18381842320009806400

Names of 18381842320009806400

• Cardinal: 18381842320009806400 can be written as Eighteen quintillion, three hundred eighty-one quadrillion, eight hundred forty-two trillion, three hundred twenty billion, nine million, eight hundred six thousand, four hundred.

Scientific notation

• Scientific notation: 1.83818423200098064 × 10¹⁹

Factors of 18381842320009806400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 15312175

Divisors of 18381842320009806400

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 64 70 80 98 100 112 140 160 175 196 200 224 245 280 320 350 392 400 448 490 560 700 784 800 980 1120 1225 1400 1568 1600 1960 2240 2450 2800 3136 3920 4900 5600 7840 9800 11200 15680 19600 39200 78400 15312161 30624322 61248644 76560805 107185127 122497288 153121610 214370254 244994576 306243220 382804025 428740508 489989152 535925635 612486440 750295889 765608050 857481016 979978304 1071851270 1224972880 1500591778 1531216100 1714962032 2143702540 2449945760 2679628175 3001183556 3062432200 3429924064 3751479445 4287405080 4899891520 5359256350 6002367112 6124864400 6859848128 7502958890 8574810160 10718512700 12004734224 12249728800 15005917780 17149620320 18757397225 21437025400 24009468448 24499457600 30011835560 34299240640 37514794450 42874050800 48018936896 60023671120 75029588900 85748101600 120047342240 150059177800 171496203200 240094684480 300118355600 600236711200 1200473422400 234462274489921 468924548979842 937849097959684 1172311372449605 1641235921429447 1875698195919368 2344622744899210 3282471842858894 3751396391838736 4689245489798420 5861556862248025 6564943685717788 7502792783677472 8206179607147235 9378490979596840 11488651450006129 11723113724496050 13129887371435576 15005585567354944 16412359214294470 18756981959193680 22977302900012258 23446227448992100 26259774742871152 32824718428588940 37513963918387360 41030898035736175 45954605800024516 46892454897984200 52519549485742304 57443257250030645 65649436857177880 75027927836774720 82061796071472350 91909211600049032 93784909795968400 105039098971484608 114886514500061290 131298873714355760 164123592142944700 183818423200098064 187569819591936800 229773029000122580 262597747428711520 287216286250153225 328247184285889400 367636846400196128 375139639183873600 459546058000245160 525195494857423040 574432572500306450 656494368571778800 735273692800392256 919092116000490320 1148865145000612900 1312988737143557600 1838184232000980640 2297730290001225800 2625977474287115200 3676368464001961280 4595460580002451600 9190921160004903200 18381842320009806400
• Sum of all divisors σ(n): 52615447992195643947
• Sum of proper divisors (its aliquot sum) s(n): 34233605672185837547
• 18381842320009806400 is an abundant number, because the sum of its proper divisors (34233605672185837547) is greater than itself. Its abundance is 15851763352176031147

Bases of 18381842320009806400

• Binary: 1111111100011001011011000011001011101001011011010100001001000000₂
• Hexadecimal: 0xFF196C32E96D4240
• Base-36: 3VNMZA04LL1Z4

Squares and roots of 18381842320009806400

• 18381842320009806400 squared (18381842320009806400²) is 337892127077703501797053792165480960000
• 18381842320009806400 cubed (18381842320009806400³) is 6211079801115061663100254239763944981989718772486144000000
• 18381842320009806400 is a perfect square number. Its square root is 4287405080
• The cube root of 18381842320009806400 is 2639143.5429661347

Scales and comparisons

• 18,381,842,320,009,806,400 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,381,842,320,009,806,400 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18381842320009806400 cubic inches would be around 219928.6 feet tall.

Recreational maths with 18381842320009806400

• 18381842320009806400 backwards is 00460890002324818381
• The number of decimal digits it has is: 20
• The sum of 18381842320009806400's digits is 67
• More coming soon!