421472142

Names of 421472142

• Cardinal: 421472142 can be written as Four hundred twenty-one million, four hundred seventy-two thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 4.21472142 × 10⁸

Factors of 421472142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19818

Divisors of 421472142

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 117 126 169 182 234 273 338 507 546 819 1014 1183 1521 1638 2366 3042 3549 7098 10647 19793 21294 39586 59379 118758 138551 178137 257309 277102 356274 415653 514618 771927 831306 1246959 1543854 1801163 2315781 2493918 3345017 3602326 4631562 5403489 6690034 10035051 10806978 16210467 20070102 23415119 30105153 32420934 46830238 60210306 70245357 140490714 210736071 421472142
• Sum of all divisors σ(n): 1130158224
• Sum of proper divisors (its aliquot sum) s(n): 708686082
• 421472142 is an abundant number, because the sum of its proper divisors (708686082) is greater than itself. Its abundance is 287213940

Bases of 421472142

• Binary: 11001000111110010011110001110₂
• Hexadecimal: 0x191F278E
• Base-36: 6YXLZI

Squares and roots of 421472142

• 421472142 squared (421472142²) is 177638766482068164
• 421472142 cubed (421472142³) is 74869791411435073671087288
• The square root of 421472142 is 20529.7867012787
• The cube root of 421472142 is 749.7611933033

Scales and comparisons

• 421,472,142 seconds is equal to 13 years, 20 weeks, 6 days, 3 hours, 35 minutes, 42 seconds.
• To count from 1 to 421,472,142 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 421472142 cubic inches would be around 62.5 feet tall.

Recreational maths with 421472142

• 421472142 backwards is 241274124
• The number of decimal digits it has is: 9
• The sum of 421472142's digits is 27
• More coming soon!