987421

Names of 987421

• Cardinal: 987421 can be written as Nine hundred eighty-seven thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 9.87421 × 10⁵

Factors of 987421

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 539

Divisors of 987421

• Number of divisors d(n): 8
• Complete list of divisors:
  1 29 79 431 2291 12499 34049 987421
• Sum of all divisors σ(n): 1036800
• Sum of proper divisors (its aliquot sum) s(n): 49379
• 987421 is a deficient number, because the sum of its proper divisors (49379) is less than itself. Its deficiency is 938042

Bases of 987421

• Binary: 11110001000100011101₂
• Hexadecimal: 0xF111D
• Base-36: L5WD

Squares and roots of 987421

• 987421 squared (987421²) is 975000231241
• 987421 cubed (987421³) is 962735703332219461
• The square root of 987421 is 993.6905957089
• The cube root of 987421 is 99.5789294847

Scales and comparisons

• 987,421 seconds is equal to 1 week, 4 days, 10 hours, 17 minutes, 1 second.
• To count from 1 to 987,421 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 987421 cubic inches would be around 8.3 feet tall.

Recreational maths with 987421

• 987421 backwards is 124789
• The number of decimal digits it has is: 6
• The sum of 987421's digits is 31
• More coming soon!