40870

Names of 40870

• Cardinal: 40870 can be written as Forty thousand, eight hundred seventy.

Scientific notation

• Scientific notation: 4.087 × 10⁴

Factors of 40870

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 135

Divisors of 40870

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 10 61 67 122 134 305 335 610 670 4087 8174 20435 40870
• Sum of all divisors σ(n): 75888
• Sum of proper divisors (its aliquot sum) s(n): 35018
• 40870 is a deficient number, because the sum of its proper divisors (35018) is less than itself. Its deficiency is 5852

Bases of 40870

• Binary: 1001111110100110₂
• Hexadecimal: 0x9FA6
• Base-36: VJA

Squares and roots of 40870

• 40870 squared (40870²) is 1670356900
• 40870 cubed (40870³) is 68267486503000
• The square root of 40870 is 202.1633003293
• The cube root of 40870 is 34.4456892447

Scales and comparisons

• 40,870 seconds is equal to 11 hours, 21 minutes, 10 seconds.
• To count from 1 to 40,870 would take you about eleven hours.

  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 40870 cubic inches would be around 2.9 feet tall.

Recreational maths with 40870

• 40870 backwards is 07804
• The number of decimal digits it has is: 5
• The sum of 40870's digits is 19
• More coming soon!