3491220991

Names of 3491220991

• Cardinal: 3491220991 can be written as Three billion, four hundred ninety-one million, two hundred twenty thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 3.491220991 × 10⁹

Factors of 3491220991

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2488481

Divisors of 3491220991

• Number of divisors d(n): 8
• Complete list of divisors:
  1 23 61 1403 2488397 57233131 151792217 3491220991
• Sum of all divisors σ(n): 3702736224
• Sum of proper divisors (its aliquot sum) s(n): 211515233
• 3491220991 is a deficient number, because the sum of its proper divisors (211515233) is less than itself. Its deficiency is 3279705758

Bases of 3491220991

• Binary: 11010000000101111100110111111111₂
• Hexadecimal: 0xD017CDFF
• Base-36: 1LQKZCV

Squares and roots of 3491220991

• 3491220991 squared (3491220991²) is 12188624007999022081
• 3491220991 cubed (3491220991³) is 42553179988132737796659702271
• The square root of 3491220991 is 59086.5550781225
• The cube root of 3491220991 is 1517.0239829913

Scales and comparisons

• 3,491,220,991 seconds is equal to 111 years, 3 days, 15 hours, 36 minutes, 31 seconds.
• To count from 1 to 3,491,220,991 would take you about two hundred twenty-two 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 3491220991 cubic inches would be around 126.4 feet tall.

Recreational maths with 3491220991

• 3491220991 backwards is 1990221943
• The number of decimal digits it has is: 10
• The sum of 3491220991's digits is 40
• More coming soon!