1420743791

Names of 1420743791

• Cardinal: 1420743791 can be written as One billion, four hundred twenty million, seven hundred forty-three thousand, seven hundred ninety-one.

Scientific notation

• Scientific notation: 1.420743791 × 10⁹

Factors of 1420743791

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 20509

Divisors of 1420743791

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19 4751 15739 90269 299041 74775989 1420743791
• Sum of all divisors σ(n): 1495929600
• Sum of proper divisors (its aliquot sum) s(n): 75185809
• 1420743791 is a deficient number, because the sum of its proper divisors (75185809) is less than itself. Its deficiency is 1345557982

Bases of 1420743791

• Binary: 1010100101011101101010001101111₂
• Hexadecimal: 0x54AED46F
• Base-36: NHVGXB

Squares and roots of 1420743791

• 1420743791 squared (1420743791²) is 2018512919665051681
• 1420743791 cubed (1420743791³) is 2867789697667403975474862671
• The square root of 1420743791 is 37692.7551526815
• The cube root of 1420743791 is 1124.1870778453

Scales and comparisons

• 1,420,743,791 seconds is equal to 45 years, 9 weeks, 19 hours, 3 minutes, 11 seconds.
• To count from 1 to 1,420,743,791 would take you about ninety 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 1420743791 cubic inches would be around 93.7 feet tall.

Recreational maths with 1420743791

• 1420743791 backwards is 1973470241
• The number of decimal digits it has is: 10
• The sum of 1420743791's digits is 38
• More coming soon!