18643144520

Names of 18643144520

• Cardinal: 18643144520 can be written as Eighteen billion, six hundred forty-three million, one hundred forty-four thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.864314452 × 10¹⁰

Factors of 18643144520

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 565

Divisors of 18643144520

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 17 20 22 26 28 34 35 40 44 52 55 56 61 65 68 70 77 85 88 91 104 110 119 122 130 136 140 143 154 170 182 187 220 221 238 244 260 280 286 305 308 340 364 374 385 427 440 442 449 455 476 488 520 572 595 610 616 671 680 715 728 748 770 793 854 884 898 910 935 952 1001 1037 1105 1144 1190 1220 1309 1342 1430 1496 1540 1547 1586 1708 1768 1796 1820 1870 2002 2074 2135 2210 2245 2380 2431 2440 2618 2684 2860 3080 3094 3143 3172 3355 3416 3592 3640 3740 3965 4004 4148 4270 4420 4490 4697 4760 4862 4939 5005 5185 5236 5368 5551 5720 5837 6188 6286 6344 6545 6710 7259 7480 7633 7735 7930 8008 8296 8540 8723 8840 8980 9394 9724 9878 10010 10370 10472 11102 11407 11674 12155 12376 12572 13090 13420 13481 14518 15266 15470 15715 15860 17017 17080 17446 17960 18788 19448 19756 20020 20740 22204 22814 23348 23485 24310 24695 25144 26180 26840 26962 27389 27755 29036 29185 30532 30940 31430 31720 34034 34573 34892 36295 37576 38165 39512 40040 40859 41480 43615 44408 45628 46696 46970 48620 49390 52360 53431 53924 54778 55510 57035 58072 58370 61061 61064 61880 62860 64207 67405 68068 69146 69784 72590 76330 79849 81718 83963 85085 87230 91256 93940 94367 97240 98780 99229 106862 107848 109556 111020 114070 116740 122122 125720 128414 134810 136136 136945 138292 145180 148291 152660 159698 163436 167926 170170 172865 174460 187880 188734 191723 197560 198458 204295 213724 219112 222040 228140 233480 244244 256828 267155 269620 273890 276584 290360 296582 301279 305305 305320 319396 321035 326872 335852 340340 345730 348920 356057 377468 383446 396916 399245 408590 419815 427448 449449 456280 465613 471835 488488 496145 513656 534310 539240 547780 587741 593164 602558 610610 638792 642070 671704 680680 691460 694603 712114 741455 754936 766892 793832 798490 817180 839630 898898 931226 943670 958615 992290 1038037 1068620 1091519 1095560 1175482 1186328 1205116 1221220 1284140 1382920 1389206 1424228 1482910 1506395 1533784 1596980 1634360 1679260 1780285 1797796 1862452 1887340 1917230 1984580 2076074 2108953 2137240 2183038 2247245 2328065 2350964 2410232 2442440 2492399 2568280 2778412 2848456 2938705 2965820 3012790 3193960 3259291 3358520 3473015 3560570 3595592 3724904 3774680 3834460 3916627 3969160 4152148 4217906 4366076 4494490 4656130 4701928 4984798 5121743 5190185 5457595 5556824 5877410 5931640 6025580 6052969 6518582 6946030 7121140 7640633 7668920 7833254 8304296 8435812 8732152 8988980 9312260 9969596 10243486 10380370 10544765 10915190 11754820 12051160 12105938 12461995 13037164 13892060 14242280 15281266 15666508 16296455 16871624 17977960 18624520 19583135 19939192 20486972 20760740 21089530 21830380 23509640 24211876 24923990 25608715 26074328 27416389 27784120 30264845 30562532 31333016 32592910 35852201 38203165 39166270 40973944 41521480 42179060 42370783 43660760 48423752 49847980 51217430 54832778 60529690 61125064 65185820 66582659 71704402 76406330 78332540 84358120 84741566 99695960 102434860 109665556 121059380 130371640 133165318 137081945 143408804 152812660 156665080 169483132 179261005 204869720 211853915 219331112 242118760 266330636 274163890 286817608 305625320 332913295 338966264 358522010 423707830 466078613 532661272 548327780 665826590 717044020 847415660 932157226 1096655560 1331653180 1434088040 1694831320 1864314452 2330393065 2663306360 3728628904 4660786130 9321572260 18643144520
• Sum of all divisors σ(n): 60746112000
• Sum of proper divisors (its aliquot sum) s(n): 42102967480
• 18643144520 is an abundant number, because the sum of its proper divisors (42102967480) is greater than itself. Its abundance is 23459822960

Bases of 18643144520

• Binary: 10001010111001101111100111101001000₂
• Hexadecimal: 0x45737CF48
• Base-36: 8KBNADK

Squares and roots of 18643144520

• 18643144520 squared (18643144520²) is 347566837593606030400
• 18643144520 cubed (18643144520³) is 6479738783616966252690713408000
• The square root of 18643144520 is 136539.9008348841
• The cube root of 18643144520 is 2651.5900992085

Scales and comparisons

• 18,643,144,520 seconds is equal to 592 years, 41 weeks, 2 days, 3 hours, 15 minutes, 20 seconds.
• To count from 1 to 18,643,144,520 would take you about one thousand, one hundred eighty-five 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 18643144520 cubic inches would be around 221 feet tall.

Recreational maths with 18643144520

• 18643144520 backwards is 02544134681
• The number of decimal digits it has is: 11
• The sum of 18643144520's digits is 38
• More coming soon!