18083703990

Names of 18083703990

• Cardinal: 18083703990 can be written as Eighteen billion, eighty-three million, seven hundred three thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.808370399 × 10¹⁰

Factors of 18083703990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 628

Divisors of 18083703990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 30 31 33 55 62 66 93 110 127 155 165 186 254 310 330 341 381 449 465 635 682 762 898 930 961 1023 1270 1347 1397 1705 1905 1922 2046 2245 2694 2794 2883 3410 3810 3937 4191 4490 4805 4939 5115 5766 6735 6985 7874 8382 9610 9878 10230 10571 11811 13470 13919 13970 14415 14817 19685 20955 21142 23622 24695 27838 28830 29634 31713 39370 41757 41910 43307 49390 52855 57023 59055 63426 69595 74085 83514 86614 105710 114046 118110 122047 129921 139190 148170 153109 158565 171069 208785 216535 244094 259842 285115 306218 317130 342138 366141 417570 431489 433070 459327 570230 610235 627253 649605 732282 765545 855345 862978 918654 1220470 1254506 1294467 1299210 1342517 1531090 1710690 1767713 1830705 1881759 2157445 2296635 2588934 2685034 3136265 3535426 3661410 3763518 4027551 4314890 4593270 4746379 5303139 6272530 6472335 6712585 8055102 8838565 9408795 9492758 10606278 12944670 13425170 14239137 17677130 18817590 19444843 20137755 23731895 26515695 28478274 38889686 40275510 47463790 53031390 54799103 58334529 71195685 97224215 109598206 116669058 142391370 164397309 194448430 273995515 291672645 328794618 547991030 583345290 602790133 821986545 1205580266 1643973090 1808370399 3013950665 3616740798 6027901330 9041851995 18083703990
• Sum of all divisors σ(n): 49418035200
• Sum of proper divisors (its aliquot sum) s(n): 31334331210
• 18083703990 is an abundant number, because the sum of its proper divisors (31334331210) is greater than itself. Its abundance is 13250627220

Bases of 18083703990

• Binary: 10000110101110111110110110010110110₂
• Hexadecimal: 0x435DF6CB6
• Base-36: 8B2KJAU

Squares and roots of 18083703990

• 18083703990 squared (18083703990²) is 327020349997941920100
• 18083703990 cubed (18083703990³) is 5913739208068978792300631199000
• The square root of 18083703990 is 134475.6631885489
• The cube root of 18083703990 is 2624.7974562997

Scales and comparisons

• 18,083,703,990 seconds is equal to 575 years, 2 days, 3 hours, 6 minutes, 30 seconds.
• To count from 1 to 18,083,703,990 would take you about one thousand, one hundred fifty 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 18083703990 cubic inches would be around 218.7 feet tall.

Recreational maths with 18083703990

• 18083703990 backwards is 09930738081
• The number of decimal digits it has is: 11
• The sum of 18083703990's digits is 48
• More coming soon!