1421435902

Names of 1421435902

• Cardinal: 1421435902 can be written as One billion, four hundred twenty-one million, four hundred thirty-five thousand, nine hundred two.

Scientific notation

• Scientific notation: 1.421435902 × 10⁹

Factors of 1421435902

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 710717953

Divisors of 1421435902

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 710717951 1421435902
• Sum of all divisors σ(n): 2132153856
• Sum of proper divisors (its aliquot sum) s(n): 710717954
• 1421435902 is a deficient number, because the sum of its proper divisors (710717954) is less than itself. Its deficiency is 710717948

Bases of 1421435902

• Binary: 1010100101110010110001111111110₂
• Hexadecimal: 0x54B963FE
• Base-36: NIAAYM

Squares and roots of 1421435902

• 1421435902 squared (1421435902²) is 2020480023494553604
• 1421435902 cubed (1421435902³) is 2871982844668961994189090808
• The square root of 1421435902 is 37701.9349901299
• The cube root of 1421435902 is 1124.3695963115

Scales and comparisons

• 1,421,435,902 seconds is equal to 45 years, 10 weeks, 1 day, 19 hours, 18 minutes, 22 seconds.
• To count from 1 to 1,421,435,902 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 1421435902 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421435902

• 1421435902 backwards is 2095341241
• The number of decimal digits it has is: 10
• The sum of 1421435902's digits is 31
• More coming soon!