1681467121

Names of 1681467121

• Cardinal: 1681467121 can be written as One billion, six hundred eighty-one million, four hundred sixty-seven thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.681467121 × 10⁹

Factors of 1681467121

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 18892978

Divisors of 1681467121

• Number of divisors d(n): 4
• Complete list of divisors:
  1 89 18892889 1681467121
• Sum of all divisors σ(n): 1700360100
• Sum of proper divisors (its aliquot sum) s(n): 18892979
• 1681467121 is a deficient number, because the sum of its proper divisors (18892979) is less than itself. Its deficiency is 1662574142

Bases of 1681467121

• Binary: 1100100001110010010011011110001₂
• Hexadecimal: 0x643926F1
• Base-36: RT3OC1

Squares and roots of 1681467121

• 1681467121 squared (1681467121²) is 2827331679004028641
• 1681467121 cubed (1681467121³) is 4754065258407000186383812561
• The square root of 1681467121 is 41005.6962018693
• The cube root of 1681467121 is 1189.1303395791

Scales and comparisons

• 1,681,467,121 seconds is equal to 53 years, 24 weeks, 1 day, 10 hours, 12 minutes, 1 second.
• To count from 1 to 1,681,467,121 would take you about one hundred 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 1681467121 cubic inches would be around 99.1 feet tall.

Recreational maths with 1681467121

• 1681467121 backwards is 1217641861
• The number of decimal digits it has is: 10
• The sum of 1681467121's digits is 37
• More coming soon!