18019449118

Names of 18019449118

• Cardinal: 18019449118 can be written as Eighteen billion, nineteen million, four hundred forty-nine thousand, one hundred eighteen.

Scientific notation

• Scientific notation: 1.8019449118 × 10¹⁰

Factors of 18019449118

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1153

Divisors of 18019449118

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 11 22 53 71 106 142 307 583 614 709 781 1166 1418 1562 3377 3763 6754 7526 7799 15598 16271 21797 32542 37577 41393 43594 50339 75154 82786 100678 178981 217663 239767 357962 413347 435326 479534 553729 826694 1107458 1155241 2310482 2394293 2667967 4788586 5335934 11536139 12707651 15454073 23072278 25415302 29347637 30908146 58695274 126897529 169994803 253795058 339989606 819065869 1638131738 9009724559 18019449118
• Sum of all divisors σ(n): 30608202240
• Sum of proper divisors (its aliquot sum) s(n): 12588753122
• 18019449118 is a deficient number, because the sum of its proper divisors (12588753122) is less than itself. Its deficiency is 5430695996

Bases of 18019449118

• Binary: 10000110010000010101111100100011110₂
• Hexadecimal: 0x4320AF91E
• Base-36: 8A0BBXA

Squares and roots of 18019449118

• 18019449118 squared (18019449118²) is 324700546516190977924
• 18019449118 cubed (18019449118³) is 5850924976535295489872179271032
• The square root of 18019449118 is 134236.5416643319
• The cube root of 18019449118 is 2621.6849638649

Scales and comparisons

• 18,019,449,118 seconds is equal to 572 years, 50 weeks, 10 hours, 31 minutes, 58 seconds.
• To count from 1 to 18,019,449,118 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 18019449118 cubic inches would be around 218.5 feet tall.

Recreational maths with 18019449118

• 18019449118 backwards is 81194491081
• The number of decimal digits it has is: 11
• The sum of 18019449118's digits is 46
• More coming soon!