402385

Names of 402385

• Cardinal: 402385 can be written as Four hundred two thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 4.02385 × 10⁵

Factors of 402385

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3527

Divisors of 402385

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 23 115 3499 17495 80477 402385
• Sum of all divisors σ(n): 504000
• Sum of proper divisors (its aliquot sum) s(n): 101615
• 402385 is a deficient number, because the sum of its proper divisors (101615) is less than itself. Its deficiency is 300770

Bases of 402385

• Binary: 1100010001111010001₂
• Hexadecimal: 0x623D1
• Base-36: 8MHD

Squares and roots of 402385

• 402385 squared (402385²) is 161913688225
• 402385 cubed (402385³) is 65151639436416625
• The square root of 402385 is 634.3382378511
• The cube root of 402385 is 73.8267801351

Scales and comparisons

• 402,385 seconds is equal to 4 days, 15 hours, 46 minutes, 25 seconds.
• To count from 1 to 402,385 would take you about four 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 402385 cubic inches would be around 6.2 feet tall.

Recreational maths with 402385

• 402385 backwards is 583204
• The number of decimal digits it has is: 6
• The sum of 402385's digits is 22
• More coming soon!