81330117120

Names of 81330117120

• Cardinal: 81330117120 can be written as Eighty-one billion, three hundred thirty million, one hundred seventeen thousand, one hundred twenty.

Scientific notation

• Scientific notation: 8.133011712 × 10¹⁰

Factors of 81330117120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1019

Divisors of 81330117120

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 27 28 30 32 35 36 38 40 42 45 48 54 56 57 60 63 64 70 72 76 80 81 84 90 95 96 105 108 112 114 120 126 128 133 135 140 144 152 160 162 168 171 180 189 190 192 210 216 224 228 240 243 252 256 266 270 280 285 288 304 315 320 324 336 342 360 378 380 384 399 405 420 432 448 456 480 486 504 512 513 532 540 560 567 570 576 608 630 640 648 665 672 684 720 756 760 768 798 810 840 855 864 896 912 945 960 972 983 1008 1026 1064 1080 1120 1134 1140 1152 1197 1215 1216 1260 1280 1296 1330 1344 1368 1440 1512 1520 1536 1539 1596 1620 1680 1701 1710 1728 1792 1824 1890 1920 1944 1966 1995 2016 2052 2128 2160 2240 2268 2280 2304 2394 2430 2432 2520 2560 2565 2592 2660 2688 2736 2835 2880 2949 3024 3040 3078 3192 3240 3360 3402 3420 3456 3584 3591 3648 3780 3840 3888 3932 3990 4032 4104 4256 4320 4480 4536 4560 4608 4617 4788 4860 4864 4915 5040 5130 5184 5320 5376 5472 5670 5760 5898 5985 6048 6080 6156 6384 6480 6720 6804 6840 6881 6912 7182 7296 7560 7680 7695 7776 7864 7980 8064 8208 8505 8512 8640 8847 8960 9072 9120 9234 9576 9720 9728 9830 10080 10260 10368 10640 10752 10773 10944 11340 11520 11796 11970 12096 12160 12312 12768 12960 13440 13608 13680 13762 13824 14364 14592 14745 15120 15390 15552 15728 15960 16128 16416 17010 17024 17280 17694 17920 17955 18144 18240 18468 18677 19152 19440 19660 20160 20520 20643 20736 21280 21546 21888 22680 23040 23085 23592 23940 24192 24320 24624 25536 25920 26541 26880 27216 27360 27524 28728 29184 29490 30240 30780 31104 31456 31920 32256 32319 32832 34020 34048 34405 34560 35388 35910 36288 36480 36936 37354 38304 38880 39320 40320 41040 41286 41472 42560 43092 43776 44235 45360 46170 47184 47880 48384 48640 49248 51072 51840 53082 53760 53865 54432 54720 55048 56031 57456 58980 60480 61560 61929 62208 62912 63840 64638 65664 68040 68096 68810 69120 70776 71820 72576 72960 73872 74708 76608 77760 78640 79623 80640 82080 82572 85120 86184 87552 88470 90720 92340 93385 94368 95760 96768 98496 102144 103215 103680 106164 107730 108864 109440 110096 112062 114912 117960 120960 123120 123858 124416 125824 127680 129276 130739 131328 132705 136080 137620 141552 143640 145152 145920 147744 149416 153216 155520 157280 159246 161280 161595 164160 165144 168093 170240 172368 176940 181440 184680 185787 186770 188736 191520 196992 204288 206430 207360 212328 215460 217728 218880 220192 224124 229824 235920 238869 241920 246240 247716 251648 255360 258552 261478 262656 265410 272160 275240 280155 283104 287280 290304 295488 298832 306432 309645 311040 314560 318492 323190 328320 330288 336186 340480 344736 353880 362880 369360 371574 373540 377472 383040 392217 393984 398115 412860 424656 430920 435456 437760 440384 448248 459648 471840 477738 483840 492480 495432 503296 504279 510720 517104 522956 530820 544320 550480 557361 560310 566208 574560 590976 597664 612864 619290 622080 629120 636984 646380 653695 656640 660576 672372 689472 707760 725760 738720 743148 747080 754944 766080 784434 787968 796230 825720 840465 849312 861840 870912 880768 896496 919296 928935 943680 955476 984960 990864 1008558 1021440 1034208 1045912 1061640 1088640 1100960 1114722 1120620 1132416 1149120 1176651 1181952 1194345 1195328 1238580 1258240 1273968 1292760 1307390 1313280 1321152 1344744 1378944 1415520 1451520 1477440 1486296 1494160 1509888 1512837 1532160 1568868 1592460 1651440 1672083 1680930 1698624 1723680 1761536 1792992 1838592 1857870 1887360 1910952 1961085 1969920 1981728 2017116 2068416 2091824 2123280 2177280 2201920 2229444 2241240 2264832 2298240 2353302 2363904 2388690 2390656 2477160 2516480 2521395 2547936 2585520 2614780 2642304 2689488 2757888 2786805 2831040 2954880 2972592 2988320 3025674 