72972776709

Names of 72972776709

• Cardinal: 72972776709 can be written as Seventy-two billion, nine hundred seventy-two million, seven hundred seventy-six thousand, seven hundred nine.

Scientific notation

• Scientific notation: 7.2972776709 × 10¹⁰

Factors of 72972776709

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 314045

Divisors of 72972776709

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 17 21 31 49 51 63 93 119 147 153 217 279 357 441 527 651 833 1071 1519 1581 1953 2499 3689 4557 4743 7497 11067 13671 25823 33201 77469 232407 313987 941961 2197909 2825883 5337779 6593727 9733597 15385363 16013337 19781181 29200791 37364453 46156089 48040011 68135179 87602373 112093359 138468267 165471149 204405537 261551171 336280077 476946253 496413447 613216611 784653513 1158298043 1430838759 1489240341 2353960539 3474894129 4292516277 8108086301 10424682387 24324258903 72972776709
• Sum of all divisors σ(n): 134015102208
• Sum of proper divisors (its aliquot sum) s(n): 61042325499
• 72972776709 is a deficient number, because the sum of its proper divisors (61042325499) is less than itself. Its deficiency is 11930451210

Bases of 72972776709

• Binary: 1000011111101100001000011010100000101₂
• Hexadecimal: 0x10FD843505
• Base-36: XIU3UV9

Squares and roots of 72972776709

• 72972776709 squared (72972776709²) is 5325026140621572870681
• 72972776709 cubed (72972776709³) is 388581943529166071560576745768829
• The square root of 72972776709 is 270134.7380641741
• The cube root of 72972776709 is 4178.8196095631

Scales and comparisons

• 72,972,776,709 seconds is equal to 2,320 years, 16 weeks, 7 hours, 45 minutes, 9 seconds.
• To count from 1 to 72,972,776,709 would take you about four thousand, six hundred forty 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 72972776709 cubic inches would be around 348.2 feet tall.

Recreational maths with 72972776709

• 72972776709 backwards is 90767727927
• 72972776709 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72972776709's digits is 63
• More coming soon!