30821667345

Names of 30821667345

• Cardinal: 30821667345 can be written as Thirty billion, eight hundred twenty-one million, six hundred sixty-seven thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 3.0821667345 × 10¹⁰

Factors of 30821667345

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5726

Divisors of 30821667345

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945 5711 17133 28555 39977 51399 85665 119931 154197 199885 256995 359793 599655 770985 1079379 1798965 5396895 32615521 97846563 163077605 228308647 293539689 489232815 684925941 880619067 1141543235 1467698445 2054777823 3424629705 4403095335 6164333469 10273889115 30821667345
• Sum of all divisors σ(n): 62632767360
• Sum of proper divisors (its aliquot sum) s(n): 31811100015
• 30821667345 is an abundant number, because the sum of its proper divisors (31811100015) is greater than itself. Its abundance is 989432670

Bases of 30821667345

• Binary: 11100101101000111010101001000010001₂
• Hexadecimal: 0x72D1D5211
• Base-36: E5QFAQ9

Squares and roots of 30821667345

• 30821667345 squared (30821667345²) is 949975177925839349025
• 30821667345 cubed (30821667345³) is 29279818920037407495559900088625
• The square root of 30821667345 is 175561.0074731859
• The cube root of 30821667345 is 3135.3452928895

Scales and comparisons

• 30,821,667,345 seconds is equal to 980 years, 1 week, 5 days, 6 hours, 15 minutes, 45 seconds.
• To count from 1 to 30,821,667,345 would take you about one thousand, nine hundred sixty 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 30821667345 cubic inches would be around 261.3 feet tall.

Recreational maths with 30821667345

• 30821667345 backwards is 54376612803
• 30821667345 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30821667345's digits is 45
• More coming soon!