81323404614816

Names of 81323404614816

• Cardinal: 81323404614816 can be written as Eighty-one trillion, three hundred twenty-three billion, four hundred four million, six hundred fourteen thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 8.1323404614816 × 10¹³

Factors of 81323404614816

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8909

Divisors of 81323404614816

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 31 32 39 42 48 52 56 61 62 78 84 91 93 96 104 112 122 124 156 168 182 183 186 208 217 224 244 248 273 312 336 364 366 372 403 416 427 434 488 496 546 601 624 651 672 728 732 744 793 806 854 868 976 992 1092 1202 1209 1248 1281 1302 1456 1464 1488 1586 1612 1708 1736 1803 1891 1952 2184 2379 2404 2418 2562 2604 2821 2912 2928 2976 3172 3224 3416 3472 3606 3782 4207 4368 4758 4808 4836 5124 5208 5551 5642 5673 5856 6344 6448 6832 6944 7212 7564 7813 8191 8414 8463 8736 9516 9616 9672 10248 10416 11102 11284 11346 12621 12688 12896 13237 13664 14424 15128 15626 16382 16653 16828 16926 18631 19032 19232 19344 20496 20832 22204 22568 22692 23439 24573 24583 25242 25376 26474 28848 30256 31252 32764 33306 33656 33852 36661 37262 38064 38688 39711 40992 44408 45136 45384 46878 49146 49166 50484 52948 54691 55893 57337 57696 60512 62504 65528 66612 67312 67704 73322 73749 74524 76128 79422 88816 90272 90768 93756 98292 98332 100968 105896 106483 109382 109983 111786 114674 125008 130417 131056 133224 134624 135408 146644 147498 149048 158844 164073 172011 172081 177632 181536 187512 196584 196664 201936 211792 212966 218764 219966 223572 229348 242203 250016 253921 256627 260834 262112 266448 270816 293288 294996 298096 317688 319449 328146 344022 344162 375024 391251 393168 393328 403872 423584 425932 437528 439932 447144 458696 476593 484406 499651 507842 513254 516243 521668 532896 586576 589992 596192 635376 638898 656292 688044 688324 726609 745381 750048 761763 769881 782502 786336 786656 851864 875056 879864 894288 917392 953186 968812 999302 1015684 1026508 1032486 1043336 1136491 1173152 1179984 1270752 1277796 1312584 1376088 1376648 1429779 1453218 1490762 1498953 1523526 1539762 1565004 1695421 1703728 1750112 1759728 1777447 1788576 1834784 1906372 1937624 1998604 2031368 2053016 2064972 2086672 2236143 2272982 2359968 2555592 2625168 2752176 2753296 2859558 2906436 2981524 2997906 3047052 3079524 3130008 3300973 3336151 3390842 3407456 3409473 3497557 3519456 3554894 3812744 3875248 3997208 4062736 4106032 4129944 4173344 4472286 4545964 4922791 5086263 5111184 5250336 5332341 5504352 5506592 5719116 5812872 5963048 5995812 6094104 6159048 6260016 6495463 6601946 6672302 6781684 6818946 6995114 7109788 7625488 7750496 7955437 7994416 8125472 8212064 8259888 8944572 9091928 9845582 9902919 10008453 10172526 10222368 10492671 10664682 11438232 11625744 11926096 11991624 12188208 12318096 12520032 12990926 13203892 13344604 13563368 13637892 13990228 14219576 14768373 14774383 15250976 15489181 15910874 15988832 16519776 17889144 18183856 19486389 19691164 19805838 20016906 20345052 20985342 21329364 22876464 23106811 23251488 23852192 23866311 23983248 24376416 24636192 25981852 26407784 26689208 27126736 27275784 27980456 28439152 29536746 29548766 30978362 31821748 34459537 35778288 36367712 38972778 39382328 39611676 40033812 40690104 41970684 42658728 44323149 45468241 45752928 46213622 46467543 47732622 47966496 51963704 52815568 53378416 54253472 54551568 55960912 56878304 59073492 59097532 61956724 63643496 63996283 68919074 69320433 71556576 77945556 78764656 79223352 80067624 81380208 83941368 85317456 88646298 90936482 92427244 92935086 95465244 103378611 103420681 103927408 105631136 106756832 108424267 109103136 111921824 118146984 118195064 123913448 127286992 127992566 136404723 137838148 138640866 152606521 155891112 157529312 158446704 160135248 162760416 167882736 170634912 177292596 181872964 184854488 185870172 190930488 191988849 201359353 206757222 206841362 207854816 216848534 236293968 236390128 247826896 254573984 255985132 272809446 275676296 277281732 