81468167040

Names of 81468167040

• Cardinal: 81468167040 can be written as Eighty-one billion, four hundred sixty-eight million, one hundred sixty-seven thousand and forty.

Scientific notation

• Scientific notation: 8.146816704 × 10¹⁰

Factors of 81468167040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 587

Divisors of 81468167040

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 27 30 32 34 36 39 40 45 48 51 52 54 60 64 65 68 72 78 80 81 85 90 96 102 104 108 117 120 128 130 135 136 144 153 156 160 162 169 170 180 192 195 204 208 216 221 234 240 255 260 270 272 288 306 312 320 324 338 340 351 360 384 390 405 408 416 432 442 459 468 480 507 510 520 540 544 547 576 585 612 624 640 648 663 676 680 702 720 765 780 810 816 832 845 864 884 918 936 960 1014 1020 1040 1053 1080 1088 1094 1105 1152 1170 1224 1248 1296 1326 1352 1360 1377 1404 1440 1521 1530 1560 1620 1632 1641 1664 1690 1728 1755 1768 1836 1872 1920 1989 2028 2040 2080 2106 2160 2176 2188 2210 2295 2340 2448 2496 2535 2592 2652 2704 2720 2735 2754 2808 2873 2880 3042 3060 3120 3240 3264 3282 3315 3380 3456 3510 3536 3672 3744 3978 4056 4080 4160 4212 4320 4376 4420 4563 4590 4680 4896 4923 4992 5070 5184 5265 5304 5408 5440 5470 5508 5616 5746 5760 5967 6084 6120 6240 6480 6528 6564 6630 6760 6885 7020 7072 7111 7344 7488 7605 7956 8112 8160 8205 8320 8424 8619 8640 8752 8840 9126 9180 9299 9360 9792 9846 9945 10140 10368 10530 10608 10816 10880 10940 11016 11232 11492 11934 12168 12240 12480 12960 13128 13260 13520 13689 13770 14040 14144 14222 14365 14688 14769 14976 15210 15912 16224 16320 16410 16848 17238 17280 17504 17680 17901 18252 18360 18598 18720 19584 19692 19890 20280 21060 21216 21333 21632 21880 22032 22464 22815 22984 23868 24336 24480 24615 24960 25857 25920 26256 26520 27040 27378 27540 27897 28080 28288 28444 28730 29376 29538 29835 30420 31824 32448 32640 32820 33696 34476 35008 35360 35555 35802 36504 36720 37196 37440 39384 39780 40560 42120 42432 42666 43095 43760 44064 44307 44928 45630 45968 46495 47736 48672 48960 49230 51714 51840 52512 53040 54080 54756 55080 55794 56160 56888 57460 58752 59076 59670 60840 63648 63999 64896 65640 67392 68445 68952 70016 70720 71110 71604 73008 73440 73845 74392 74880 77571 78768 79560 81120 83691 84240 84864 85332 86190 87520 88128 88614 89505 91260 91936 92443 92990 95472 97344 97920 98460 103428 105024 106080 106665 108160 109512 110160 111588 112320 113776 114920 118152 119340 120887 121680 127296 127998 129285 131280 134784 136890 137904 139485 141440 142220 143208 146016 146880 147690 148784 155142 157536 159120 162240 167382 168480 170664 172380 175040 176256 177228 179010 182520 183872 184886 185980 190944 191997 194688 196920 206856 210048 212160 213330 219024 220320 221535 223176 224640 227552 229840 232713 236304 238680 241774 243360 251073 254592 255996 258570 262560 273780 275808 277329 278970 284440 286416 292032 293760 295380 297568 310284 315072 318240 319995 324480 334764 336960 341328 344760 350080 354456 358020 362661 365040 367744 369772 371960 381888 383994 387855 393840 413712 418455 424320 426660 438048 440640 443070 446352 455104 459680 462215 465426 472608 477360 483548 486720 502146 511992 517140 525120 547560 551616 554658 557940 568880 572832 575991 584064 590760 595136 604435 620568 630144 636480 639990 669528 673920 682656 689520 708912 716040 725322 730080 739544 743920 753219 763776 767988 775710 787680 827424 831987 836910 853320 876096 881280 886140 892704 910208 919360 924430 930852 945216 954720 959985 967096 973440 1004292 1023984 1034280 1050240 1087983 1095120 1103232 1109316 1115880 1137760 1145664 1151982 1163565 1181520 1190272 1208870 1241136 1255365 1272960 1279980 1339056 1365312 1379040 1386645 1417824 1432080 1450644 1460160 1479088 1487840 1506438 1535976 1551420 1571531 1575360 1654848 1663974 1673820 1706640 1752192 1772280 1785408 1813305 1838720 1848860 1861704 1890432 1909440 1919970 1934192 2008584 2047968 2068560 2175966 2190240 2218632 2231760 2275520 2291328 2303964 2327130 2363040 2417740 2482272 2495961 2510730 