72478040625

Names of 72478040625

• Cardinal: 72478040625 can be written as Seventy-two billion, four hundred seventy-eight million, forty thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 7.2478040625 × 10¹⁰

Factors of 72478040625

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 286341

Divisors of 72478040625

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 81 125 135 225 375 405 625 675 1125 1875 2025 3125 3375 5625 9375 10125 16875 28125 50625 84375 253125 286333 858999 1431665 2576997 4294995 7158325 7730991 12884985 21474975 23192973 35791625 38654955 64424925 107374875 115964865 178958125 193274775 322124625 536874375 579824325 894790625 966373875 1610623125 2684371875 2899121625 4831869375 8053115625 14495608125 24159346875 72478040625
• Sum of all divisors σ(n): 135328893084
• Sum of proper divisors (its aliquot sum) s(n): 62850852459
• 72478040625 is a deficient number, because the sum of its proper divisors (62850852459) is less than itself. Its deficiency is 9627188166

Bases of 72478040625

• Binary: 1000011100000000001110010001000110001₂
• Hexadecimal: 0x10E0072231
• Base-36: XANJY29

Squares and roots of 72478040625

• 72478040625 squared (72478040625²) is 5253066372839150390625
• 72478040625 cubed (72478040625³) is 380731957976457338602203369140625
• The square root of 72478040625 is 269217.4597328339
• The cube root of 72478040625 is 4169.3544236359

Scales and comparisons

• 72,478,040,625 seconds is equal to 2,304 years, 30 weeks, 5 hours, 3 minutes, 45 seconds.
• To count from 1 to 72,478,040,625 would take you about four thousand, six hundred 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 72478040625 cubic inches would be around 347.4 feet tall.

Recreational maths with 72478040625

• 72478040625 backwards is 52604087427
• 72478040625 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72478040625's digits is 45
• More coming soon!