12815493645700818

Names of 12815493645700818

• Cardinal: 12815493645700818 can be written as Twelve quadrillion, eight hundred fifteen trillion, four hundred ninety-three billion, six hundred forty-five million, seven hundred thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 1.2815493645700818 × 10¹⁶

Factors of 12815493645700818

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8894272

Divisors of 12815493645700818

• Number of divisors d(n): 30
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 8894267 17788534 26682801 53365602 80048403 160096806 240145209 480290418 720435627 1440871254 79107985467289 158215970934578 237323956401867 474647912803734 711971869205601 1423943738411202 2135915607616803 4271831215233606 6407746822850409 12815493645700818
• Sum of all divisors σ(n): 28716201953245191
• Sum of proper divisors (its aliquot sum) s(n): 15900708307544373
• 12815493645700818 is an abundant number, because the sum of its proper divisors (15900708307544373) is greater than itself. Its abundance is 3085214661843555

Bases of 12815493645700818

• Binary: 101101100001111001111110100010010111111000111011010010₂
• Hexadecimal: 0x2D879FA25F8ED2
• Base-36: 3I6POI6ER4I

Squares and roots of 12815493645700818

• 12815493645700818 squared (12815493645700818²) is 164236877382998043276094365869124
• 12815493645700818 cubed (12815493645700818³) is 2104776658491555814586020248908729425016647743432
• The square root of 12815493645700818 is 113205537.1689071489
• The cube root of 12815493645700818 is 234015.7636986753

Scales and comparisons

• 12,815,493,645,700,818 seconds is equal to 407,493,057 years, 3 days, 4 hours, 18 seconds.
• To count from 1 to 12,815,493,645,700,818 would take you about one billion, two hundred twenty-two million, four hundred seventy-nine thousand, one hundred seventy-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 12815493645700818 cubic inches would be around 19501.3 feet tall.

Recreational maths with 12815493645700818

• 12815493645700818 backwards is 81800754639451821
• The number of decimal digits it has is: 17
• The sum of 12815493645700818's digits is 72
• More coming soon!