2559960 2678112 2730624 2758080 2773290 2835648 2864160 2879955 2901288 2920320 2958176 2975680 3012876 3071952 3102840 3143062 3150720 3263949 3309696 3327948 3347640 3413280 3544560 3570816 3626610 3697720 3723408 3766095 3818880 3839940 3868384 4017168 4095936 4137120 4159935 4351932 4380480 4437264 4463520 4551040 4607928 4654260 4714593 4726080 4835480 4964544 4991922 5021460 5119920 5356224 5439915 5516160 5546580 5671296 5728320 5759910 5802576 5916352 5951360 6025752 6143904 6205680 6286124 6527898 6655896 6695280 6826560 7089120 7253220 7395440 7446816 7487883 7532190 7679880 7736768 7857655 8034336 8191872 8274240 8319870 8703864 8760960 8874528 8927040 9215856 9308520 9429186 9452160 9670960 9791847 9929088 9983844 10042920 10239840 10712448 10879830 11093160 11456640 11519820 11605152 11832704 12051504 12287808 12411360 12479805 12572248 13055796 13311792 13390560 13653120 14143779 14178240 14506440 14790880 14893632 14975766 15064380 15359760 15473536 15715310 16068672 16319745 16548480 16639740 17407728 17749056 17854080 18431712 18617040 18858372 19341920 19583694 19967688 20085840 20479680 21759660 22186320 23039640 23210304 23572965 24103008 24575616 24822720 24959610 25144496 26111592 26623584 26781120 28287558 28356480 29012880 29581760 29787264 29951532 30128760 30719520 31430620 32137344 32639490 33279480 34815456 35498112 36863424 37234080 37439415 37716744 38683840 39167388 39935376 40171680 40959360 42431337 43519320 44372640 46079280 46420608 47145930 48206016 48959235 49645440 49919220 50288992 52223184 53247168 53562240 56575116 58025760 59163520 59903064 60257520 61439040 62861240 65278980 66558960 69630912 70718895 73726848 74468160 74878830 75433488 77367680 78334776 79870752 80343360 84862674 87038640 88745280 92158560 94291860 96412032 97918470 99838440 100577984 104446368 106494336 113150232 116051520 119806128 120515040 122878080 125722480 127294011 130557960 133117920 139261824 141437790 148936320 149757660 150866976 156669552 159741504 160686720 169725348 174077280 177490560 184317120 188583720 195836940 199676880 201155968 208892736 212156685 226300464 232103040 239612256 241030080 251444960 254588022 261115920 266235840 282875580 299515320 301733952 313339104 319483008 339450696 348154560 368634240 377167440 391673880 399353760 417785472 424313370 452600928 479224512 482060160 502889920 509176044 522231840 532471680 565751160 599030640 603467904 626678208 636470055 678901392 696309120 754334880 783347760 798707520 848626740 905201856 958449024 1005779840 1018352088 1044463680 1131502320 1198061280 1253356416 1272940110 1357802784 1508669760 1566695520 1597415040 1697253480 1810403712 2036704176 2088927360 2263004640 2396122560 2545880220 2715605568 3017339520 3133391040 3394506960 4073408352 4526009280 4792245120 5091760440 5431211136 6266782080 6789013920 8146816704 9052018560 10183520880 13578027840 16293633408 20367041760 27156055680 40734083520 81468167040
• Sum of all divisors σ(n): 334180384560
• Sum of proper divisors (its aliquot sum) s(n): 252712217520
• 81468167040 is an abundant number, because the sum of its proper divisors (252712217520) is greater than itself. Its abundance is 171244050480

Bases of 81468167040

• Binary: 1001011110111111000011001001110000000₂
• Hexadecimal: 0x12F7E19380
• Base-36: 11FC1K00

Squares and roots of 81468167040

• 81468167040 squared (81468167040²) is 6637062240857342361600
• 81468167040 cubed (81468167040³) is 540709295293042680325296881664000
• The square root of 81468167040 is 285426.2900294925
• The cube root of 81468167040 is 4335.0686738561

Scales and comparisons

• 81,468,167,040 seconds is equal to 2,590 years, 22 weeks, 4 days, 14 hours, 24 minutes.
• To count from 1 to 81,468,167,040 would take you about five thousand, one 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 81468167040 cubic inches would be around 361.3 feet tall.

Recreational maths with 81468167040

• 81468167040 backwards is 04076186418
• 81468167040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81468167040's digits is 45
• More coming soon!