1421837931

Names of 1421837931

• Cardinal: 1421837931 can be written as One billion, four hundred twenty-one million, eight hundred thirty-seven thousand, nine hundred thirty-one.

Scientific notation

• Scientific notation: 1.421837931 × 10⁹

Factors of 1421837931

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4886141

Divisors of 1421837931

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 97 291 4886041 14658123 473945977 1421837931
• Sum of all divisors σ(n): 1915328464
• Sum of proper divisors (its aliquot sum) s(n): 493490533
• 1421837931 is a deficient number, because the sum of its proper divisors (493490533) is less than itself. Its deficiency is 928347398

Bases of 1421837931

• Binary: 1010100101111111000011001101011₂
• Hexadecimal: 0x54BF866B
• Base-36: NIIX63

Squares and roots of 1421837931

• 1421837931 squared (1421837931²) is 2021623102030360761
• 1421837931 cubed (1421837931³) is 2874420408652650043603825491
• The square root of 1421837931 is 37707.2662891385
• The cube root of 1421837931 is 1124.4755892667

Scales and comparisons

• 1,421,837,931 seconds is equal to 45 years, 10 weeks, 6 days, 10 hours, 58 minutes, 51 seconds.
• To count from 1 to 1,421,837,931 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 1421837931 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421837931

• 1421837931 backwards is 1397381241
• The number of decimal digits it has is: 10
• The sum of 1421837931's digits is 39
• More coming soon!