18820839690

Names of 18820839690

• Cardinal: 18820839690 can be written as Eighteen billion, eight hundred twenty million, eight hundred thirty-nine thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.882083969 × 10¹⁰

Factors of 18820839690

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 579310

Divisors of 18820839690

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 361 570 722 855 1083 1710 1805 2166 3249 3610 5415 6498 10830 16245 32490 579281 1158562 1737843 2896405 3475686 5213529 5792810 8689215 10427058 11006339 17378430 22012678 26067645 33019017 52135290 55031695 66038034 99057051 110063390 165095085 198114102 209120441 330190170 418240882 495285255 627361323 990570510 1045602205 1254722646 1882083969 2091204410 3136806615 3764167938 6273613230 9410419845 18820839690
• Sum of all divisors σ(n): 51645307428
• Sum of proper divisors (its aliquot sum) s(n): 32824467738
• 18820839690 is an abundant number, because the sum of its proper divisors (32824467738) is greater than itself. Its abundance is 14003628048

Bases of 18820839690

• Binary: 10001100001110011110011100100001010₂
• Hexadecimal: 0x461CF390A
• Base-36: 8N9FWUI

Squares and roots of 18820839690

• 18820839690 squared (18820839690²) is 354224006636679296100
• 18820839690 cubed (18820839690³) is 6666793243258437105840142209000
• The square root of 18820839690 is 137189.0654899287
• The cube root of 18820839690 is 2659.9879251153

Scales and comparisons

• 18,820,839,690 seconds is equal to 598 years, 23 weeks, 19 hours, 1 minute, 30 seconds.
• To count from 1 to 18,820,839,690 would take you about one thousand, one hundred ninety-six 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 18820839690 cubic inches would be around 221.7 feet tall.

Recreational maths with 18820839690

• 18820839690 backwards is 09693802881
• The number of decimal digits it has is: 11
• The sum of 18820839690's digits is 54
• More coming soon!