27998743778015399

Names of 27998743778015399

• Cardinal: 27998743778015399 can be written as Twenty-seven quadrillion, nine hundred ninety-eight trillion, seven hundred forty-three billion, seven hundred seventy-eight million, fifteen thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 2.7998743778015399 × 10¹⁶

Factors of 27998743778015399

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 650664493729

Divisors of 27998743778015399

• Number of divisors d(n): 8
• Complete list of divisors:
  1 37 1163 43031 650664492529 24074586223573 756722804811227 27998743778015399
• Sum of all divisors σ(n): 28780191833586960
• Sum of proper divisors (its aliquot sum) s(n): 781448055571561
• 27998743778015399 is a deficient number, because the sum of its proper divisors (781448055571561) is less than itself. Its deficiency is 27217295722443838

Bases of 27998743778015399

• Binary: 1100011011110001011010110001001000010111011100010100111₂
• Hexadecimal: 0x6378B5890BB8A7
• Base-36: 7NOQ5BNAE1Z

Squares and roots of 27998743778015399

• 27998743778015399 squared (27998743778015399²) is 783929653146956018594875081129201
• 27998743778015399 cubed (27998743778015399³) is 21949045498450104678001720956183804194235686566199
• The square root of 27998743778015399 is 167328251.5835726977
• The cube root of 27998743778015399 is 303654.3558936687

Scales and comparisons

• 27,998,743,778,015,399 seconds is equal to 890,273,446 years, 17 weeks, 4 days, 18 hours, 29 minutes, 59 seconds.
• To count from 1 to 27,998,743,778,015,399 would take you about two billion, six hundred seventy million, eight hundred twenty thousand, three hundred thirty-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 27998743778015399 cubic inches would be around 25304.5 feet tall.

Recreational maths with 27998743778015399

• 27998743778015399 backwards is 99351087734789972
• The number of decimal digits it has is: 17
• The sum of 27998743778015399's digits is 98
• More coming soon!