997637906947978

Names of 997637906947978

• Cardinal: 997637906947978 can be written as Nine hundred ninety-seven trillion, six hundred thirty-seven billion, nine hundred six million, nine hundred forty-seven thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 9.97637906947978 × 10¹⁴

Factors of 997637906947978

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 498818953473991

Divisors of 997637906947978

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 498818953473989 997637906947978
• Sum of all divisors σ(n): 1496456860421970
• Sum of proper divisors (its aliquot sum) s(n): 498818953473992
• 997637906947978 is a deficient number, because the sum of its proper divisors (498818953473992) is less than itself. Its deficiency is 498818953473986

Bases of 997637906947978

• Binary: 11100010110101100010101101000011101101111110001010₂
• Hexadecimal: 0x38B58AD0EDF8A
• Base-36: 9TMSIZJS0A

Squares and roots of 997637906947978

• 997637906947978 squared (997637906947978²) is 995281393379542410606798288484
• 997637906947978 cubed (997637906947978³) is 992930446115433818489110289209773102424485352
• The square root of 997637906947978 is 31585406.5503038603
• The cube root of 997637906947978 is 99921.2014891887

Scales and comparisons

• 997,637,906,947,978 seconds is equal to 31,721,799 years, 28 weeks, 2 days, 2 hours, 52 minutes, 58 seconds.
• To count from 1 to 997,637,906,947,978 would take you about seventy-nine million, three hundred four thousand, four hundred ninety-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 997637906947978 cubic inches would be around 8326.8 feet tall.

Recreational maths with 997637906947978

• 997637906947978 backwards is 879749609736799
• The number of decimal digits it has is: 15
• The sum of 997637906947978's digits is 100
• More coming soon!