2101989

Names of 2101989

• Cardinal: 2101989 can be written as Two million, one hundred one thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 2.101989 × 10⁶

Factors of 2101989

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 36899

Divisors of 2101989

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 19 57 36877 110631 700663 2101989
• Sum of all divisors σ(n): 2950240
• Sum of proper divisors (its aliquot sum) s(n): 848251
• 2101989 is a deficient number, because the sum of its proper divisors (848251) is less than itself. Its deficiency is 1253738

Bases of 2101989

• Binary: 1000000001001011100101₂
• Hexadecimal: 0x2012E5
• Base-36: 191WL

Squares and roots of 2101989

• 2101989 squared (2101989²) is 4418357756121
• 2101989 cubed (2101989³) is 9287339401431024669
• The square root of 2101989 is 1449.8237823957
• The cube root of 2101989 is 128.0983334549

Scales and comparisons

• 2,101,989 seconds is equal to 3 weeks, 3 days, 7 hours, 53 minutes, 9 seconds.
• To count from 1 to 2,101,989 would take you about five weeks!

  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 2101989 cubic inches would be around 10.7 feet tall.

Recreational maths with 2101989

• 2101989 backwards is 9891012
• The number of decimal digits it has is: 7
• The sum of 2101989's digits is 30
• More coming soon!