1421921

Names of 1421921

• Cardinal: 1421921 can be written as One million, four hundred twenty-one thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.421921 × 10⁶

Factors of 1421921

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 559

Divisors of 1421921

• Number of divisors d(n): 8
• Complete list of divisors:
  1 41 79 439 3239 17999 34681 1421921
• Sum of all divisors σ(n): 1478400
• Sum of proper divisors (its aliquot sum) s(n): 56479
• 1421921 is a deficient number, because the sum of its proper divisors (56479) is less than itself. Its deficiency is 1365442

Bases of 1421921

• Binary: 101011011001001100001₂
• Hexadecimal: 0x15B261
• Base-36: UH5T

Squares and roots of 1421921

• 1421921 squared (1421921²) is 2021859330241
• 1421921 cubed (1421921³) is 2874924240715612961
• The square root of 1421921 is 1192.4432900561
• The cube root of 1421921 is 112.4497487505

Scales and comparisons

• 1,421,921 seconds is equal to 2 weeks, 2 days, 10 hours, 58 minutes, 41 seconds.
• To count from 1 to 1,421,921 would take you about three 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 1421921 cubic inches would be around 9.4 feet tall.

Recreational maths with 1421921

• 1421921 backwards is 1291241
• The number of decimal digits it has is: 7
• The sum of 1421921's digits is 20
• More coming soon!