81474336000

Names of 81474336000

• Cardinal: 81474336000 can be written as Eighty-one billion, four hundred seventy-four million, three hundred thirty-six thousand.

Scientific notation

• Scientific notation: 8.1474336 × 10¹⁰

Factors of 81474336000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 70

Divisors of 81474336000

• Number of divisors d(n): 1080
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 27 30 32 34 36 40 43 45 48 50 51 54 60 64 68 72 75 80 81 85 86 90 96 100 102 108 120 125 128 129 135 136 144 150 153 160 162 170 172 180 192 200 204 215 216 225 240 250 255 256 258 270 272 288 300 306 320 324 340 344 360 375 384 387 400 405 408 425 430 432 450 459 480 500 510 516 540 544 576 600 612 640 645 648 675 680 688 720 731 750 765 768 774 800 810 816 850 860 864 900 918 960 1000 1020 1032 1075 1080 1088 1125 1152 1161 1200 1224 1275 1280 1290 1296 1350 1360 1376 1377 1440 1462 1500 1530 1548 1600 1620 1632 1700 1720 1728 1800 1836 1849 1920 1935 2000 2025 2040 2064 2125 2150 2160 2176 2193 2250 2295 2304 2322 2400 2448 2550 2580 2592 2700 2720 2752 2754 2880 2924 3000 3060 3096 3200 3225 3240 3264 3375 3400 3440 3456 3483 3600 3655 3672 3698 3825 3840 3870 4000 4050 4080 4128 4250 4300 4320 4352 4386 4500 4590 4644 4800 4896 5100 5160 5184 5375 5400 5440 5504 5508 5547 5760 5805 5848 6000 6120 6192 6375 6400 6450 6480 6528 6579 6750 6800 6880 6885 6912 6966 7200 7310 7344 7396 7650 7740 8000 8100 8160 8256 8500 8600 8640 8772 9000 9180 9245 9288 9600 9675 9792 10125 10200 10320 10368 10750 10800 10880 10965 11008 11016 11094 11475 11520 11610 11696 12000 12240 12384 12750 12900 12960 13056 13158 13500 13600 13760 13770 13932 14400 14620 14688 14792 15300 15480 16000 16125 16200 16320 16512 16641 17000 17200 17280 17415 17544 18000 18275 18360 18490 18576 19125 19200 19350 19584 19737 20250 20400 20640 20736 21500 21600 21760 21930 22032 22188 22950 23220 23392 24000 24480 24768 25500 25800 25920 26316 27000 27200 27520 27540 27735 27864 28800 29025 29240 29376 29584 30600 30960 31433 32000 32250 32400 32640 32895 33024 33282 34000 34400 34425 34560 34830 35088 36000 36550 36720 36980 37152 38250 38700 39168 39474 40500 40800 41280 43000 43200 43860 44064 44376 45900 46225 46440 46784 48000 48375 48960 49536 49923 51000 51600 51840 52632 54000 54400 54825 55040 55080 55470 55728 57375 57600 58050 58480 58752 59168 59211 61200 61920 62866 64500 64800 65280 65790 66564 68000 68800 68850 69660 70176 72000 73100 73440 73960 74304 76500 77400 78948 81000 81600 82560 83205 86000 86400 87075 87720 88128 88752 91375 91800 92450 92880 93568 94299 96000 96750 97920 98685 99072 99846 102000 103200 103680 105264 108000 108800 109650 110160 110940 111456 114750 116100 116960 117504 118336 118422 122400 123840 125732 129000 129600 131580 133128 136000 137600 137700 138675 139320 140352 144000 145125 146200 146880 147920 148608 149769 153000 154800 157165 157896 162000 163200 164475 165120 166410 172000 172125 172800 174150 175440 176256 177504 182750 183600 184900 185760 187136 188598 193500 195840 197370 199692 204000 206400 210528 216000 219300 220320 221880 222912 229500 231125 232200 233920 236672 236844 244800 247680 249615 251464 258000 259200 263160 266256 272000 274125 275200 275400 277350 278640 280704 282897 288000 290250 292400 293760 295840 296055 297216 299538 306000 309600 314330 315792 324000 326400 328950 332820 344000 344250 348300 350880 352512 355008 365500 367200 369800 371520 377196 387000 394740 399384 408000 412800 416025 421056 432000 435375 438600 440640 443760 445824 459000 462250 464400 467840 471495 473344 473688 489600 493425 495360 499230 502928 516000 518400 526320 532512 544000 548250 550800 554700 557280 561408 565794 580500 584800 587520 591680 592110 599076 612000 619200 628660 631584 648000 657900 665640 688000 688500 693375 696600 701760 710016 731000 734400 739600 743040 748845 754392 774000 785825 789480 798768 816000 822375 825600 832050 842112 848691 864000 870750 877200 881280 887520 891648 918000 924500 928800 935680 942990 947376 979200 986850 998460 1005856 1032000 1052640 1065024 1096500 1101600 1109400 1114560 1131588 1161000 1169600 1183360 1184220 1198152 1224000 1238400 1248075 1257320 1263168 1296000 1315800 1331280 1376000 1377000 1386750 1393200 1403520 1414485 1420032 1462000 1468800 1479200 1480275 1486080 1497690 1508784 1548000 1571650 1578960 1597536 1632000 1644750 1664100 1684224 1697382 1741500 1754400 1762560 1775040 1836000 1849000 1857600 1885980 