1421530425

Names of 1421530425

• Cardinal: 1421530425 can be written as One billion, four hundred twenty-one million, five hundred thirty thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.421530425 × 10⁹

Factors of 1421530425

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 42994

Divisors of 1421530425

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 35 45 49 63 75 105 135 147 175 189 225 245 315 441 525 675 735 945 1225 1323 1575 2205 3675 4725 6615 11025 33075 42979 128937 214895 300853 386811 644685 902559 1074475 1160433 1504265 1934055 2105971 2707677 3223425 4512795 5802165 6317913 7521325 8123031 9670275 10529855 13538385 18953739 22563975 29010825 31589565 40615155 52649275 56861217 67691925 94768695 157947825 203075775 284306085 473843475 1421530425
• Sum of all divisors σ(n): 3037826400
• Sum of proper divisors (its aliquot sum) s(n): 1616295975
• 1421530425 is an abundant number, because the sum of its proper divisors (1616295975) is greater than itself. Its abundance is 194765550

Bases of 1421530425

• Binary: 1010100101110101101010100111001₂
• Hexadecimal: 0x54BAD539
• Base-36: NICBW9

Squares and roots of 1421530425

• 1421530425 squared (1421530425²) is 2020748749200680625
• 1421530425 cubed (1421530425³) is 2872555828269461939145515625
• The square root of 1421530425 is 37703.1885256407
• The cube root of 1421530425 is 1124.3945186295

Scales and comparisons

• 1,421,530,425 seconds is equal to 45 years, 10 weeks, 2 days, 21 hours, 33 minutes, 45 seconds.
• To count from 1 to 1,421,530,425 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 1421530425 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421530425

• 1421530425 backwards is 5240351241
• 1421530425 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1421530425's digits is 27
• More coming soon!