421621447730

Names of 421621447730

• Cardinal: 421621447730 can be written as Four hundred twenty-one billion, six hundred twenty-one million, four hundred forty-seven thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 4.2162144773 × 10¹¹

Factors of 421621447730

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6939

Divisors of 421621447730

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 14 35 70 661 1322 2297 3305 3967 4594 4627 6610 7934 9254 11485 16079 19835 22970 23135 27769 32158 39670 46270 55538 80395 138845 160790 277690 1518317 2622187 3036634 5244374 7591585 9112199 10628219 13110935 15183170 18224398 18355309 21256438 26221870 36710618 45560995 53141095 63785393 91121990 91776545 106282190 127570786 183553090 318926965 637853930 6023163539 12046327078 30115817695 42162144773 60231635390 84324289546 210810723865 421621447730
• Sum of all divisors σ(n): 869244936192
• Sum of proper divisors (its aliquot sum) s(n): 447623488462
• 421621447730 is an abundant number, because the sum of its proper divisors (447623488462) is greater than itself. Its abundance is 26002040732

Bases of 421621447730

• Binary: 110001000101010100110001011110000110010₂
• Hexadecimal: 0x622A98BC32
• Base-36: 5DOUIV5E

Squares and roots of 421621447730

• 421621447730 squared (421621447730²) is 177764645185941122152900
• 421621447730 cubed (421621447730³) is 74949387058506270964646472417917000
• The square root of 421621447730 is 649323.8388739475
• The cube root of 421621447730 is 7498.4971669155

Scales and comparisons

• 421,621,447,730 seconds is equal to 13,406 years, 13 weeks, 2 days, 20 hours, 48 minutes, 50 seconds.
• To count from 1 to 421,621,447,730 would take you about twenty-six thousand, eight hundred twelve 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 421621447730 cubic inches would be around 624.9 feet tall.

Recreational maths with 421621447730

• 421621447730 backwards is 037744126124
• The number of decimal digits it has is: 12
• The sum of 421621447730's digits is 41
• More coming soon!