18243842085

Names of 18243842085

• Cardinal: 18243842085 can be written as Eighteen billion, two hundred forty-three million, eight hundred forty-two thousand and eighty-five.

Scientific notation

• Scientific notation: 1.8243842085 × 10¹⁰

Factors of 18243842085

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 587

Divisors of 18243842085

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 9 15 19 21 27 31 35 45 57 63 73 93 95 105 133 135 155 171 189 217 219 279 285 315 365 399 449 465 511 513 589 651 657 665 837 855 945 1085 1095 1197 1347 1387 1395 1533 1767 1953 1971 1995 2245 2263 2555 2565 2945 3143 3255 3285 3591 4041 4123 4161 4185 4599 5301 5859 5985 6735 6789 6935 7665 8531 8835 9429 9709 9765 9855 11315 12123 12369 12483 13797 13919 15715 15841 15903 17955 20205 20367 20615 20805 22995 25593 26505 28287 29127 29295 32777 33945 37107 37449 41757 42655 42997 47145 47523 48545 59717 60615 61101 61845 62415 68985 69595 76779 79205 79515 84861 87381 97433 98331 101835 111321 125271 127965 128991 141435 142569 145635 163885 179151 185535 187245 208785 214985 229439 230337 237615 262143 264461 292299 294993 298585 300979 305505 375813 383895 386973 424305 427707 436905 487165 491655 537453 556605 622763 626355 644955 688317 712845 793383 876897 884979 895755 902937 1016087 1147195 1151685 1160919 1310715 1322305 1461495 1474965 1504895 1612359 1851227 1868289 1879065 1934865 2064951 2138535 2380149 2630691 2687265 2708811 3048261 3113815 3441585 3966915 4359341 4384485 4424895 4514685 5080435 5553681 5604867 5804595 6194853 7112609 7140447 8061795 8126433 9144783 9256135 9341445 10324755 11900745 13078023 13153455 13544055 15241305 16661043 16814601 19305653 21337827 21796705 27434349 27768405 28024335 30974265 35563045 35702235 39234069 40632165 45723915 49983129 57916959 64013481 65390115 83305215 84073005 96528265 106689135 117702207 135139571 137171745 173750877 192040443 196170345 249915645 289584795 320067405 405418713 521252631 588511035 675697855 868754385 960202215 1216256139 2027093565 2606263155 3648768417 6081280695 18243842085
• Sum of all divisors σ(n): 40919040000
• Sum of proper divisors (its aliquot sum) s(n): 22675197915
• 18243842085 is an abundant number, because the sum of its proper divisors (22675197915) is greater than itself. Its abundance is 4431355830

Bases of 18243842085

• Binary: 10000111111011010101111000000100101₂
• Hexadecimal: 0x43F6AF025
• Base-36: 8DPWUN9

Squares and roots of 18243842085

• 18243842085 squared (18243842085²) is 332837774022417147225
• 18243842085 cubed (18243842085³) is 6072239789187893683969095964125
• The square root of 18243842085 is 135069.7674722215
• The cube root of 18243842085 is 2632.5225588769

Scales and comparisons

• 18,243,842,085 seconds is equal to 580 years, 5 weeks, 13 hours, 54 minutes, 45 seconds.
• To count from 1 to 18,243,842,085 would take you about one thousand, one hundred sixty 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 18243842085 cubic inches would be around 219.4 feet tall.

Recreational maths with 18243842085

• 18243842085 backwards is 58024834281
• 18243842085 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18243842085's digits is 45
• More coming soon!