72485502720

Names of 72485502720

• Cardinal: 72485502720 can be written as Seventy-two billion, four hundred eighty-five million, five hundred two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 7.248550272 × 10¹⁰

Factors of 72485502720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 18876443

Divisors of 72485502720

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 18876433 37752866 56629299 75505732 94382165 113258598 151011464 188764330 226517196 283146495 302022928 377528660 453034392 566292990 604045856 755057320 906068784 1132585980 1208091712 1510114640 1812137568 2265171960 2416183424 3020229280 3624275136 4530343920 4832366848 6040458560 7248550272 9060687840 12080917120 14497100544 18121375680 24161834240 36242751360 72485502720
• Sum of all divisors σ(n): 231500586576
• Sum of proper divisors (its aliquot sum) s(n): 159015083856
• 72485502720 is an abundant number, because the sum of its proper divisors (159015083856) is greater than itself. Its abundance is 86529581136

Bases of 72485502720

• Binary: 1000011100000011110001111111100000000₂
• Hexadecimal: 0x10E078FF00
• Base-36: XARZVUO

Squares and roots of 72485502720

• 72485502720 squared (72485502720²) is 5254148104571127398400
• 72485502720 cubed (72485502720³) is 380849566725173299470189723648000
• The square root of 72485502720 is 269231.3182376819
• The cube root of 72485502720 is 4169.4975062895

Scales and comparisons

• 72,485,502,720 seconds is equal to 2,304 years, 42 weeks, 2 days, 13 hours, 52 minutes.
• To count from 1 to 72,485,502,720 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 72485502720 cubic inches would be around 347.5 feet tall.

Recreational maths with 72485502720

• 72485502720 backwards is 02720558427
• The number of decimal digits it has is: 11
• The sum of 72485502720's digits is 42
• More coming soon!