1490191609

Names of 1490191609

• Cardinal: 1490191609 can be written as One billion, four hundred ninety million, one hundred ninety-one thousand, six hundred nine.

Scientific notation

• Scientific notation: 1.490191609 × 10⁹

Factors of 1490191609

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 38603

Divisors of 1490191609

• Number of divisors d(n): 3
• Complete list of divisors:
  1 38603 1490191609
• Sum of all divisors σ(n): 1490230213
• Sum of proper divisors (its aliquot sum) s(n): 38604
• 1490191609 is a deficient number, because the sum of its proper divisors (38604) is less than itself. Its deficiency is 1490153005

Bases of 1490191609

• Binary: 1011000110100101000010011111001₂
• Hexadecimal: 0x58D284F9
• Base-36: ON7Z7D

Squares and roots of 1490191609

• 1490191609 squared (1490191609²) is 2220671031534008881
• 1490191609 cubed (1490191609³) is 3309225337541354432597679529
• 1490191609 is a perfect square number. Its square root is 38603
• The cube root of 1490191609 is 1142.2137166053

Scales and comparisons

• 1,490,191,609 seconds is equal to 47 years, 19 weeks, 6 days, 14 hours, 6 minutes, 49 seconds.
• To count from 1 to 1,490,191,609 would take you about ninety-four 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 1490191609 cubic inches would be around 95.2 feet tall.

Recreational maths with 1490191609

• 1490191609 backwards is 9061910941
• The number of decimal digits it has is: 10
• The sum of 1490191609's digits is 40
• More coming soon!