18011641440

Names of 18011641440

• Cardinal: 18011641440 can be written as Eighteen billion, eleven million, six hundred forty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.801164144 × 10¹⁰

Factors of 18011641440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 430

Divisors of 18011641440

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 26 30 32 34 37 39 40 48 51 52 60 65 68 74 78 80 85 96 102 104 111 120 130 136 148 156 160 169 170 185 195 204 208 221 222 240 255 260 272 296 312 338 340 353 370 390 408 416 442 444 480 481 507 510 520 544 555 592 624 629 663 676 680 706 740 780 816 845 884 888 962 1014 1020 1040 1059 1105 1110 1184 1248 1258 1326 1352 1360 1412 1443 1480 1560 1632 1690 1765 1768 1776 1887 1924 2028 2040 2080 2118 2210 2220 2405 2516 2535 2652 2704 2720 2824 2873 2886 2960 3120 3145 3315 3380 3530 3536 3552 3774 3848 4056 4080 4236 4420 4440 4589 4810 5032 5070 5295 5304 5408 5648 5746 5772 5920 6001 6240 6253 6290 6630 6760 7060 7072 7215 7548 7696 8112 8160 8177 8472 8619 8840 8880 9178 9435 9620 10064 10140 10590 10608 11296 11492 11544 12002 12506 12580 13061 13260 13520 13767 14120 14365 14430 15096 15392 16224 16354 16944 17238 17680 17760 18003 18356 18759 18870 19240 20128 20280 21180 21216 22945 22984 23088 24004 24531 25012 25160 26122 26520 27040 27534 28240 28730 28860 30005 30192 31265 32708 33888 34476 35360 36006 36712 37518 37740 38480 39183 40560 40885 42360 43095 45890 45968 46176 48008 49062 50024 50320 52244 53040 55068 56480 57460 57720 59657 60010 60384 62530 65305 65416 68835 68952 72012 73424 75036 75480 76960 78013 78366 81120 81770 84720 86190 90015 91780 91936 93795 96016 98124 100048 100640 104488 106080 106301 110136 114920 115440 119314 120020 122655 125060 130610 130832 137670 137904 144024 146848 150072 150960 156026 156732 163540 169440 169793 172380 178971 180030 183560 187590 192032 195915 196248 200096 208976 212602 220272 222037 229840 230880 234039 238628 240040 245310 250120 261220 261664 275340 275808 288048 298285 300144 301920 312052 313464 318903 327080 339586 344760 357942 360060 367120 375180 390065 391830 392496 417952 425204 440544 444074 459680 468078 477256 480080 490620 500240 509379 522440 531505 550680 576096 596570 600288 624104 626928 637806 654160 666111 679172 689520 715884 720120 734240 750360 780130 783660 784992 848965 850408 888148 894855 936156 954512 960160 981240 1000480 1014169 1018758 1044880 1063010 1101360 1110185 1170195 1193140 1248208 1253856 1275612 1308320 1332222 1358344 1379040 1431768 1440240 1500720 1560260 1567320 1594515 1697930 1700816 1776296 1789710 1872312 1909024 1962480 2028338 2037516 2089760 2126020 2202720 2207309 2220370 2340390 2386280 2496416 2546895 2551224 2664444 2716688 2863536 2880480 2886481 3001440 3042507 3120520 3134640 3189030 3330555 3395860 3401632 3552592 3579420 3744624 3924960 4056676 4075032 4252040 4414618 4440740 4680780 4772560 5070845 5093790 5102448 5328888 5433376 5727072 5772962 6085014 6241040 6269280 6378060 6621927 6661110 6791720 7105184 7158840 7489248 8113352 8150064 8504080 8659443 8829236 8881480 9361560 9545120 10141690 10187580 10204896 10657776 11036545 11545924 12170028 12482080 12756120 13243854 13322220 13583440 14317680 14432405 15212535 16226704 16300128 17008160 17318886 17658472 17762960 18723120 20283380 20375160 21315552 22073090 23091848 24340056 25512240 26487708 26644440 27166880 28635360 28864810 30425070 32453408 33109635 34637772 35316944 35525920 37446240 37524253 40566760 40750320 43297215 44146180 46183696 48680112 51024480 52975416 53288880 57729620 60850140 66219270 69275544 70633888 75048506 81133520 81500640 86594430 88292360 92367392 97360224 105950832 106577760 112572759 115459240 121700280 132438540 138551088 150097012 162267040 173188860 176584720 187621265 211901664 225145518 230918480 243400560 264877080 277102176 300194024 346377720 353169440 375242530 450291036 461836960 486801120 529754160 562863795 600388048 692755440 750485060 900582072 1059508320 1125727590 1200776096 1385510880 1500970120 1801164144 2251455180 3001940240 3602328288 4502910360 6003880480 9005820720 18011641440
• Sum of all divisors σ(n): 66998062656
• Sum of proper divisors (its aliquot sum) s(n): 48986421216
• 18011641440 is an abundant number, because the sum of its proper divisors (48986421216) is greater than itself. Its abundance is 30974779776

Bases of 18011641440

• Binary: 10000110001100100111101011001100000₂
• Hexadecimal: 0x43193D660
• Base-36: 89VNZHC

Squares and roots of 18011641440

• 18011641440 squared (18011641440²) is 324419227363125273600
• 18011641440 cubed (18011641440³) is 5843322799506449105885097984000
• The square root of 18011641440 is 134207.4567227917
• The cube root of 18011641440 is 2621.3062577055

Scales and comparisons

• 18,011,641,440 seconds is equal to 572 years, 37 weeks, 1 day, 1 hour, 44 minutes.
• To count from 1 to 18,011,641,440 would take you about one thousand, one hundred forty-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 18011641440 cubic inches would be around 218.4 feet tall.

Recreational maths with 18011641440

• 18011641440 backwards is 04414611081
• 18011641440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18011641440's digits is 30
• More coming soon!