9990901

Names of 9990901

• Cardinal: 9990901 can be written as Nine million, nine hundred ninety thousand, nine hundred one.

Scientific notation

• Scientific notation: 9.990901 × 10⁶

Factors of 9990901

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 434410

Divisors of 9990901

• Number of divisors d(n): 4
• Complete list of divisors:
  1 23 434387 9990901
• Sum of all divisors σ(n): 10425312
• Sum of proper divisors (its aliquot sum) s(n): 434411
• 9990901 is a deficient number, because the sum of its proper divisors (434411) is less than itself. Its deficiency is 9556490

Bases of 9990901

• Binary: 100110000111001011110101₂
• Hexadecimal: 0x9872F5
• Base-36: 5Y511

Squares and roots of 9990901

• 9990901 squared (9990901²) is 99818102791801
• 9990901 cubed (9990901³) is 997272783000707402701
• The square root of 9990901 is 3160.8386545345
• The cube root of 9990901 is 215.3781051701

Scales and comparisons

• 9,990,901 seconds is equal to 16 weeks, 3 days, 15 hours, 15 minutes, 1 second.
• To count from 1 to 9,990,901 would take you about twenty-four weeks!

  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 9990901 cubic inches would be around 17.9 feet tall.

Recreational maths with 9990901

• 9990901 backwards is 1090999
• The number of decimal digits it has is: 7
• The sum of 9990901's digits is 37
• More coming soon!