13947326661078891

Names of 13947326661078891

• Cardinal: 13947326661078891 can be written as Thirteen quadrillion, nine hundred forty-seven trillion, three hundred twenty-six billion, six hundred sixty-one million, seventy-eight thousand, eight hundred ninety-one.

Scientific notation

• Scientific notation: 1.3947326661078891 × 10¹⁶

Factors of 13947326661078891

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1579717596791

Divisors of 13947326661078891

• Number of divisors d(n): 20
• Complete list of divisors:
  1 3 9 27 81 109 327 981 2943 8829 1579717596679 4739152790037 14217458370111 42652375110333 127957125330999 172189218038011 516567654114033 1549702962342099 4649108887026297 13947326661078891
• Sum of all divisors σ(n): 21026041211810800
• Sum of proper divisors (its aliquot sum) s(n): 7078714550731909
• 13947326661078891 is a deficient number, because the sum of its proper divisors (7078714550731909) is less than itself. Its deficiency is 6868612110346982

Bases of 13947326661078891

• Binary: 110001100011010000010100001011001100110010111101101011₂
• Hexadecimal: 0x318D050B332F6B
• Base-36: 3TBWXEWPBOR

Squares and roots of 13947326661078891

• 13947326661078891 squared (13947326661078891²) is 194527920990842046016232125789881
• 13947326661078891 cubed (13947326661078891³) is 2713144458759819307456871686646179523953030501971
• The square root of 13947326661078891 is 118098800.4218454837
• The cube root of 13947326661078891 is 240711.5840706391

Scales and comparisons

• 13,947,326,661,078,891 seconds is equal to 443,481,845 years, 47 weeks, 1 day, 15 hours, 14 minutes, 51 seconds.
• To count from 1 to 13,947,326,661,078,891 would take you about one billion, three hundred thirty million, four hundred forty-five thousand, five hundred thirty-seven 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 13947326661078891 cubic inches would be around 20059.3 feet tall.

Recreational maths with 13947326661078891

• 13947326661078891 backwards is 19887016662374931
• 13947326661078891 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 13947326661078891's digits is 81
• More coming soon!