218012820840

Names of 218012820840

• Cardinal: 218012820840 can be written as Two hundred eighteen billion, twelve million, eight hundred twenty thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.1801282084 × 10¹¹

Factors of 218012820840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 852

Divisors of 218012820840

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 31 36 40 45 54 60 62 72 79 90 93 108 120 124 135 139 155 158 180 186 216 237 248 270 278 279 310 316 360 372 395 417 465 474 540 556 558 593 620 632 695 711 744 790 834 837 930 948 1080 1112 1116 1185 1186 1240 1251 1390 1395 1422 1580 1668 1674 1779 1860 1896 2085 2133 2232 2370 2372 2449 2502 2780 2790 2844 2965 3160 3336 3348 3555 3558 3720 3753 4170 4185 4266 4309 4740 4744 4898 5004 5337 5560 5580 5688 5930 6255 6696 7110 7116 7347 7506 8340 8370 8532 8618 8895 9480 9796 10008 10665 10674 10981 11160 11860 12245 12510 12927 14220 14232 14694 15012 16011 16680 16740 17064 17236 17790 18383 18765 19592 21330 21348 21545 21962 22041 23720 24490 25020 25854 26685 28440 29388 30024 32022 32943 33480 34472 35580 36735 36766 37530 38781 42660 42696 43090 43924 44082 46847 48980 50040 51708 53370 54905 55149 58776 64044 64635 65886 66123 71160 73470 73532 75060 77562 80055 82427 85320 86180 87848 88164 91915 93694 97960 98829 103416 106740 109810 110205 110298 116343 128088 129270 131772 132246 140541 146940 147064 150120 155124 160110 164715 164854 165447 172360 176328 183830 187388 193905 197658 213480 219620 220410 220596 232686 234235 247281 258540 263544 264492 275745 281082 293880 296487 310248 320220 329430 329708 330615 330894 340411 367660 374776 387810 395316 412135 421623 439240 440820 441192 465372 468470 494145 494562 496341 517080 528984 551490 562164 581715 592974 640440 658860 659416 661230 661788 680822 702705 735320 741843 775620 790632 824270 827235 843246 881640 930744 936940 988290 989124 992682 1021233 1102980 1124328 1163430 1185948 1236405 1264869 1317720 1322460 1323576 1361644 1405410 1452257 1482435 1483686 1551240 1648540 1654470 1686492 1702055 1873880 1976580 1978248 1985364 2042466 2108115 2205960 2225529 2326860 2371896 2472810 2481705 2529738 2555237 2644920 2723288 2810820 2904514 2964870 2967372 3063699 3297080 3308940 3372984 3404110 3709215 3953160 3970728 4084932 4216230 4356771 4451058 4653720 4945620 4963410 5059476 5106165 5110474 5621640 5809028 5929740 5934744 6127398 6324345 6511733 6617880 6808220 7261285 7418430 7665711 8169864 8432460 8713542 8902116 9191097 9891240 9926820 10118952 10212330 10220948 11127645 11618056 11859480 12254796 12648690 12776185 13023466 13070313 13616440 14522570 14836860 15318495 15331422 16864920 17427084 17804232 18382194 19535199 19853640 20424660 20441896 21783855 22255290 22997133 24509592 25297380 25552370 26046932 26140626 29045140 29673720 30636990 30662844 32558665 34854168 36764388 38328555 39070398 39210939 40849320 43567710 44510580 45955485 45994266 50594760 51104740 52093864 52281252 58090280 58605597 61273980 61325688 65117330 65351565 68991399 73528776 76657110 78140796 78421878 87135420 89021160 91910970 91988532 97675995 102209480 104562504 114985665 117211194 122547960 130234660 130703130 137982798 153314220 156281592 156843756 174270840 175816791 183821940 183977064 195351990 196054695 201863723 229971330 234422388 260469320 261406260 275965596 293027985 306628440 313687512 344956995 351633582 367643880 390703980 392109390 403727446 459942660 468844776 522812520 551931192 586055970 605591169 689913990 703267164 781407960 784218780 807454892 879083955 919885320 1009318615 1172111940 1211182338 1379827980 1406534328 1568437560 1614909784 1758167910 1816773507 2018637230 2344223880 2422364676 2759655960 3027955845 3516335820 3633547014 4037274460 4844729352 5450320521 6055911690 7032671640 7267094028 8074548920 9083867535 10900641042 12111823380 14534188056 18167735070 21801282084 24223646760 27251602605 36335470140 43602564168 54503205210 72670940280 109006410420 218012820840
• Sum of all divisors σ(n): 766402560000
• Sum of proper divisors (its aliquot sum) s(n): 548389739160
• 218012820840 is an abundant number, because the sum of its proper divisors (548389739160) is greater than itself. Its abundance is 330376918320

Bases of 218012820840

• Binary: 11001011000010100100111010010101101000₂
• Hexadecimal: 0x32C293A568
• Base-36: 2S5J7D60

Squares and roots of 218012820840

• 218012820840 squared (218012820840²) is 47529590050613938305600
• 218012820840 cubed (218012820840³) is 10362060000303143063825585968704000
• The square root of 218012820840 is 466918.4306064605
• The cube root of 218012820840 is 6018.5796367963

Scales and comparisons

• 218,012,820,840 seconds is equal to 6,932 years, 6 weeks, 6 days, 12 hours, 54 minutes.
• To count from 1 to 218,012,820,840 would take you about thirteen thousand, eight hundred sixty-four 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 218012820840 cubic inches would be around 501.5 feet tall.

Recreational maths with 218012820840

• 218012820840 backwards is 048028210812
• 218012820840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 218012820840's digits is 36
• More coming soon!