81133363200

Names of 81133363200

• Cardinal: 81133363200 can be written as Eighty-one billion, one hundred thirty-three million, three hundred sixty-three thousand, two hundred.

Scientific notation

• Scientific notation: 8.11333632 × 10¹⁰

Factors of 81133363200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 173

Divisors of 81133363200

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 37 40 43 48 50 60 64 74 75 80 83 86 96 100 111 120 128 129 148 150 160 166 172 185 192 200 215 222 240 249 256 258 296 300 320 332 344 370 384 400 415 430 444 480 498 512 516 555 592 600 640 645 664 688 740 768 800 830 860 888 925 960 996 1024 1032 1075 1110 1184 1200 1245 1280 1290 1328 1376 1480 1536 1591 1600 1660 1720 1776 1850 1920 1992 2048 2064 2075 2150 2220 2368 2400 2490 2560 2580 2656 2752 2775 2960 3071 3072 3182 3200 3225 3320 3440 3552 3569 3700 3840 3984 4096 4128 4150 4300 4440 4736 4773 4800 4980 5120 5160 5312 5504 5550 5920 6142 6144 6225 6364 6400 6450 6640 6880 7104 7138 7400 7680 7955 7968 8192 8256 8300 8600 8880 9213 9472 9546 9600 9960 10240 10320 10624 10707 11008 11100 11840 12284 12288 12450 12728 12800 12900 13280 13760 14208 14276 14800 15355 15360 15910 15936 16512 16600 17200 17760 17845 18426 18944 19092 19200 19920 20480 20640 21248 21414 22016 22200 23680 23865 24568 24576 24900 25456 25600 25800 26560 27520 28416 28552 29600 30710 30720 31820 31872 33024 33200 34400 35520 35690 36852 37888 38184 38400 39775 39840 40960 41280 42496 42828 44032 44400 46065 47360 47730 49136 49800 50912 51200 51600 53120 53535 55040 56832 57104 59200 61420 61440 63640 63744 66048 66400 68800 71040 71380 73704 75776 76368 76775 76800 79550 79680 82560 84992 85656 88064 88800 89225 92130 94720 95460 98272 99600 101824 102400 103200 106240 107070 110080 113664 114208 118400 119325 122840 122880 127280 127488 132053 132096 132800 137600 142080 142760 147408 151552 152736 153550 153600 159100 159360 165120 169984 171312 176128 177600 178450 184260 189440 190920 196544 199200 203648 204800 206400 212480 214140 220160 227328 228416 230325 236800 238650 245680 254560 254976 264106 264192 265600 267675 275200 284160 285520 294816 303104 305472 307100 307200 318200 318720 330240 339968 342624 352256 355200 356900 368520 378880 381840 393088 396159 398400 407296 412800 424960 428280 440320 454656 456832 460650 473600 477300 491360 509120 509952 528212 528384 531200 535350 550400 568320 571040 589632 610944 614200 614400 636400 637440 660265 660480 679936 685248 710400 713800 737040 757760 763680 786176 792318 796800 814592 825600 849920 856560 880640 909312 913664 921300 947200 954600 982720 1018240 1019904 1056424 1056768 1062400 1070700 1100800 1136640 1142080 1179264 1221888 1228400 1272800 1274880 1320530 1320960 1370496 1420800 1427600 1474080 1515520 1527360 1572352 1584636 1593600 1629184 1651200 1699840 1713120 1761280 1827328 1842600 1894400 1909200 1965440 1980795 2036480 2039808 2112848 2124800 2141400 2201600 2273280 2284160 2358528 2443776 2456800 2545600 2549760 2641060 2641920 2740992 2841600 2855200 2948160 3054720 3144704 3169272 3187200 3258368 3301325 3302400 3399680 3426240 3654656 3685200 3788800 3818400 3930880 3961590 4072960 4225696 4249600 4282800 4403200 4546560 4568320 4717056 4887552 4913600 5091200 5099520 5282120 5283840 5481984 5683200 5710400 5896320 6109440 6289408 6338544 6374400 6516736 6602650 6604800 6852480 7309312 7370400 7577600 7636800 7861760 7923180 8145920 8451392 8499200 8565600 8806400 9136640 9434112 9775104 9827200 9903975 10182400 10199040 10564240 10963968 11366400 11420800 11792640 12218880 12578816 12677088 12748800 13033472 13205300 13209600 13704960 14618624 14740800 15273600 15723520 15846360 16291840 16902784 16998400 17131200 18273280 18868224 19550208 19654400 19807950 20364800 21128480 21927936 22732800 22841600 23585280 24437760 25157632 25354176 25497600 26410600 26419200 27409920 29237248 29481600 30547200 31447040 31692720 32583680 33805568 34262400 36546560 37736448 39100416 39308800 39615900 40729600 42256960 43855872 45683200 47170560 48875520 50708352 50995200 52821200 54819840 58963200 61094400 62894080 63385440 65167360 67611136 68524800 73093120 75472896 78617600 79231800 81459200 84513920 87711744 91366400 94341120 97751040 101416704 105642400 109639680 117926400 122188800 125788160 126770880 135222272 137049600 146186240 157235200 158463600 162918400 169027840 182732800 188682240 195502080 202833408 211284800 219279360 235852800 244377600 253541760 270444544 274099200 314470400 316927200 325836800 338055680 365465600 377364480 405666816 422569600 438558720 471705600 488755200 507083520 540889088 548198400 628940800 633854400 676111360 730931200 811333632 845139200 943411200 977510400 1014167040 1081778176 1096396800 1267708800 1352222720 1622667264 1690278400 1886822400 2028334080 2192793600 2535417600 2704445440 3245334528 3380556800 4056668160 5070835200 5408890880 6761113600 8113336320 10141670400 13522227200 16226672640 20283340800 27044454400 40566681600 81133363200
• Sum of all divisors σ(n): 285318988416
• Sum of proper divisors (its aliquot sum) s(n): 204185625216
• 81133363200 is an abundant number, because the sum of its proper divisors (204185625216) is greater than itself. Its abundance is 123052262016

Bases of 81133363200

• Binary: 1001011100011111011001110000000000000₂
• Hexadecimal: 0x12E3ECE000
• Base-36: 119SPJPC

Squares and roots of 81133363200

• 81133363200 squared (81133363200²) is 6582622624143114240000
• 81133363200 cubed (81133363200³) is 534070312173140376413011968000000
• The square root of 81133363200 is 284839.1883150913
• The cube root of 81133363200 is 4329.1220140419

Scales and comparisons

• 81,133,363,200 seconds is equal to 2,579 years, 41 weeks, 13 hours, 20 minutes.
• To count from 1 to 81,133,363,200 would take you about five thousand, one hundred fifty-nine 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 81133363200 cubic inches would be around 360.8 feet tall.

Recreational maths with 81133363200

• 81133363200 backwards is 00236333118
• 81133363200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81133363200's digits is 30
• More coming soon!