18685850040

Names of 18685850040

• Cardinal: 18685850040 can be written as Eighteen billion, six hundred eighty-five million, eight hundred fifty thousand and forty.

Scientific notation

• Scientific notation: 1.868585004 × 10¹⁰

Factors of 18685850040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 302

Divisors of 18685850040

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 18 20 22 24 26 27 30 33 36 39 40 41 44 45 52 54 55 60 65 66 72 78 82 88 90 99 104 108 110 117 120 123 130 132 135 143 156 164 165 169 180 195 198 205 216 220 227 234 246 260 264 270 286 297 312 328 330 338 351 360 369 390 396 410 429 440 451 454 468 492 495 507 520 533 540 572 585 594 615 660 676 681 702 715 738 780 792 820 845 858 902 908 936 984 990 1014 1066 1080 1107 1135 1144 1170 1188 1230 1287 1320 1352 1353 1362 1404 1430 1476 1485 1521 1560 1599 1640 1690 1716 1755 1804 1816 1845 1859 1980 2028 2043 2132 2145 2214 2255 2270 2340 2376 2460 2497 2535 2574 2665 2706 2724 2808 2860 2951 2952 2970 3042 3198 3380 3405 3432 3510 3608 3690 3718 3861 3960 4056 4059 4086 4264 4290 4428 4510 4540 4563 4680 4797 4920 4994 5070 5148 5330 5412 5448 5535 5577 5720 5863 5902 5940 6084 6129 6396 6435 6760 6765 6810 6929 7020 7380 7436 7491 7605 7722 7995 8118 8172 8580 8853 8856 9020 9080 9126 9295 9307 9594 9988 10140 10215 10296 10660 10824 11070 11154 11726 11804 11880 12168 12177 12258 12485 12792 12870 13530 13620 13858 14040 14391 14755 14760 14872 14982 15210 15444 15990 16236 16344 16731 17160 17589 17706 18040 18252 18590 18614 19188 19305 19976 20280 20295 20430 20787 21320 22140 22308 22473 22815 23452 23608 23985 24354 24516 24970 25740 26559 27060 27240 27716 27885 27921 28782 29315 29510 29964 30420 30645 30888 31980 32461 32472 33462 34645 35178 35412 36504 37180 37228 37455 38363 38376 38610 40590 40860 41574 44265 44280 44616 44946 45630 46535 46904 47970 48708 49032 49940 50193 51480 52767 53118 54120 55432 55770 55842 57564 58630 59020 59928 60840 60885 61290 62361 63960 64922 66924 67419 69290 70356 70824 71955 74360 74456 74910 76219 76726 77220 79677 81180 81720 83148 83655 83763 87945 88530 89892 91260 93070 95940 97383 97416 99880 100386 102377 103935 105534 106236 111540 111684 112365 115089 115128 117260 118040 120991 121770 122580 124722 129844 132795 133848 134838 138580 139605 140712 143910 149820 152438 153452 154440 158301 159354 162305 162360 166296 167310 167526 175890 177060 179784 182520 186140 187083 191815 191880 194766 200772 204754 207870 211068 212472 223080 223368 224730 228657 230178 234520 241982 243540 245160 249444 250965 251289 259688 263835 265590 269676 277160 279210 287820 292149 299640 304876 306904 307131 311805 316602 318708 324610 334620 335052 337095 345267 351780 354120 362973 372280 374166 381095 383630 389532 398385 401544 409508 415740 418815 421993 422136 449460 457314 460356 483964 486915 487080 498888 501930 502578 511885 527670 531180 539352 558420 575445 575640 584298 604955 609752 614262 623610 633204 637416 649220 669240 670104 674190 685971 690534 703560 725946 748332 762190 767260 779064 791505 796770 819016 831480 837630 843986 876447 898920 914628 920712 921393 935415 967928 973830 1003860 1005156 1023770 1035801 1055340 1062360 1088919 1116840 1143285 1150890 1168596 1209910 1228524 1247220 1256445 1265979 1266408 1298440 1330901 1348380 1371942 1381068 1451892 1460745 1496664 1524380 1534520 1535655 1572883 1583010 1593540 1675260 1687972 1726335 1752894 1814865 1829256 1842786 1870830 1947660 2007720 2010312 2047540 2057913 2071602 2109965 2110680 2177838 2286570 2301780 2337192 2419820 2457048 2494440 2512890 2531958 2661802 2696760 2743884 2762136 2764179 2903784 2921490 3048760 3071310 3145766 3166020 3187080 3266757 3350520 3375944 3429855 3452670 3505788 3629730 3685572 3741660 3797937 3895320 3992703 4095080 4115826 4143204 4219930 4355676 4382235 4573140 4603560 4606965 4718649 4839640 5025780 5063916 5179005 5323604 5444595 5487768 5528358 5842980 6142620 6291532 6329895 6332040 6533514 6654505 6859710 6905340 7011576 7259460 7371144 7483320 7595874 7864415 7985406 8231652 8286408 8439860 8711352 8764470 9146280 9213930 9437298 10051560 10127832 10289565 10358010 10647208 10889190 11056716 11393811 11685960 11978109 12285240 12583064 12659790 13067028 13309010 13719420 13810680 13820895 14155947 14518920 15191748 15728830 15970812 16333785 16463304 16879720 17301713 17528940 18427860 18874596 18989685 19963515 20579130 20716020 21778380 22113432 22787622 23593245 23956218 25319580 26134056 26618020 27438840 27641790 28311894 30383496 31457660 31941624 32667570 34603426 35057880 35934327 36855720 37749192 37979370 39927030 41158260 41432040 42467841 43556760 45575244 47186490 47912436 50639160 51905139 53236040 55283580 56623788 56969055 59890545 62915320 65335140 69206852 70779735 71868654 75958740 79854060 82316520 84935682 86508565 91150488 94372980 95824872 103810278 110567160 113247576 113938110 119781090 130670280 138413704 141559470 143737308 151917480 155715417 159708120 169871364 173017130 179671635 188745960 207620556 212339205 227876220 239562180 259525695 283118940 287474616 311430834 339742728 346034260 359343270 415241112 424678410 455752440 467146251 479124360 519051390 566237880 622861668 692068520 718686540 778577085 849356820 934292502 1038102780 1245723336 1437373080 1557154170 1698713640 1868585004 2076205560 2335731255 3114308340 3737170008 4671462510 6228616680 9342925020 18685850040
• Sum of all divisors σ(n): 75704025600
• Sum of proper divisors (its aliquot sum) s(n): 57018175560
• 18685850040 is an abundant number, because the sum of its proper divisors (57018175560) is greater than itself. Its abundance is 38332325520

Bases of 18685850040

• Binary: 10001011001110000110111000110111000₂
• Hexadecimal: 0x459C371B8
• Base-36: 8L12M60

Squares and roots of 18685850040

• 18685850040 squared (18685850040²) is 349160991717368001600
• 18685850040 cubed (18685850040³) is 6524369931048420541392080064000
• The square root of 18685850040 is 136696.1961431259
• The cube root of 18685850040 is 2653.6132053431

Scales and comparisons

• 18,685,850,040 seconds is equal to 594 years, 7 weeks, 6 days, 9 hours, 54 minutes.
• To count from 1 to 18,685,850,040 would take you about one thousand, one hundred eighty-eight 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 18685850040 cubic inches would be around 221.1 feet tall.

Recreational maths with 18685850040

• 18685850040 backwards is 04005858681
• 18685850040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18685850040's digits is 45
• More coming soon!