72005941018

Names of 72005941018

• Cardinal: 72005941018 can be written as Seventy-two billion, five million, nine hundred forty-one thousand and eighteen.

Scientific notation

• Scientific notation: 7.2005941018 × 10¹⁰

Factors of 72005941018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2183

Divisors of 72005941018

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 11 22 37 74 103 206 407 601 814 1133 1202 1429 2266 2858 3811 6611 7622 13222 15719 22237 31438 41921 44474 52873 61903 83842 105746 123806 147187 244607 294374 489214 581603 680933 858829 1163206 1361866 1619057 1717658 2290411 3238114 4580822 5445919 9447119 10891838 18894238 25194521 31776673 50389042 59905109 63553346 88459387 119810218 176918774 349543403 699086806 973053257 1946106514 3272997319 6545994638 36002970509 72005941018
• Sum of all divisors σ(n): 122476273920
• Sum of proper divisors (its aliquot sum) s(n): 50470332902
• 72005941018 is a deficient number, because the sum of its proper divisors (50470332902) is less than itself. Its deficiency is 21535608116

Bases of 72005941018

• Binary: 1000011000011111000110111011100011010₂
• Hexadecimal: 0x10C3E3771A
• Base-36: X2UH7OA

Squares and roots of 72005941018

• 72005941018 squared (72005941018²) is 5184855541887694876324
• 72005941018 cubed (72005941018³) is 373340402336015785644566748657832
• The square root of 72005941018 is 268339.2275050369
• The cube root of 72005941018 is 4160.2820671737

Scales and comparisons

• 72,005,941,018 seconds is equal to 2,289 years, 29 weeks, 3 days, 2 hours, 16 minutes, 58 seconds.
• To count from 1 to 72,005,941,018 would take you about four thousand, five hundred seventy-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 72005941018 cubic inches would be around 346.7 feet tall.

Recreational maths with 72005941018

• 72005941018 backwards is 81014950027
• 72005941018 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72005941018's digits is 37
• More coming soon!