12918632788518913

Names of 12918632788518913

• Cardinal: 12918632788518913 can be written as Twelve quadrillion, nine hundred eighteen trillion, six hundred thirty-two billion, seven hundred eighty-eight million, five hundred eighteen thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.2918632788518913 × 10¹⁶

Factors of 12918632788518913

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 73590213

Divisors of 12918632788518913

• Number of divisors d(n): 32
• Complete list of divisors:
  1 31 53 59 1643 1811 1829 3127 56141 95983 96937 106849 2975473 3312319 5662997 73588259 175552907 2281236029 3900177727 4341707281 120905509537 133268337049 134592925711 230110485893 4131318448519 7063221863597 7133425062683 7862831885891 218959877771507 243747788462621 416730089952223 12918632788518913
• Sum of all divisors σ(n): 13824891003801600
• Sum of proper divisors (its aliquot sum) s(n): 906258215282687
• 12918632788518913 is a deficient number, because the sum of its proper divisors (906258215282687) is less than itself. Its deficiency is 12012374573236226

Bases of 12918632788518913

• Binary: 101101111001010110110110010110010101111110100000000001₂
• Hexadecimal: 0x2DE56D9657E801
• Base-36: 3J79TZ12IO1

Squares and roots of 12918632788518913

• 12918632788518913 squared (12918632788518913²) is 166891073124595945936108158701569
• 12918632788518913 cubed (12918632788518913³) is 2156004489378512743850385668209940483400679274497
• The square root of 12918632788518913 is 113660163.5953376279
• The cube root of 12918632788518913 is 234641.8736383531

Scales and comparisons

• 12,918,632,788,518,913 seconds is equal to 410,772,562 years, 37 weeks, 3 days, 1 hour, 55 minutes, 13 seconds.
• To count from 1 to 12,918,632,788,518,913 would take you about one billion, two hundred thirty-two million, three hundred seventeen thousand, six hundred eighty-eight 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 12918632788518913 cubic inches would be around 19553.5 feet tall.

Recreational maths with 12918632788518913

• 12918632788518913 backwards is 31981588723681921
• The number of decimal digits it has is: 17
• The sum of 12918632788518913's digits is 82
• More coming soon!