72005135040

Names of 72005135040

• Cardinal: 72005135040 can be written as Seventy-two billion, five million, one hundred thirty-five thousand and forty.

Scientific notation

• Scientific notation: 7.200513504 × 10¹⁰

Factors of 72005135040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 25001793

Divisors of 72005135040

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 25001783 50003566 75005349 100007132 125008915 150010698 200014264 225016047 250017830 300021396 375026745 400028528 450032094 500035660 600042792 750053490 800057056 900064188 1000071320 1125080235 1200085584 1500106980 1600114112 1800128376 2000142640 2250160470 2400171168 3000213960 3600256752 4000285280 4500320940 4800342336 6000427920 7200513504 8000570560 9000641880 12000855840 14401027008 18001283760 24001711680 36002567520 72005135040
• Sum of all divisors σ(n): 247667672304
• Sum of proper divisors (its aliquot sum) s(n): 175662537264
• 72005135040 is an abundant number, because the sum of its proper divisors (175662537264) is greater than itself. Its abundance is 103657402224

Bases of 72005135040

• Binary: 1000011000011110101110010101011000000₂
• Hexadecimal: 0x10C3D72AC0
• Base-36: X2TZXS0

Squares and roots of 72005135040

• 72005135040 squared (72005135040²) is 5184739472128635801600
• 72005135040 cubed (72005135040³) is 373327865837840737145186648064000
• The square root of 72005135040 is 268337.7257114623
• The cube root of 72005135040 is 4160.2665448049

Scales and comparisons

• 72,005,135,040 seconds is equal to 2,289 years, 28 weeks, 18 hours, 24 minutes.
• To count from 1 to 72,005,135,040 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 72005135040 cubic inches would be around 346.7 feet tall.

Recreational maths with 72005135040

• 72005135040 backwards is 04053150027
• The number of decimal digits it has is: 11
• The sum of 72005135040's digits is 27
• More coming soon!