15378438969540

Names of 15378438969540

• Cardinal: 15378438969540 can be written as Fifteen trillion, three hundred seventy-eight billion, four hundred thirty-eight million, nine hundred sixty-nine thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.537843896954 × 10¹³

Factors of 15378438969540

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 85435772063

Divisors of 15378438969540

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 85435772053 170871544106 256307316159 341743088212 427178860265 512614632318 768921948477 854357720530 1025229264636 1281536580795 1537843896954 1708715441060 2563073161590 3075687793908 3844609742385 5126146323180 7689219484770 15378438969540
• Sum of all divisors σ(n): 46647931541484
• Sum of proper divisors (its aliquot sum) s(n): 31269492571944
• 15378438969540 is an abundant number, because the sum of its proper divisors (31269492571944) is greater than itself. Its abundance is 15891053602404

Bases of 15378438969540

• Binary: 11011111110010010010011001000101100011000100₂
• Hexadecimal: 0xDFC926458C4
• Base-36: 5G8R9I3T0

Squares and roots of 15378438969540

• 15378438969540 squared (15378438969540²) is 236496385139866497047811600
• 15378438969540 cubed (15378438969540³) is 3636945225390263501633117274016058664000
• The square root of 15378438969540 is 3921535.2822000723
• The cube root of 15378438969540 is 24867.8029737553

Scales and comparisons

• 15,378,438,969,540 seconds is equal to 488,986 years, 41 weeks, 18 hours, 39 minutes.
• To count from 1 to 15,378,438,969,540 would take you about one million, two hundred twenty-two thousand, four hundred sixty-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 15378438969540 cubic inches would be around 2072.3 feet tall.

Recreational maths with 15378438969540

• 15378438969540 backwards is 04596983487351
• The number of decimal digits it has is: 14
• The sum of 15378438969540's digits is 72
• More coming soon!