300290251 305213042 310262043 311782224 316893408 320270496 325272801 335765472 354585192 363745928 369708976 371740344 381860976 383977698 402718706 413514444 413682724 433697068 447973981 457819563 472587936 472780256 495653792 511970264 545618892 551352592 554563464 600580502 604078059 610426084 620524086 623564448 650545602 709170384 727491856 739417952 743480688 763721952 767955396 805437412 827028888 827365448 867394136 895947962 900870753 915639126 1023940528 1068245647 1091237784 1102705184 1109126928 1201161004 1208156118 1220852168 1241048172 1301091204 1343921943 1409515471 1418340768 1454983712 1486961376 1535910792 1610874824 1654057776 1654730896 1734788272 1791895924 1801741506 1831278252 1983884773 2047881056 2102031757 2136491294 2182475568 2218253856 2402322008 2416312236 2441704336 2482096344 2602182408 2687843886 2819030942 3071821584 3204736941 3221749648 3308115552 3309461792 3469576544 3583791848 3603483012 3662556504 3903773263 3967769546 4204063514 4228546413 4272982588 4364951136 4804644016 4832624472 4883408672 4964192688 5204364816 5375687772 5638061884 5951654319 6143643168 6306095271 6409473882 6443499296 7167583696 7206966024 7325113008 7807546526 7935539092 8408127028 8457092826 8545965176 9308997781 9609288032 9665248944 9928385376 10408729632 10751375544 11276123768 11711319789 11903308638 12612190542 12818947764 13887193411 14335167392 14413932048 14650226016 15615093052 15871078184 16816254056 16914185652 17091930352 18617995562 19330497888 21502751088 22552247536 23422639578 23806617276 25224381084 25637895528 27326412841 27774386822 27926993343 28827864096 31230186104 31742156368 33632508112 33828371304 34183860704 37235991124 41661580233 43005502176 45104495072 46845279156 47613234552 50448762168 51275791056 54652825682 55548773644 55853986686 62460372208 63484312736 65162984467 67265016224 67656742608 74471982248 81979238523 83323160466 93690558312 95226469104 100897524336 102551582112 109305651364 111097547288 111707973372 121016971153 124920744416 130325968934 135313485216 148943964496 163958477046 166646320932 187381116624 190452938208 195488953401 201795048672 218611302728 222195094576 223415946744 242033942306 260651937868 297887928992 327916954092 333292641864 363050913459 374762233248 390977906802 437222605456 444390189152 446831893488 484067884612 521303875736 655833908184 666585283728 726101826918 781955813604 847118798071 874445210912 893663786976 968135769224 1042607751472 1311667816368 1333170567456 1452203653836 1563911627208 1694237596142 1936271538448 2085215502944 2541356394213 2623335632736 2904407307672 3127823254416 3388475192284 3872543076896 5082712788426 5808814615344 6255646508832 6776950384568 10165425576852 11617629230688 13553900769136 20330851153704 27107801538272 40661702307408 81323404614816
• Sum of all divisors σ(n): 276151029202944
• Sum of proper divisors (its aliquot sum) s(n): 194827624588128
• 81323404614816 is an abundant number, because the sum of its proper divisors (194827624588128) is greater than itself. Its abundance is 113504219973312

Bases of 81323404614816

• Binary: 10010011111011010010100101001001101110010100000₂
• Hexadecimal: 0x49F694A4DCA0
• Base-36: STRGFEDUO

Squares and roots of 81323404614816

• 81323404614816 squared (81323404614816²) is 6613496138145076285326713856
• 81323404614816 cubed (81323404614816³) is 537832022360895091032246844343314730090496
• The square root of 81323404614816 is 9017949.0248512715
• The cube root of 81323404614816 is 43324.9946124287

Scales and comparisons

• 81,323,404,614,816 seconds is equal to 2,585,832 years, 37 weeks, 1 day, 23 hours, 13 minutes, 36 seconds.
• To count from 1 to 81,323,404,614,816 would take you about six million, four hundred sixty-four thousand, five hundred eighty-one 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 81323404614816 cubic inches would be around 3610.4 feet tall.

Recreational maths with 81323404614816

• 81323404614816 backwards is 61841640432318
• The number of decimal digits it has is: 14
• The sum of 81323404614816's digits is 51
• More coming soon!