1680770890

Names of 1680770890

• Cardinal: 1680770890 can be written as One billion, six hundred eighty million, seven hundred seventy thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.68077089 × 10⁹

Factors of 1680770890

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 71141

Divisors of 1680770890

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 10 2447 4894 12235 24470 68687 137374 343435 686870 168077089 336154178 840385445 1680770890
• Sum of all divisors σ(n): 3026668032
• Sum of proper divisors (its aliquot sum) s(n): 1345897142
• 1680770890 is a deficient number, because the sum of its proper divisors (1345897142) is less than itself. Its deficiency is 334873748

Bases of 1680770890

• Binary: 1100100001011101000011101001010₂
• Hexadecimal: 0x642E874A
• Base-36: RSOR4A

Squares and roots of 1680770890

• 1680770890 squared (1680770890²) is 2824990784671392100
• 1680770890 cubed (1680770890³) is 4748162275393934057455969000
• The square root of 1680770890 is 40997.2058804011
• The cube root of 1680770890 is 1188.9661925097

Scales and comparisons

• 1,680,770,890 seconds is equal to 53 years, 23 weeks, 8 hours, 48 minutes, 10 seconds.
• To count from 1 to 1,680,770,890 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 1680770890 cubic inches would be around 99.1 feet tall.

Recreational maths with 1680770890

• 1680770890 backwards is 0980770861
• The number of decimal digits it has is: 10
• The sum of 1680770890's digits is 46
• More coming soon!