1421395561

Names of 1421395561

• Cardinal: 1421395561 can be written as One billion, four hundred twenty-one million, three hundred ninety-five thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 1.421395561 × 10⁹

Factors of 1421395561

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 17231

Divisors of 1421395561

• Number of divisors d(n): 8
• Complete list of divisors:
  1 23 5107 12101 117461 278323 61799807 1421395561
• Sum of all divisors σ(n): 1483608384
• Sum of proper divisors (its aliquot sum) s(n): 62212823
• 1421395561 is a deficient number, because the sum of its proper divisors (62212823) is less than itself. Its deficiency is 1359182738

Bases of 1421395561

• Binary: 1010100101110001100011001101001₂
• Hexadecimal: 0x54B8C669
• Base-36: NI9FU1

Squares and roots of 1421395561

• 1421395561 squared (1421395561²) is 2020365340830504721
• 1421395561 cubed (1421395561³) is 2871738327054731463818943481
• The square root of 1421395561 is 37701.3999872683
• The cube root of 1421395561 is 1124.3589595033

Scales and comparisons

• 1,421,395,561 seconds is equal to 45 years, 10 weeks, 1 day, 8 hours, 6 minutes, 1 second.
• To count from 1 to 1,421,395,561 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 1421395561 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421395561

• 1421395561 backwards is 1655931241
• The number of decimal digits it has is: 10
• The sum of 1421395561's digits is 37
• More coming soon!