (its aliquot sum) s(n): 114640782410644
• 81489442941452 is an abundant number, because the sum of its proper divisors (114640782410644) is greater than itself. Its abundance is 33151339469192

Bases of 81489442941452

• Binary: 10010100001110100111101010011001010101000001100₂
• Hexadecimal: 0x4A1D3D4CAA0C
• Base-36: SVVQEBYMK

Squares and roots of 81489442941452

• 81489442941452 squared (81489442941452²) is 6640529310908161185899868304
• 81489442941452 cubed (81489442941452³) is 541133034382290169098148700754249182537408
• The square root of 81489442941452 is 9027150.3223028251
• The cube root of 81489442941452 is 43354.4601742225

Scales and comparisons

• 81,489,442,941,452 seconds is equal to 2,591,112 years, 11 weeks, 3 days, 20 hours, 37 minutes, 32 seconds.
• To count from 1 to 81,489,442,941,452 would take you about six million, four hundred seventy-seven thousand, seven hundred eighty 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 81489442941452 cubic inches would be around 3612.9 feet tall.

Recreational maths with 81489442941452

• 81489442941452 backwards is 25414924498418
• The number of decimal digits it has is: 14
• The sum of 81489442941452's digits is 65
• More coming soon!