420429625

Names of 420429625

• Cardinal: 420429625 can be written as Four hundred twenty million, four hundred twenty-nine thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 4.20429625 × 10⁸

Factors of 420429625

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 42

Divisors of 420429625

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 11 19 25 35 55 77 95 121 125 133 175 209 275 361 385 475 605 665 847 875 1045 1331 1375 1463 1805 1925 2299 2375 2527 3025 3325 3971 4235 5225 6655 7315 9025 9317 9625 11495 12635 15125 16093 16625 19855 21175 25289 26125 27797 33275 36575 43681 45125 46585 57475 63175 80465 99275 105875 126445 138985 166375 177023 182875 218405 232925 287375 305767 315875 402325 480491 496375 632225 694925 885115 1092025 1164625 1528835 2011625 2402455 3161125 3363437 3474625 4425575 5460125 7644175 12012275 16817185 22127875 38220875 60061375 84085925 420429625
• Sum of all divisors σ(n): 696114432
• Sum of proper divisors (its aliquot sum) s(n): 275684807
• 420429625 is a deficient number, because the sum of its proper divisors (275684807) is less than itself. Its deficiency is 144744818

Bases of 420429625

• Binary: 11001000011110011111100111001₂
• Hexadecimal: 0x190F3F39
• Base-36: 6YB9KP

Squares and roots of 420429625

• 420429625 squared (420429625²) is 176761069577640625
• 420429625 cubed (420429625³) is 74315590197126356353515625
• The square root of 420429625 is 20504.3806295143
• The cube root of 420429625 is 749.1425014501

Scales and comparisons

• 420,429,625 seconds is equal to 13 years, 19 weeks, 1 day, 2 hours, 25 seconds.
• To count from 1 to 420,429,625 would take you about twenty 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 420429625 cubic inches would be around 62.4 feet tall.

Recreational maths with 420429625

• 420429625 backwards is 526924024
• The number of decimal digits it has is: 9
• The sum of 420429625's digits is 34
• More coming soon!