810364990

Names of 810364990

• Cardinal: 810364990 can be written as Eight hundred ten million, three hundred sixty-four thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 8.1036499 × 10⁸

Factors of 810364990

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 81036506

Divisors of 810364990

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 81036499 162072998 405182495 810364990
• Sum of all divisors σ(n): 1458657000
• Sum of proper divisors (its aliquot sum) s(n): 648292010
• 810364990 is a deficient number, because the sum of its proper divisors (648292010) is less than itself. Its deficiency is 162072980

Bases of 810364990

• Binary: 110000010011010011000000111110₂
• Hexadecimal: 0x304D303E
• Base-36: DEGXMM

Squares and roots of 810364990

• 810364990 squared (810364990²) is 656691417017700100
• 810364990 cubed (810364990³) is 532159733584634371359499000
• The square root of 810364990 is 28466.9104400179
• The cube root of 810364990 is 932.3097441923

Scales and comparisons

• 810,364,990 seconds is equal to 25 years, 39 weeks, 6 days, 5 hours, 23 minutes, 10 seconds.
• To count from 1 to 810,364,990 would take you about thirty-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 810364990 cubic inches would be around 77.7 feet tall.

Recreational maths with 810364990

• 810364990 backwards is 099463018
• The number of decimal digits it has is: 9
• The sum of 810364990's digits is 40
• More coming soon!