18368936902479421440001

Names of 18368936902479421440001

• Cardinal: 18368936902479421440001 can be written as Eighteen sextillion, three hundred sixty-eight quintillion, nine hundred thirty-six quadrillion, nine hundred two trillion, four hundred seventy-nine billion, four hundred twenty-one million, four hundred forty thousand and one.

Scientific notation

• Scientific notation: 1.8368936902479421440001 × 10²²

Factors of 18368936902479421440001

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 18368936902479421440001

Divisors of 18368936902479421440001

• Number of divisors d(n): 2
• Complete list of divisors:
  1 18368936902479421440001
• Sum of all divisors σ(n): 18368936902479421440002
• Sum of proper divisors (its aliquot sum) s(n): 1
• 18368936902479421440001 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 18368936902479421440000

Bases of 18368936902479421440001

• Binary: 11111000111100100000110101011001100000000110011010000110010000000000000001₂
• Hexadecimal: 0x3E3C83566019A190001
• Base-36: 2ZOMKK160HS0001

Squares and roots of 18368936902479421440001

• 18368936902479421440001 squared (18368936902479421440001²) is 337417842927270281965918540550936632442880001
• 18368936902479421440001 cubed (18368936902479421440001³) is 6198007066501740132669929337544317286259223209741764086459064320001
• The square root of 18368936902479421440001 is 135532051200.0000000011
• The cube root of 18368936902479421440001 is 26385257.7349252771

Scales and comparisons

• 18,368,936,902,479,421,440,001 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,368,936,902,479,421,440,001 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 18368936902479421440001 cubic inches would be around 2198771.5 feet tall.

Recreational maths with 18368936902479421440001

• 18368936902479421440001 backwards is 10004412497420963986381
• The number of decimal digits it has is: 23
• The sum of 18368936902479421440001's digits is 91
• More coming soon!