72201052945

Names of 72201052945

• Cardinal: 72201052945 can be written as Seventy-two billion, two hundred one million, fifty-two thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 7.2201052945 × 10¹⁰

Factors of 72201052945

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3970

Divisors of 72201052945

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 23 35 115 137 161 181 685 805 905 959 1267 3151 3617 4163 4795 6335 15755 18085 20815 22057 24797 25319 29141 83191 110285 123985 126595 145705 173579 415955 495529 570331 582337 654677 867895 2477645 2851655 2911685 3273385 3468703 3992317 4582739 11397167 15057571 17343515 19961585 22913695 56985835 75287855 79780169 89690749 105402997 398900845 448453745 527014985 627835243 2062887227 3139176215 10314436135 14440210589 72201052945
• Sum of all divisors σ(n): 104681880576
• Sum of proper divisors (its aliquot sum) s(n): 32480827631
• 72201052945 is a deficient number, because the sum of its proper divisors (32480827631) is less than itself. Its deficiency is 39720225314

Bases of 72201052945

• Binary: 1000011001111100001001010001100010001₂
• Hexadecimal: 0x10CF84A311
• Base-36: X62N501

Squares and roots of 72201052945

• 72201052945 squared (72201052945²) is 5212992046366693173025
• 72201052945 cubed (72201052945³) is 376383514741585508670148070808625
• The square root of 72201052945 is 268702.5361715069
• The cube root of 72201052945 is 4164.0363341955

Scales and comparisons

• 72,201,052,945 seconds is equal to 2,295 years, 40 weeks, 8 hours, 2 minutes, 25 seconds.
• To count from 1 to 72,201,052,945 would take you about four thousand, five hundred ninety-one 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 72201052945 cubic inches would be around 347 feet tall.

Recreational maths with 72201052945

• 72201052945 backwards is 54925010227
• The number of decimal digits it has is: 11
• The sum of 72201052945's digits is 37
• More coming soon!