21842201628

Names of 21842201628

• Cardinal: 21842201628 can be written as Twenty-one billion, eight hundred forty-two million, two hundred one thousand, six hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1842201628 × 10¹⁰

Factors of 21842201628

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15846

Divisors of 21842201628

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 3919 7838 11757 11909 15676 23514 23818 35271 35727 47028 47636 50947 70542 71454 101894 107181 141084 142908 152841 154817 203788 214362 305682 309634 428724 458523 464451 611364 619268 917046 928902 1393353 1834092 1857804 2786706 5573412 46671371 93342742 140014113 186685484 280028226 420042339 560056452 606727823 840084678 1213455646 1680169356 1820183469 2426911292 3640366938 5460550407 7280733876 10921100814 21842201628
• Sum of all divisors σ(n): 59479492800
• Sum of proper divisors (its aliquot sum) s(n): 37637291172
• 21842201628 is an abundant number, because the sum of its proper divisors (37637291172) is greater than itself. Its abundance is 15795089544

Bases of 21842201628

• Binary: 10100010101111001011000110000011100₂
• Hexadecimal: 0x515E58C1C
• Base-36: A18A6N0

Squares and roots of 21842201628

• 21842201628 squared (21842201628²) is 477081771958205850384
• 21842201628 cubed (21842201628³) is 10420516256154648573216529225152
• The square root of 21842201628 is 147791.0742501049
• The cube root of 21842201628 is 2795.3238969539

Scales and comparisons

• 21,842,201,628 seconds is equal to 694 years, 26 weeks, 5 days, 6 hours, 13 minutes, 48 seconds.
• To count from 1 to 21,842,201,628 would take you about one thousand, three hundred eighty-nine 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 21842201628 cubic inches would be around 232.9 feet tall.

Recreational maths with 21842201628

• 21842201628 backwards is 82610224812
• 21842201628 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21842201628's digits is 36
• More coming soon!