72159379930

Names of 72159379930

• Cardinal: 72159379930 can be written as Seventy-two billion, one hundred fifty-nine million, three hundred seventy-nine thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 7.215937993 × 10¹⁰

Factors of 72159379930

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 553854

Divisors of 72159379930

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 11 22 55 110 1187 2374 5935 11870 13057 26114 65285 130570 552649 1105298 2763245 5526490 6079139 12158278 30395695 60791390 655994363 1311988726 3279971815 6559943630 7215937993 14431875986 36079689965 72159379930
• Sum of all divisors σ(n): 141814411200
• Sum of proper divisors (its aliquot sum) s(n): 69655031270
• 72159379930 is a deficient number, because the sum of its proper divisors (69655031270) is less than itself. Its deficiency is 2504348660

Bases of 72159379930

• Binary: 1000011001101000010001100000111011010₂
• Hexadecimal: 0x10CD08C1DA
• Base-36: X5DTXWA

Squares and roots of 72159379930

• 72159379930 squared (72159379930²) is 5206976111882086804900
• 72159379930 cubed (72159379930³) is 375732167543733689116018885657000
• The square root of 72159379930 is 268624.9800930659
• The cube root of 72159379930 is 4163.2350469665

Scales and comparisons

• 72,159,379,930 seconds is equal to 2,294 years, 23 weeks, 1 day, 12 minutes, 10 seconds.
• To count from 1 to 72,159,379,930 would take you about four thousand, five hundred eighty-eight 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 72159379930 cubic inches would be around 346.9 feet tall.

Recreational maths with 72159379930

• 72159379930 backwards is 03997395127
• 72159379930 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72159379930's digits is 55
• More coming soon!