72505425

Names of 72505425

• Cardinal: 72505425 can be written as Seventy-two million, five hundred five thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 7.2505425 × 10⁷

Factors of 72505425

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 158

Divisors of 72505425

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 15 17 19 25 41 51 57 73 75 85 95 123 205 219 255 285 323 365 425 475 615 697 779 969 1025 1095 1241 1275 1387 1425 1615 1825 2091 2337 2993 3075 3485 3723 3895 4161 4845 5475 6205 6935 8075 8979 10455 11685 13243 14965 17425 18615 19475 20805 23579 24225 31025 34675 39729 44895 50881 52275 56867 58425 66215 70737 74825 93075 104025 117895 152643 170601 198645 224475 254405 284335 331075 353685 589475 763215 853005 966739 993225 1272025 1421675 1768425 2900217 3816075 4265025 4833695 14501085 24168475 72505425
• Sum of all divisors σ(n): 138741120
• Sum of proper divisors (its aliquot sum) s(n): 66235695
• 72505425 is a deficient number, because the sum of its proper divisors (66235695) is less than itself. Its deficiency is 6269730

Bases of 72505425

• Binary: 100010100100101100001010001₂
• Hexadecimal: 0x4525851
• Base-36: 1761JL

Squares and roots of 72505425

• 72505425 squared (72505425²) is 5257036654430625
• 72505425 cubed (72505425³) is 381163676870070598640625
• The square root of 72505425 is 8515.0117439731
• The cube root of 72505425 is 416.9879459851

Scales and comparisons

• 72,505,425 seconds is equal to 2 years, 15 weeks, 6 days, 4 hours, 23 minutes, 45 seconds.
• To count from 1 to 72,505,425 would take you about three 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 72505425 cubic inches would be around 34.7 feet tall.

Recreational maths with 72505425

• 72505425 backwards is 52450527
• The number of decimal digits it has is: 8
• The sum of 72505425's digits is 30
• More coming soon!