15138863483979731

Names of 15138863483979731

• Cardinal: 15138863483979731 can be written as Fifteen quadrillion, one hundred thirty-eight trillion, eight hundred sixty-three billion, four hundred eighty-three million, nine hundred seventy-nine thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 1.5138863483979731 × 10¹⁶

Factors of 15138863483979731

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 987879732

Divisors of 15138863483979731

• Number of divisors d(n): 4
• Complete list of divisors:
  1 15570001 972309731 15138863483979731
• Sum of all divisors σ(n): 15138864471859464
• Sum of proper divisors (its aliquot sum) s(n): 987879733
• 15138863483979731 is a deficient number, because the sum of its proper divisors (987879733) is less than itself. Its deficiency is 15138862496099998

Bases of 15138863483979731

• Binary: 110101110010001011011101010100010001000000011111010011₂
• Hexadecimal: 0x35C8B7544407D3
• Base-36: 452A1VGHMFN

Squares and roots of 15138863483979731

• 15138863483979731 squared (15138863483979731²) is 229185187586574919008086018832361
• 15138863483979731 cubed (15138863483979731³) is 3469603267423443775434578644198791364890010874891
• The square root of 15138863483979731 is 123040088.9303146227
• The cube root of 15138863483979731 is 247379.9083215637

Scales and comparisons

• 15,138,863,483,979,731 seconds is equal to 481,369,031 years, 10 weeks, 6 days, 21 hours, 2 minutes, 11 seconds.
• To count from 1 to 15,138,863,483,979,731 would take you about one billion, four hundred forty-four million, one hundred seven thousand and ninety-three 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 15138863483979731 cubic inches would be around 20615 feet tall.

Recreational maths with 15138863483979731

• 15138863483979731 backwards is 13797938436883151
• The number of decimal digits it has is: 17
• The sum of 15138863483979731's digits is 86
• More coming soon!