1894752 1973700 1996920 2011712 2064000 2080125 2105280 2130048 2193000 2203200 2218800 2229120 2263176 2322000 2339200 2357475 2366720 2368440 2396304 2448000 2467125 2476800 2496150 2514640 2526336 2546073 2592000 2631600 2662560 2754000 2773500 2786400 2807040 2828970 2924000 2937600 2958400 2960550 2995380 3017568 3096000 3143300 3157920 3195072 3289500 3328200 3394764 3483000 3508800 3550080 3672000 3698000 3715200 3744225 3771960 3789504 3929125 3947400 3993840 4023424 4128000 4160250 4210560 4243455 4260096 4386000 4406400 4437600 4458240 4526352 4644000 4678400 4714950 4736880 4792608 4896000 4934250 4992300 5029280 5052672 5092146 5263200 5325120 5508000 5547000 5572800 5657940 5848000 5916800 5921100 5990760 6035136 6192000 6240375 6286600 6315840 6390144 6579000 6656400 6789528 6966000 7017600 7072425 7100160 7344000 7396000 7401375 7430400 7488450 7543920 7579008 7858250 7894800 7987680 8046848 8320500 8421120 8486910 8772000 8812800 8875200 9052704 9288000 9429900 9473760 9585216 9868500 9984600 10058560 10184292 10526400 10650240 11016000 11094000 11145600 11315880 11696000 11787375 11833600 11842200 11981520 12070272 12384000 12480750 12573200 12631680 12730365 12780288 13158000 13312800 13579056 13932000 14035200 14144850 14688000 14792000 14802750 14976900 15087840 15158016 15716500 15789600 15975360 16641000 16973820 17544000 17750400 18105408 18576000 18721125 18859800 18947520 19170432 19737000 19969200 20117120 20368584 21052800 21217275 21300480 22032000 22188000 22291200 22631760 23392000 23574750 23684400 23963040 24140544 24961500 25146400 25263360 25460730 26316000 26625600 27158112 27864000 28289700 29584000 29605500 29953800 30175680 31433000 31579200 31950720 33282000 33947640 35088000 35362125 35500800 36210816 37152000 37442250 37719600 37895040 38340864 39474000 39938400 40234240 40737168 42105600 42434550 44064000 44376000 45263520 47149500 47368800 47926080 49923000 50292800 50921460 52632000 53251200 54316224 55728000 56579400 59168000 59211000 59907600 60351360 62866000 63158400 63651825 63901440 66564000 67895280 70176000 70724250 72421632 74884500 75439200 75790080 78948000 79876800 81474336 84869100 88752000 90527040 94299000 94737600 95852160 99846000 100585600 101842920 105264000 106086375 106502400 108632448 111456000 113158800 118422000 119815200 120702720 125732000 126316800 127303650 133128000 135790560 141448500 149769000 150878400 157896000 159753600 162948672 169738200 177504000 181054080 188598000 189475200 191704320 199692000 201171200 203685840 210528000 212172750 217264896 226317600 236844000 239630400 251464000 254607300 266256000 271581120 282897000 299538000 301756800 315792000 318259125 319507200 325897344 339476400 362108160 377196000 378950400 399384000 407371680 424345500 452635200 473688000 479260800 502928000 509214600 532512000 543162240 565794000 599076000 603513600 631584000 636518250 651794688 678952800 754392000 798768000 814743360 848691000 905270400 947376000 958521600 1005856000 1018429200 1086324480 1131588000 1198152000 1273036500 1357905600 1508784000 1597536000 1629486720 1697382000 1810540800 1894752000 2036858400 2263176000 2396304000 2546073000 2715811200 3017568000 3258973440 3394764000 4073716800 4526352000 4792608000 5092146000 5431622400 6789528000 8147433600 9052704000 10184292000 13579056000 16294867200 20368584000 27158112000 40737168000 81474336000
• Sum of all divisors σ(n): 328665401064
• Sum of proper divisors (its aliquot sum) s(n): 247191065064
• 81474336000 is an abundant number, because the sum of its proper divisors (247191065064) is greater than itself. Its abundance is 165716729064

Bases of 81474336000

• Binary: 1001011111000001111111011010100000000₂
• Hexadecimal: 0x12F83FB500
• Base-36: 11FFPS00

Squares and roots of 81474336000

• 81474336000 squared (81474336000²) is 6638067426640896000000
• 81474336000 cubed (81474336000³) is 540832135908795712045056000000000
• The square root of 81474336000 is 285437.0963977877
• The cube root of 81474336000 is 4335.1780916047

Scales and comparisons

• 81,474,336,000 seconds is equal to 2,590 years, 32 weeks, 6 days.
• To count from 1 to 81,474,336,000 would take you about five thousand, one 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 81474336000 cubic inches would be around 361.3 feet tall.

Recreational maths with 81474336000

• 81474336000 backwards is 00063347418
• 81474336000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81474336000's digits is 36
• More coming soon!