818231242

Names of 818231242

• Cardinal: 818231242 can be written as Eight hundred eighteen million, two hundred thirty-one thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 8.18231242 × 10⁸

Factors of 818231242

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3174

Divisors of 818231242

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 383 766 2789 5578 146689 293378 1068187 2136374 409115621 818231242
• Sum of all divisors σ(n): 1231001010
• Sum of proper divisors (its aliquot sum) s(n): 412769768
• 818231242 is a deficient number, because the sum of its proper divisors (412769768) is less than itself. Its deficiency is 405461474

Bases of 818231242

• Binary: 110000110001010011011111001010₂
• Hexadecimal: 0x30C537CA
• Base-36: DJ5J9M

Squares and roots of 818231242

• 818231242 squared (818231242²) is 669502365384862564
• 818231242 cubed (818231242³) is 547807751950793903741024488
• The square root of 818231242 is 28604.7415999515
• The cube root of 818231242 is 935.3166940777

Scales and comparisons

• 818,231,242 seconds is equal to 26 years, 6 days, 6 hours, 27 minutes, 22 seconds.
• To count from 1 to 818,231,242 would take you about thirty-nine 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 818231242 cubic inches would be around 77.9 feet tall.

Recreational maths with 818231242

• 818231242 backwards is 242132818
• The number of decimal digits it has is: 9
• The sum of 818231242's digits is 31
• More coming soon!