490638

Names of 490638

• Cardinal: 490638 can be written as Four hundred ninety thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 4.90638 × 10⁵

Factors of 490638

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 81778

Divisors of 490638

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 81773 163546 245319 490638
• Sum of all divisors σ(n): 981288
• Sum of proper divisors (its aliquot sum) s(n): 490650
• 490638 is an abundant number, because the sum of its proper divisors (490650) is greater than itself. Its abundance is 12

Bases of 490638

• Binary: 1110111110010001110₂
• Hexadecimal: 0x77C8E
• Base-36: AIKU

Squares and roots of 490638

• 490638 squared (490638²) is 240725647044
• 490638 cubed (490638³) is 118109150014374072
• The square root of 490638 is 700.4555660427
• The cube root of 490638 is 78.8715532745

Scales and comparisons

• 490,638 seconds is equal to 5 days, 16 hours, 17 minutes, 18 seconds.
• To count from 1 to 490,638 would take you about five days.

  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 490638 cubic inches would be around 6.6 feet tall.

Recreational maths with 490638

• 490638 backwards is 836094
• The number of decimal digits it has is: 6
• The sum of 490638's digits is 30
• More coming soon!