1238208720348845

Names of 1238208720348845

• Cardinal: 1238208720348845 can be written as One quadrillion, two hundred thirty-eight trillion, two hundred eight billion, seven hundred twenty million, three hundred forty-eight thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 1.238208720348845 × 10¹⁵

Factors of 1238208720348845

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 143

Divisors of 1238208720348845

• Number of divisors d(n): 42
• Complete list of divisors:
  1 5 7 35 49 131 245 655 917 4585 6419 17161 32095 85805 120127 600635 840889 2248091 4204445 11240455 15736637 78683185 110156459 294499921 550782295 1472499605 2061499447 10307497235 14430496129 38579489651 72152480645 192897448255 270056427557 1350282137785 1890394992899 5053913144281 9451974964495 25269565721405 35377392009967 176886960049835 247641744069769 1238208720348845
• Sum of all divisors σ(n): 1741733974539054
• Sum of proper divisors (its aliquot sum) s(n): 503525254190209
• 1238208720348845 is a deficient number, because the sum of its proper divisors (503525254190209) is less than itself. Its deficiency is 734683466158636

Bases of 1238208720348845

• Binary: 100011001100010010011101110111011110010011010101101₂
• Hexadecimal: 0x46624EEEF26AD
• Base-36: C6WP8EHS4T

Squares and roots of 1238208720348845

• 1238208720348845 squared (1238208720348845²) is 1533160835147924241978492834025
• 1238208720348845 cubed (1238208720348845³) is 1898373115777477777854337511740255030685451125
• The square root of 1238208720348845 is 35188190.0692383581
• The cube root of 1238208720348845 is 107381.9499605453
• Being both a perfect square and a perfect cube, 1238208720348845 is also a perfect sixth number.

Scales and comparisons

• 1,238,208,720,348,845 seconds is equal to 39,371,207 years, 14 weeks, 2 days, 11 hours, 34 minutes, 5 seconds.
• To count from 1 to 1,238,208,720,348,845 would take you about one hundred eighteen million, one hundred thirteen thousand, six hundred twenty-one 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 1238208720348845 cubic inches would be around 8948.5 feet tall.

Recreational maths with 1238208720348845

• 1238208720348845 backwards is 5488430278028321
• The number of decimal digits it has is: 16
• The sum of 1238208720348845's digits is 65
• More coming soon!