18108426792968

Names of 18108426792968

• Cardinal: 18108426792968 can be written as Eighteen trillion, one hundred eight billion, four hundred twenty-six million, seven hundred ninety-two thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8108426792968 × 10¹³

Factors of 18108426792968

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 28442

Divisors of 18108426792968

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 8 53 106 212 424 2809 5618 11236 22472 28387 56774 113548 227096 1504511 3009022 6018044 12036088 79739083 159478166 318956332 637912664 805821769 1611643538 3223287076 6446574152 42708553757 85417107514 170834215028 341668430056 2263553349121 4527106698242 9054213396484 18108426792968
• Sum of all divisors σ(n): 34607234992365
• Sum of proper divisors (its aliquot sum) s(n): 16498808199397
• 18108426792968 is a deficient number, because the sum of its proper divisors (16498808199397) is less than itself. Its deficiency is 1609618593571

Bases of 18108426792968

• Binary: 100000111100000110010010110001011000000001000₂
• Hexadecimal: 0x10783258B008
• Base-36: 6F2W9RLS8

Squares and roots of 18108426792968

• 18108426792968 squared (18108426792968²) is 327915120916281325534249024
• 18108426792968 cubed (18108426792968³) is 5938026961419730181360629062918604063232
• The square root of 18108426792968 is 4255399.7218790153
• The cube root of 18108426792968 is 26259.9305945507

Scales and comparisons

• 18,108,426,792,968 seconds is equal to 575,791 years, 49 weeks, 6 days, 1 hour, 36 minutes, 8 seconds.
• To count from 1 to 18,108,426,792,968 would take you about one million, four hundred thirty-nine thousand, four hundred seventy-nine 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 18108426792968 cubic inches would be around 2188.3 feet tall.

Recreational maths with 18108426792968

• 18108426792968 backwards is 86929762480181
• The number of decimal digits it has is: 14
• The sum of 18108426792968's digits is 71
• More coming soon!