72923421140870161

Names of 72923421140870161

• Cardinal: 72923421140870161 can be written as Seventy-two quadrillion, nine hundred twenty-three trillion, four hundred twenty-one billion, one hundred forty million, eight hundred seventy thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 7.2923421140870161 × 10¹⁶

Factors of 72923421140870161

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 60310

Divisors of 72923421140870161

• Number of divisors d(n): 6
• Complete list of divisors:
  1 4871 55439 270043369 3073482721 14970934333991
• Sum of all divisors σ(n): 72923424484456562
• Sum of proper divisors (its aliquot sum) s(n): 3343586401
• 72923421140870161 is a deficient number, because the sum of its proper divisors (3343586401) is less than itself. Its deficiency is 72923417797283760

Bases of 72923421140870161

• Binary: 100000011000100110111011100010100111010000110010000010001₂
• Hexadecimal: 0x103137714E86411
• Base-36: JY1716WC3DD

Squares and roots of 72923421140870161

• 72923421140870161 squared (72923421140870161²) is 5317825350888709133725964260165921
• 72923421140870161 cubed (72923421140870161³) is 387794017616452973654817739125180102145560177983281
• 72923421140870161 is a perfect square number. Its square root is 270043369
• The cube root of 72923421140870161 is 417787.7273979237

Scales and comparisons

• 72,923,421,140,870,161 seconds is equal to 2,318,739,225 years, 17 weeks, 7 hours, 56 minutes, 1 second.
• To count from 1 to 72,923,421,140,870,161 would take you about six billion, nine hundred fifty-six million, two hundred seventeen thousand, six hundred seventy-five 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 72923421140870161 cubic inches would be around 34815.6 feet tall.

Recreational maths with 72923421140870161

• 72923421140870161 backwards is 16107804112432927
• The number of decimal digits it has is: 17
• The sum of 72923421140870161's digits is 58
• More coming soon!