18394157232320

Names of 18394157232320

• Cardinal: 18394157232320 can be written as Eighteen trillion, three hundred ninety-four billion, one hundred fifty-seven million, two hundred thirty-two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.839415723232 × 10¹³

Factors of 18394157232320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 204

Divisors of 18394157232320

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 31 32 34 40 62 64 68 80 85 124 136 149 155 160 170 248 272 289 298 310 320 340 496 527 544 578 596 620 680 745 992 1054 1088 1156 1192 1240 1360 1445 1490 1984 2108 2312 2384 2480 2533 2635 2720 2890 2980 4216 4619 4624 4768 4913 4960 5066 5270 5440 5780 5960 8432 8959 9238 9248 9536 9826 9920 10132 10540 11560 11920 12665 16864 17918 18476 18496 19652 20264 21080 22201 23095 23120 23840 24565 25330 33728 35836 36952 39304 40528 42160 43061 44402 44795 46190 46240 47680 49130 50660 71672 73904 78523 78608 81056 83521 84320 86122 88804 89590 92380 92480 98260 101320 111005 143344 147808 152303 157046 157216 162112 167042 168640 172244 177608 179180 184760 196520 202640 215305 222010 286688 295616 304606 314092 314432 334084 344488 355216 358360 369520 377417 392615 393040 405280 417605 430610 444020 573376 609212 628184 668168 688231 688976 710432 716720 732037 739040 754834 761515 785230 786080 810560 835210 861220 888040 1218424 1256368 1334891 1336336 1376462 1377952 1420864 1433440 1464074 1478080 1509668 1523030 1570460 1572160 1670420 1722440 1776080 1887085 2436848 2512736 2589151 2669782 2672672 2752924 2755904 2866880 2928148 3019336 3046060 3140920 3340840 3441155 3444880 3552160 3660185 3774170 4873696 5025472 5178302 5339564 5345344 5505848 5856296 6038672 6092120 6281840 6416089 6674455 6681680 6882310 6889760 7104320 7320370 7548340 9747392 10356604 10679128 11011696 11699927 11712592 12077344 12184240 12444629 12563680 12832178 12945755 13348910 13363360 13764620 13779520 14640740 15096680 20713208 21358256 22023392 22693147 23399854 23425184 24154688 24368480 24889258 25127360 25664356 25891510 26697820 26726720 27529240 29281480 30193360 32080445 41426416 42716512 44046784 45386294 46799708 46850368 48736960 49778516 51328712 51783020 53395640 55058480 58499635 58562960 60386720 62223145 64160890 82852832 85433024 90772588 93599416 99557032 102657424 103566040 106791280 109073513 110116960 113465735 116999270 117125920 120773440 124446290 128321780 165705664 181545176 187198832 198898759 199114064 205314848 207132080 213582560 218147026 220233920 226931470 233998540 234251840 248892580 256643560 363090352 374397664 385783499 397797518 398228128 410629696 414264160 427165120 436294052 453862940 467997080 497785160 513287120 545367565 726180704 748795328 771566998 795595036 796456256 828528320 872588104 907725880 935994160 994493795 995570320 1026574240 1090735130 1452361408 1543133996 1591190072 1745176208 1815451760 1854249721 1871988320 1928917495 1988987590 1991140640 2053148480 2181470260 3086267992 3182380144 3381278903 3490352416 3630903520 3708499442 3743976640 3857834990 3977975180 3982281280 4362940520 6172535984 6364760288 6762557806 6980704832 7261807040 7416998884 7715669980 7955950360 8725881040 9271248605 12345071968 12729520576 13525115612 14833997768 15431339960 15911900720 16906394515 17451762080 18542497210 24690143936 27050231224 29667995536 30862679920 31823801440 33812789030 34903524160 37084994420 54100462448 57481741351 59335991072 61725359840 63647602880 67625578060 74169988840 108200924896 114963482702 118671982144 123450719680 135251156120 148339977680 216401849792 229926965404 270502312240 287408706755 296679955360 459853930808 541004624480 574817413510 593359910720 919707861616 1082009248960 1149634827020 1839415723232 2299269654040 3678831446464 4598539308080 9197078616160 18394157232320
• Sum of all divisors σ(n): 48364447018944
• Sum of proper divisors (its aliquot sum) s(n): 29970289786624
• 18394157232320 is an abundant number, because the sum of its proper divisors (29970289786624) is greater than itself. Its abundance is 11576132554304

Bases of 18394157232320

• Binary: 100001011101010111001001101010011000011000000₂
• Hexadecimal: 0x10BAB93530C0
• Base-36: 6IQ5QAJSW

Squares and roots of 18394157232320

• 18394157232320 squared (18394157232320²) is 338345020287310162452582400
• 18394157232320 cubed (18394157232320³) is 6223571501937283348996202662020743168000
• The square root of 18394157232320 is 4288841.0127119421
• The cube root of 18394157232320 is 26397.3277599779

Scales and comparisons

• 18,394,157,232,320 seconds is equal to 584,877 years, 15 weeks, 5 days, 8 hours, 5 minutes, 20 seconds.
• To count from 1 to 18,394,157,232,320 would take you about one million, four hundred sixty-two thousand, one hundred ninety-three 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 18394157232320 cubic inches would be around 2199.8 feet tall.

Recreational maths with 18394157232320

• 18394157232320 backwards is 02323275149381
• The number of decimal digits it has is: 14
• The sum of 18394157232320's digits is 50
• More coming soon!