1338881075385985

Names of 1338881075385985

• Cardinal: 1338881075385985 can be written as One quadrillion, three hundred thirty-eight trillion, eight hundred eighty-one billion, seventy-five million, three hundred eighty-five thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.338881075385985 × 10¹⁵

Factors of 1338881075385985

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 85265568

Divisors of 1338881075385985

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 19 95 165611 828055 3146609 15733045 85099933 425499665 1616898727 8084493635 14093485004063 70467425020315 267776215077197 1338881075385985
• Sum of all divisors σ(n): 1691228432352960
• Sum of proper divisors (its aliquot sum) s(n): 352347356966975
• 1338881075385985 is a deficient number, because the sum of its proper divisors (352347356966975) is less than itself. Its deficiency is 986533718419010

Bases of 1338881075385985

• Binary: 100110000011011010010001010111001010001011010000001₂
• Hexadecimal: 0x4C1B48AE51681
• Base-36: D6LDH3EE81

Squares and roots of 1338881075385985

• 1338881075385985 squared (1338881075385985²) is 1792602534026731648616734420225
• 1338881075385985 cubed (1338881075385985³) is 2400081608497352237532803658931679977065546625
• The square root of 1338881075385985 is 36590723.8980863153
• The cube root of 1338881075385985 is 110216.6824048255

Scales and comparisons

• 1,338,881,075,385,985 seconds is equal to 42,572,276 years, 39 weeks, 5 days, 21 hours, 26 minutes, 25 seconds.
• To count from 1 to 1,338,881,075,385,985 would take you about one hundred twenty-seven million, seven hundred sixteen thousand, eight hundred thirty 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 1338881075385985 cubic inches would be around 9184.7 feet tall.

Recreational maths with 1338881075385985

• 1338881075385985 backwards is 5895835701888331
• The number of decimal digits it has is: 16
• The sum of 1338881075385985's digits is 82
• More coming soon!