18478911029464

Names of 18478911029464

• Cardinal: 18478911029464 can be written as Eighteen trillion, four hundred seventy-eight billion, nine hundred eleven million, twenty-nine thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8478911029464 × 10¹³

Factors of 18478911029464

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 608

Divisors of 18478911029464

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 163 326 443 652 886 1304 1772 3544 26569 53138 72209 106276 144418 196249 212552 288836 392498 577672 784996 1569992 11770067 23540134 31988587 47080268 63977174 86938307 94160536 127954348 173876614 255908696 347753228 695506456 5214139681 10428279362 14170944041 20856558724 28341888082 41713117448 56683776164 113367552328 2309863878683 4619727757366 9239455514732 18478911029464
• Sum of all divisors σ(n): 34940699325000
• Sum of proper divisors (its aliquot sum) s(n): 16461788295536
• 18478911029464 is a deficient number, because the sum of its proper divisors (16461788295536) is less than itself. Its deficiency is 2017122733928

Bases of 18478911029464

• Binary: 100001100111001110100111011011000000011011000₂
• Hexadecimal: 0x10CE74ED80D8
• Base-36: 6JT3EIK7S

Squares and roots of 18478911029464

• 18478911029464 squared (18478911029464²) is 341470152834846268276127296
• 18478911029464 cubed (18478911029464³) is 6309996573452598473282590175942470649344
• The square root of 18478911029464 is 4298710.3914388091
• The cube root of 18478911029464 is 26437.8088452329

Scales and comparisons

• 18,478,911,029,464 seconds is equal to 587,572 years, 11 weeks, 1 hour, 31 minutes, 4 seconds.
• To count from 1 to 18,478,911,029,464 would take you about one million, four hundred sixty-eight thousand, nine hundred thirty 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 18478911029464 cubic inches would be around 2203.2 feet tall.

Recreational maths with 18478911029464

• 18478911029464 backwards is 46492011987481
• The number of decimal digits it has is: 14
• The sum of 18478911029464's digits is 64
• More coming soon!