3064320 3137736 3184920 3302880 3344166 3361860 3397248 3447360 3523072 3529953 3585984 3715740 3774720 3821904 3922170 3939840 3963456 4034232 4136832 4183648 4246560 4354560 4403840 4458888 4482480 4529664 4538511 4596480 4706604 4777380 4781312 4954320 5042790 5095872 5171040 5229560 5284608 5378976 5515776 5573610 5662080 5883255 5909760 5945184 5976640 6051348 6275472 6369840 6605760 6688332 6723720 6794496 6894720 7059906 7171968 7431480 7549440 7564185 7643808 7844340 7926912 8068464 8273664 8360415 8367296 8493120 8807680 8917776 8964960 9077022 9192960 9413208 9554760 9562624 9908640 10085580 10191744 10342080 10459120 10569216 10589859 10757952 11147220 11324160 11766510 11819520 11890368 11953280 12102696 12550944 12739680 13211520 13376664 13447440 13588992 13789440 14119812 14343936 14862960 15128370 15287616 15688680 15853824 16136928 16547328 16720830 16734592 16986240 17615360 17649765 17835552 17929920 18154044 18826416 19109520 19817280 20171160 20383488 20684160 20918240 21179718 21515904 22294440 22648320 22692555 23533020 23780736 23906560 24205392 25101888 25479360 26423040 26753328 26894880 27578880 28239624 28687872 29725920 30256740 30575232 31377360 31707648 31769577 32273856 33441660 33469184 33972480 35299530 35671104 35859840 36308088 37652832 38219040 39634560 40342320 40766976 41368320 41836480 42359436 43031808 44588880 45385110 47066040 47561472 47813120 48410784 50203776 50958720 52846080 52949295 53506656 53789760 56479248 59451840 60513480 61150464 62754720 63539154 64547712 66883320 66938368 67944960 70599060 71342208 71719680 72616176 75305664 76438080 79269120 80684640 82736640 83672960 84718872 86063616 89177760 90770220 94132080 95122944 96821568 100407552 101917440 105898590 107013312 107579520 112958496 118903680 121026960 122300928 125509440 127078308 129095424 133766640 141198120 142684416 143439360 145232352 150611328 152876160 158538240 158847885 161369280 167345920 169437744 178355520 181540440 188264160 193643136 200815104 203834880 211797180 214026624 215159040 225916992 237807360 242053920 251018880 254156616 258190848 267533280 282396240 285368832 290464704 301222656 305752320 317695770 322738560 334691840 338875488 356711040 363080880 376528320 387286272 423594360 428053248 430318080 451833984 475614720 484107840 502037760 508313232 535066560 564792480 580929408 602445312 611504640 635391540 645477120 677750976 713422080 726161760 753056640 774572544 847188720 856106496 903667968 968215680 1004075520 1016626464 1070133120 1129584960 1161858816 1270783080 1290954240 1355501952 1426844160 1452323520 1506113280 1694377440 1807335936 1936431360 2033252928 2140266240 2259169920 2323717632 2541566160 2711003904 2904647040 3012226560 3388754880 3872862720 4066505856 4280532480 4518339840 5083132320 5422007808 5809294080 6777509760 8133011712 9036679680 10166264640 11618588160 13555019520 16266023424 20332529280 27110039040 40665058560 81330117120
• Sum of all divisors σ(n): 351757486080
• Sum of proper divisors (its aliquot sum) s(n): 270427368960
• 81330117120 is an abundant number, because the sum of its proper divisors (270427368960) is greater than itself. Its abundance is 189097251840

Bases of 81330117120

• Binary: 1001011101111101001110001101000000000₂
• Hexadecimal: 0x12EFA71A00
• Base-36: 11D1UO00

Squares and roots of 81330117120

• 81330117120 squared (81330117120²) is 6614587950752917094400
• 81330117120 cubed (81330117120³) is 537965212735275539469202096128000
• The square root of 81330117120 is 285184.3563732065
• The cube root of 81330117120 is 4332.6186607325

Scales and comparisons

• 81,330,117,120 seconds is equal to 2,586 years, 2 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 81,330,117,120 would take you about five thousand, one hundred seventy-two 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 81330117120 cubic inches would be around 361.1 feet tall.

Recreational maths with 81330117120

• 81330117120 backwards is 02171103318
• 81330117120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81330117120's digits is 27
• More coming soon!