18009955579

Names of 18009955579

• Cardinal: 18009955579 can be written as Eighteen billion, nine million, nine hundred fifty-five thousand, five hundred seventy-nine.

Scientific notation

• Scientific notation: 1.8009955579 × 10¹⁰

Factors of 18009955579

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1952

Divisors of 18009955579

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 11 29 31 77 151 203 217 319 341 899 1057 1661 1723 2233 2387 4379 4681 6293 9889 11627 12061 18953 30653 32767 48169 49967 51491 53413 69223 132671 135749 260173 337183 349769 360437 373891 549637 587543 950243 1493239 1548977 1821211 2861903 3847459 4112801 7545017 8065363 10452673 10842839 17038747 20033321 52815119 56457541 82995187 88718993 119271229 233895527 580966309 621032951 1637268689 2572850797 18009955579
• Sum of all divisors σ(n): 24150343680
• Sum of proper divisors (its aliquot sum) s(n): 6140388101
• 18009955579 is a deficient number, because the sum of its proper divisors (6140388101) is less than itself. Its deficiency is 11869567478

Bases of 18009955579

• Binary: 10000110001011110100001110011111011₂
• Hexadecimal: 0x4317A1CFB
• Base-36: 89UNUNV

Squares and roots of 18009955579

• 18009955579 squared (18009955579²) is 324358499957553225241
• 18009955579 cubed (18009955579³) is 5841682175906606972118591569539
• The square root of 18009955579 is 134201.1757735379
• The cube root of 18009955579 is 2621.2244717879

Scales and comparisons

• 18,009,955,579 seconds is equal to 572 years, 34 weeks, 2 days, 13 hours, 26 minutes, 19 seconds.
• To count from 1 to 18,009,955,579 would take you about one thousand, one hundred forty-five 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 18009955579 cubic inches would be around 218.4 feet tall.

Recreational maths with 18009955579

• 18009955579 backwards is 97555990081
• The number of decimal digits it has is: 11
• The sum of 18009955579's digits is 58
• More coming soon!