421287688474160

Names of 421287688474160

• Cardinal: 421287688474160 can be written as Four hundred twenty-one trillion, two hundred eighty-seven billion, six hundred eighty-eight million, four hundred seventy-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 4.2128768847416 × 10¹⁴

Factors of 421287688474160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 31850175

Divisors of 421287688474160

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 166207 332414 664828 831035 1329656 1662070 2659312 3324140 6648280 13296560 31683961 63367922 126735844 158419805 253471688 316839610 506943376 633679220 1267358440 2534716880 5266096105927 10532192211854 21064384423708 26330480529635 42128768847416 52660961059270 84257537694832 105321922118540 210643844237080 421287688474160
• Sum of all divisors σ(n): 979499799833856
• Sum of proper divisors (its aliquot sum) s(n): 558212111359696
• 421287688474160 is an abundant number, because the sum of its proper divisors (558212111359696) is greater than itself. Its abundance is 136924422885536

Bases of 421287688474160

• Binary: 1011111110010100010101111000001010000111000110000₂
• Hexadecimal: 0x17F28AF050E30
• Base-36: 45C0W4E3OW

Squares and roots of 421287688474160

• 421287688474160 squared (421287688474160²) is 177483316459900884508987705600
• 421287688474160 cubed (421287688474160³) is 74771536134119477676573049111430263287296000
• The square root of 421287688474160 is 20525293.8705919629
• The cube root of 421287688474160 is 74965.1801909379

Scales and comparisons

• 421,287,688,474,160 seconds is equal to 13,395,645 years, 18 weeks, 6 days, 21 hours, 29 minutes, 20 seconds.
• To count from 1 to 421,287,688,474,160 would take you about thirty-three million, four hundred eighty-nine thousand, one hundred thirteen 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 421287688474160 cubic inches would be around 6247.1 feet tall.

Recreational maths with 421287688474160

• 421287688474160 backwards is 061474886782124
• The number of decimal digits it has is: 15
• The sum of 421287688474160's digits is 68
• More coming soon!