1990141321

Names of 1990141321

• Cardinal: 1990141321 can be written as One billion, nine hundred ninety million, one hundred forty-one thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.990141321 × 10⁹

Factors of 1990141321

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 6380

Divisors of 1990141321

• Number of divisors d(n): 9
• Complete list of divisors:
  1 7 49 6373 44611 312277 40615129 284305903 1990141321
• Sum of all divisors σ(n): 2315425671
• Sum of proper divisors (its aliquot sum) s(n): 325284350
• 1990141321 is a deficient number, because the sum of its proper divisors (325284350) is less than itself. Its deficiency is 1664856971

Bases of 1990141321

• Binary: 1110110100111110010010110001001₂
• Hexadecimal: 0x769F2589
• Base-36: WWVMVD

Squares and roots of 1990141321

• 1990141321 squared (1990141321²) is 3960662477551625041
• 1990141321 cubed (1990141321³) is 7882278055109723904792419161
• 1990141321 is a perfect square number. Its square root is 44611
• The cube root of 1990141321 is 1257.8474461217

Scales and comparisons

• 1,990,141,321 seconds is equal to 63 years, 14 weeks, 4 days, 1 hour, 2 minutes, 1 second.
• To count from 1 to 1,990,141,321 would take you about one hundred twenty-six 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 1990141321 cubic inches would be around 104.8 feet tall.

Recreational maths with 1990141321

• 1990141321 backwards is 1231410991
• The number of decimal digits it has is: 10
• The sum of 1990141321's digits is 31
• More coming soon!