421537589991

Names of 421537589991

• Cardinal: 421537589991 can be written as Four hundred twenty-one billion, five hundred thirty-seven million, five hundred eighty-nine thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 4.21537589991 × 10¹¹

Factors of 421537589991

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 18742528

Divisors of 421537589991

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 9 17 21 27 49 51 63 119 147 153 189 357 441 459 833 1071 1323 2499 3213 7497 22491 18742501 56227503 131197507 168682509 318622517 393592521 506047527 918382549 955867551 1180777563 2230357619 2755147647 2867602653 3542332689 6691072857 8265442941 8602807959 15612503333 20073218571 24796328823 46837509999 60219655713 140512529997 421537589991
• Sum of all divisors σ(n): 769192282080
• Sum of proper divisors (its aliquot sum) s(n): 347654692089
• 421537589991 is a deficient number, because the sum of its proper divisors (347654692089) is less than itself. Its deficiency is 73882897902

Bases of 421537589991

• Binary: 110001000100101100110010010101011100111₂
• Hexadecimal: 0x6225992AE7
• Base-36: 5DNGLI3R

Squares and roots of 421537589991

• 421537589991 squared (421537589991²) is 177693939775420423380081
• 421537589991 cubed (421537589991³) is 74904675128936621050440214934369271
• The square root of 421537589991 is 649259.2625377015
• The cube root of 421537589991 is 7497.9999999941

Scales and comparisons

• 421,537,589,991 seconds is equal to 13,403 years, 30 weeks, 5 days, 6 hours, 59 minutes, 51 seconds.
• To count from 1 to 421,537,589,991 would take you about twenty-six thousand, eight hundred seven 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 421537589991 cubic inches would be around 624.8 feet tall.

Recreational maths with 421537589991

• 421537589991 backwards is 199985735124
• 421537589991 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 421537589991's digits is 63
• More coming soon!