18363309849

Names of 18363309849

• Cardinal: 18363309849 can be written as Eighteen billion, three hundred sixty-three million, three hundred nine thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 1.8363309849 × 10¹⁰

Factors of 18363309849

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 307

Divisors of 18363309849

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 17 27 29 51 81 87 101 153 157 261 303 459 471 493 783 841 909 1377 1413 1479 1717 2349 2523 2669 2727 2929 4239 4437 4553 5151 7569 8007 8181 8787 12717 13311 13659 14297 15453 15857 22707 24021 26361 39933 40977 42891 46359 47571 49793 68121 72063 77401 79083 84941 122931 128673 132037 139077 142713 149379 216189 232203 237249 254823 269569 368793 386019 396111 428139 448137 459853 696609 764469 808707 1158057 1188333 1284417 1344411 1379559 1443997 2089827 2244629 2293407 2426121 3564999 4033233 4138677 4331991 6269481 6733887 6880221 7278363 7817501 10694997 12416031 12995973 13335737 20201661 21835089 23452503 37248093 38987919 40007211 60604983 70357509 116963757 120021633 181814949 211072527 226707529 360064899 633217581 680122587 1080194697 2040367761 6121103283 18363309849
• Sum of all divisors σ(n): 30572664408
• Sum of proper divisors (its aliquot sum) s(n): 12209354559
• 18363309849 is a deficient number, because the sum of its proper divisors (12209354559) is less than itself. Its deficiency is 6153955290

Bases of 18363309849

• Binary: 10001000110100010011101111100011001₂
• Hexadecimal: 0x44689DF19
• Base-36: 8FP1GK9

Squares and roots of 18363309849

• 18363309849 squared (18363309849²) is 337211148610380402801
• 18363309849 cubed (18363309849³) is 6192312806469601114392190487049
• The square root of 18363309849 is 135511.2904853319
• The cube root of 18363309849 is 2638.2563214635

Scales and comparisons

• 18,363,309,849 seconds is equal to 583 years, 46 weeks, 4 days, 7 hours, 24 minutes, 9 seconds.
• To count from 1 to 18,363,309,849 would take you about one thousand, one hundred sixty-seven 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 18363309849 cubic inches would be around 219.9 feet tall.

Recreational maths with 18363309849

• 18363309849 backwards is 94890336381
• The number of decimal digits it has is: 11
• The sum of 18363309849's digits is 54
• More coming soon!