18353990614873125

Names of 18353990614873125

• Cardinal: 18353990614873125 can be written as Eighteen quadrillion, three hundred fifty-three trillion, nine hundred ninety billion, six hundred fourteen million, eight hundred seventy-three thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.8353990614873125 × 10¹⁶

Factors of 18353990614873125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 115259488

Divisors of 18353990614873125

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 5 15 25 75 125 375 625 1875 84991 254973 424955 1274865 2124775 6374325 10623875 31871625 53119375 115174489 159358125 345523467 575872445 1727617335 2879362225 8638086675 14396811125 43190433375 71984055625 215952166875 9788794994599 29366384983797 48943974972995 146831924918985 244719874864975 734159624594925 1223599374324875 3670798122974625 6117996871624375 18353990614873125
• Sum of all divisors σ(n): 30580555633745920
• Sum of proper divisors (its aliquot sum) s(n): 12226565018872795
• 18353990614873125 is a deficient number, because the sum of its proper divisors (12226565018872795) is less than itself. Its deficiency is 6127425596000330

Bases of 18353990614873125

• Binary: 1000001001101001101101101110010110011110111010000100101₂
• Hexadecimal: 0x4134DB72CF7425
• Base-36: 50PY2VY3MSL

Squares and roots of 18353990614873125

• 18353990614873125 squared (18353990614873125²) is 336868971490850753106459847265625
• 18353990614873125 cubed (18353990614873125³) is 6182889941185037030123744443287232568987548828125
• The square root of 18353990614873125 is 135476900.6689816661
• The cube root of 18353990614873125 is 263780.9947890729

Scales and comparisons

• 18,353,990,614,873,125 seconds is equal to 583,600,128 years, 48 weeks, 3 days, 9 hours, 38 minutes, 45 seconds.
• To count from 1 to 18,353,990,614,873,125 would take you about one billion, seven hundred fifty million, eight hundred thousand, three hundred eighty-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 18353990614873125 cubic inches would be around 21981.7 feet tall.

Recreational maths with 18353990614873125

• 18353990614873125 backwards is 52137841609935381
• 18353990614873125 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18353990614873125's digits is 75
• More coming soon!