1421689409

Names of 1421689409

• Cardinal: 1421689409 can be written as One billion, four hundred twenty-one million, six hundred eighty-nine thousand, four hundred nine.

Scientific notation

• Scientific notation: 1.421689409 × 10⁹

Factors of 1421689409

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 8830399

Divisors of 1421689409

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 23 161 8830369 61812583 203098487 1421689409
• Sum of all divisors σ(n): 1695431040
• Sum of proper divisors (its aliquot sum) s(n): 273741631
• 1421689409 is a deficient number, because the sum of its proper divisors (273741631) is less than itself. Its deficiency is 1147947778

Bases of 1421689409

• Binary: 1010100101111010100001001000001₂
• Hexadecimal: 0x54BD4241
• Base-36: NIFQKH

Squares and roots of 1421689409

• 1421689409 squared (1421689409²) is 2021200775662769281
• 1421689409 cubed (1421689409³) is 2873519736222344042408244929
• The square root of 1421689409 is 37705.2968294907
• The cube root of 1421689409 is 1124.4364345043

Scales and comparisons

• 1,421,689,409 seconds is equal to 45 years, 10 weeks, 4 days, 17 hours, 43 minutes, 29 seconds.
• To count from 1 to 1,421,689,409 would take you about ninety 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 1421689409 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421689409

• 1421689409 backwards is 9049861241
• The number of decimal digits it has is: 10
• The sum of 1421689409's digits is 44
• More coming soon!