90020

Names of 90020

• Cardinal: 90020 can be written as Ninety thousand and twenty.

Scientific notation

• Scientific notation: 9.002 × 10⁴

Factors of 90020

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 657

Divisors of 90020

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 140 643 1286 2572 3215 4501 6430 9002 12860 18004 22505 45010 90020
• Sum of all divisors σ(n): 216384
• Sum of proper divisors (its aliquot sum) s(n): 126364
• 90020 is an abundant number, because the sum of its proper divisors (126364) is greater than itself. Its abundance is 36344

Bases of 90020

• Binary: 10101111110100100₂
• Hexadecimal: 0x15FA4
• Base-36: 1XGK

Squares and roots of 90020

• 90020 squared (90020²) is 8103600400
• 90020 cubed (90020³) is 729486108008000
• The square root of 90020 is 300.0333314817
• The cube root of 90020 is 44.8173667789

Scales and comparisons

• 90,020 seconds is equal to 1 day, 1 hour, 20 seconds.
• To count from 1 to 90,020 would take you about twenty seconds.

  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 90020 cubic inches would be around 3.7 feet tall.

Recreational maths with 90020

• 90020 backwards is 02009
• The number of decimal digits it has is: 5
• The sum of 90020's digits is 11
• More coming soon!