1397985047

Names of 1397985047

• Cardinal: 1397985047 can be written as One billion, three hundred ninety-seven million, nine hundred eighty-five thousand and forty-seven.

Scientific notation

• Scientific notation: 1.397985047 × 10⁹

Factors of 1397985047

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6873

Divisors of 1397985047

• Number of divisors d(n): 8
• Complete list of divisors:
  1 401 593 5879 237793 2357479 3486247 1397985047
• Sum of all divisors σ(n): 1404073440
• Sum of proper divisors (its aliquot sum) s(n): 6088393
• 1397985047 is a deficient number, because the sum of its proper divisors (6088393) is less than itself. Its deficiency is 1391896654

Bases of 1397985047

• Binary: 1010011010100111000111100010111₂
• Hexadecimal: 0x53538F17
• Base-36: N4BO5Z

Squares and roots of 1397985047

• 1397985047 squared (1397985047²) is 1954362191635592209
• 1397985047 cubed (1397985047³) is 2732169120328706381171698823
• The square root of 1397985047 is 37389.6382303975
• The cube root of 1397985047 is 1118.1519925781

Scales and comparisons

• 1,397,985,047 seconds is equal to 44 years, 23 weeks, 3 days, 9 hours, 10 minutes, 47 seconds.
• To count from 1 to 1,397,985,047 would take you about eighty-eight 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 1397985047 cubic inches would be around 93.2 feet tall.

Recreational maths with 1397985047

• 1397985047 backwards is 7405897931
• The number of decimal digits it has is: 10
• The sum of 1397985047's digits is 53
• More coming soon!