90989213

Names of 90989213

• Cardinal: 90989213 can be written as Ninety million, nine hundred eighty-nine thousand, two hundred thirteen.

Scientific notation

• Scientific notation: 9.0989213 × 10⁷

Factors of 90989213

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 12998466

Divisors of 90989213

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 12998459 90989213
• Sum of all divisors σ(n): 103987680
• Sum of proper divisors (its aliquot sum) s(n): 12998467
• 90989213 is a deficient number, because the sum of its proper divisors (12998467) is less than itself. Its deficiency is 77990746

Bases of 90989213

• Binary: 101011011000110001010011101₂
• Hexadecimal: 0x56C629D
• Base-36: 1I67Q5

Squares and roots of 90989213

• 90989213 squared (90989213²) is 8279036882359369
• 90989213 cubed (90989213³) is 753303050323852568486597
• The square root of 90989213 is 9538.8266049865
• The cube root of 90989213 is 449.7763711899

Scales and comparisons

• 90,989,213 seconds is equal to 2 years, 46 weeks, 3 days, 2 hours, 46 minutes, 53 seconds.
• To count from 1 to 90,989,213 would take you about four 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 90989213 cubic inches would be around 37.5 feet tall.

Recreational maths with 90989213

• 90989213 backwards is 31298909
• The number of decimal digits it has is: 8
• The sum of 90989213's digits is 41
• More coming soon!