72949133881

Names of 72949133881

• Cardinal: 72949133881 can be written as Seventy-two billion, nine hundred forty-nine million, one hundred thirty-three thousand, eight hundred eighty-one.

Scientific notation

• Scientific notation: 7.2949133881 × 10¹⁰

Factors of 72949133881

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1338

Divisors of 72949133881

• Number of divisors d(n): 64
• Complete list of divisors:
  1 13 19 37 67 109 247 481 703 871 1093 1273 1417 2071 2479 4033 7303 9139 14209 16549 20767 26923 32227 40441 47101 52429 73231 76627 94939 119137 138757 269971 270211 525733 612313 768379 952003 996151 1391389 1548781 1803841 2263603 2709547 3512743 4408069 5134009 7982179 9988927 18088057 29426839 35224111 51481393 57304897 66742117 83753311 103768327 151661401 295340623 669258109 1088793043 1971598213 3839428099 5611471837 72949133881
• Sum of all divisors σ(n): 87068396800
• Sum of proper divisors (its aliquot sum) s(n): 14119262919
• 72949133881 is a deficient number, because the sum of its proper divisors (14119262919) is less than itself. Its deficiency is 58829870962

Bases of 72949133881

• Binary: 1000011111100000110110111001000111001₂
• Hexadecimal: 0x10FC1B7239
• Base-36: XIG13Y1

Squares and roots of 72949133881

• 72949133881 squared (72949133881²) is 5321576133988062122161
• 72949133881 cubed (72949133881³) is 388204369856229538205267766036841
• The square root of 72949133881 is 270090.9733423167
• The cube root of 72949133881 is 4178.3682550087

Scales and comparisons

• 72,949,133,881 seconds is equal to 2,319 years, 28 weeks, 6 days, 16 hours, 18 minutes, 1 second.
• To count from 1 to 72,949,133,881 would take you about four thousand, six hundred thirty-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 72949133881 cubic inches would be around 348.2 feet tall.

Recreational maths with 72949133881

• 72949133881 backwards is 18833194927
• The number of decimal digits it has is: 11
• The sum of 72949133881's digits is 55
• More coming soon!