1680998401

Names of 1680998401

• Cardinal: 1680998401 can be written as One billion, six hundred eighty million, nine hundred ninety-eight thousand, four hundred one.

Scientific notation

• Scientific notation: 1.680998401 × 10⁹

Factors of 1680998401

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1782671

Divisors of 1680998401

• Number of divisors d(n): 8
• Complete list of divisors:
  1 23 41 943 1782607 40999961 73086887 1680998401
• Sum of all divisors σ(n): 1796868864
• Sum of proper divisors (its aliquot sum) s(n): 115870463
• 1680998401 is a deficient number, because the sum of its proper divisors (115870463) is less than itself. Its deficiency is 1565127938

Bases of 1680998401

• Binary: 1100100001100100000000000000001₂
• Hexadecimal: 0x64320001
• Base-36: RSTMO1

Squares and roots of 1680998401

• 1680998401 squared (1680998401²) is 2825755624164556801
• 1680998401 cubed (1680998401³) is 4750090685837376943354675201
• The square root of 1680998401 is 40999.9804999953
• The cube root of 1680998401 is 1189.0198366807

Scales and comparisons

• 1,680,998,401 seconds is equal to 53 years, 23 weeks, 3 days, 1 second.
• To count from 1 to 1,680,998,401 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 1680998401 cubic inches would be around 99.1 feet tall.

Recreational maths with 1680998401

• 1680998401 backwards is 1048990861
• The number of decimal digits it has is: 10
• The sum of 1680998401's digits is 46
• More coming soon!