72449797225

Names of 72449797225

• Cardinal: 72449797225 can be written as Seventy-two billion, four hundred forty-nine million, seven hundred ninety-seven thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 7.2449797225 × 10¹⁰

Factors of 72449797225

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 160

Divisors of 72449797225

• Number of divisors d(n): 81
• Complete list of divisors:
  1 5 13 25 41 65 101 169 205 325 505 533 845 1025 1313 1681 2525 2665 4141 4225 6565 6929 8405 10201 13325 17069 20705 21853 32825 34645 42025 51005 53833 85345 103525 109265 132613 169781 173225 255025 269165 284089 418241 426725 546325 663065 699829 848905 1345825 1420445 1723969 2091205 2207153 3315325 3499145 4244525 5437133 7102225 8619845 10456025 11035765 17147881 17495725 27185665 28692989 43099225 55178825 70682729 85739405 135928325 143464945 222922453 353413645 428697025 717324725 1114612265 1767068225 2897991889 5573061325 14489959445 72449797225
• Sum of all divisors σ(n): 100707487437
• Sum of proper divisors (its aliquot sum) s(n): 28257690212
• 72449797225 is a deficient number, because the sum of its proper divisors (28257690212) is less than itself. Its deficiency is 44192107013

Bases of 72449797225

• Binary: 1000011011110010110000010110001101001₂
• Hexadecimal: 0x10DE582C69
• Base-36: XA6QLBD

Squares and roots of 72449797225

• 72449797225 squared (72449797225²) is 5248973117943617700625
• 72449797225 cubed (72449797225³) is 380287038034491111393202005765625
• 72449797225 is a perfect square number. Its square root is 269165
• The cube root of 72449797225 is 4168.8127789167

Scales and comparisons

• 72,449,797,225 seconds is equal to 2,303 years, 35 weeks, 2 days, 7 hours, 40 minutes, 25 seconds.
• To count from 1 to 72,449,797,225 would take you about four thousand, six hundred seven 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 72449797225 cubic inches would be around 347.4 feet tall.

Recreational maths with 72449797225

• 72449797225 backwards is 52279794427
• The number of decimal digits it has is: 11
• The sum of 72449797225's digits is 58
• More coming soon!