1990570242

Names of 1990570242

• Cardinal: 1990570242 can be written as One billion, nine hundred ninety million, five hundred seventy thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 1.990570242 × 10⁹

Factors of 1990570242

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3997217

Divisors of 1990570242

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 83 166 249 498 3997129 7994258 11991387 23982774 331761707 663523414 995285121 1990570242
• Sum of all divisors σ(n): 4029107040
• Sum of proper divisors (its aliquot sum) s(n): 2038536798
• 1990570242 is an abundant number, because the sum of its proper divisors (2038536798) is greater than itself. Its abundance is 47966556

Bases of 1990570242

• Binary: 1110110101001011011000100000010₂
• Hexadecimal: 0x76A5B102
• Base-36: WX4TTU

Squares and roots of 1990570242

• 1990570242 squared (1990570242²) is 3962369888335938564
• 1990570242 cubed (1990570242³) is 7887375587518382204638612488
• The square root of 1990570242 is 44615.8070867267
• The cube root of 1990570242 is 1257.9378046009

Scales and comparisons

• 1,990,570,242 seconds is equal to 63 years, 15 weeks, 2 days, 10 minutes, 42 seconds.
• To count from 1 to 1,990,570,242 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 1990570242 cubic inches would be around 104.8 feet tall.

Recreational maths with 1990570242

• 1990570242 backwards is 2420750991
• The number of decimal digits it has is: 10
• The sum of 1990570242's digits is 39
• More coming soon!