17991742168889999

Names of 17991742168889999

• Cardinal: 17991742168889999 can be written as Seventeen quadrillion, nine hundred ninety-one trillion, seven hundred forty-two billion, one hundred sixty-eight million, eight hundred eighty-nine thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.7991742168889999 × 10¹⁶

Factors of 17991742168889999

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 152291

Divisors of 17991742168889999

• Number of divisors d(n): 32
• Complete list of divisors:
  1 53 173 983 9169 14629 52099 136453 170059 775337 2530817 7232009 9013127 14380307 23606369 134133299 134133301 762156271 1251137557 1996170937 2487793111 7109064847 23205060727 105797059661 131853034883 345337572101 1229868218531 1962236031071 18302891321353 103998509646763 339466833375283 17991742168889999
• Sum of all divisors σ(n): 18457322632721280
• Sum of proper divisors (its aliquot sum) s(n): 465580463831281
• 17991742168889999 is a deficient number, because the sum of its proper divisors (465580463831281) is less than itself. Its deficiency is 17526161705058718

Bases of 17991742168889999

• Binary: 111111111010110110010011101000110111011111101010001111₂
• Hexadecimal: 0x3FEB64E8DDFA8F
• Base-36: 4X5JG8YC8ZZ

Squares and roots of 17991742168889999

• 17991742168889999 squared (17991742168889999²) is 323702786271814605300347762220001
• 17991742168889999 cubed (17991742168889999³) is 5823977069953793500139671865500733492730206669999
• The square root of 17991742168889999 is 134133299.9999999963
• The cube root of 17991742168889999 is 262034.0561798521

Scales and comparisons

• 17,991,742,168,889,999 seconds is equal to 572,081,748 years, 44 weeks, 4 days, 8 hours, 59 minutes, 59 seconds.
• To count from 1 to 17,991,742,168,889,999 would take you about one billion, seven hundred sixteen million, two hundred forty-five thousand, two hundred forty-six 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 17991742168889999 cubic inches would be around 21836.2 feet tall.

Recreational maths with 17991742168889999

• 17991742168889999 backwards is 99998886124719971
• The number of decimal digits it has is: 17
• The sum of 17991742168889999's digits is 107
• More coming soon!