72009461255471640

Names of 72009461255471640

• Cardinal: 72009461255471640 can be written as Seventy-two quadrillion, nine trillion, four hundred sixty-one billion, two hundred fifty-five million, four hundred seventy-one thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.200946125547164 × 10¹⁶

Factors of 72009461255471640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 200026281265209

Divisors of 72009461255471640

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 200026281265199 400052562530398 600078843795597 800105125060796 1000131406325995 1200157687591194 1600210250121592 1800236531386791 2000262812651990 2400315375182388 3000394218977985 3600473062773582 4000525625303980 4800630750364776 6000788437955970 7200946125547164 8001051250607960 9001182656933955 12001576875911940 14401892251094328 18002365313867910 24003153751823880 36004730627735820 72009461255471640
• Sum of all divisors σ(n): 234030749080284000
• Sum of proper divisors (its aliquot sum) s(n): 162021287824812360
• 72009461255471640 is an abundant number, because the sum of its proper divisors (162021287824812360) is greater than itself. Its abundance is 90011826569340720

Bases of 72009461255471640

• Binary: 11111111110101000011100100110110100110011000001000011000₂
• Hexadecimal: 0xFFD43936998218
• Base-36: JP181TEBBQ0

Squares and roots of 72009461255471640

• 72009461255471640 squared (72009461255471640²) is 5185362510303271259637838844289600
• 72009461255471640 cubed (72009461255471640³) is 373395160781258574445005436446701519511968746944000
• The square root of 72009461255471640 is 268345786.7294950467
• The cube root of 72009461255471640 is 416034.9862237889

Scales and comparisons

• 72,009,461,255,471,640 seconds is equal to 2,289,678,128 years, 1 week, 5 days, 23 hours, 54 minutes.
• To count from 1 to 72,009,461,255,471,640 would take you about six billion, eight hundred sixty-nine million, thirty-four thousand, three hundred eighty-four 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 72009461255471640 cubic inches would be around 34669.6 feet tall.

Recreational maths with 72009461255471640

• 72009461255471640 backwards is 04617455216490027
• The number of decimal digits it has is: 17
• The sum of 72009461255471640's digits is 63
• More coming soon!