72064523502291221

Names of 72064523502291221

• Cardinal: 72064523502291221 can be written as Seventy-two quadrillion, sixty-four trillion, five hundred twenty-three billion, five hundred two million, two hundred ninety-one thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 7.2064523502291221 × 10¹⁶

Factors of 72064523502291221

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 37842

Divisors of 72064523502291221

• Number of divisors d(n): 12
• Complete list of divisors:
  1 11 121 1331 37831 416141 4577551 50353061 1431184561 15743030171 173173331881 1904906650691
• Sum of all divisors σ(n): 72064713905223882
• Sum of proper divisors (its aliquot sum) s(n): 190402932661
• 72064523502291221 is a deficient number, because the sum of its proper divisors (190402932661) is less than itself. Its deficiency is 72064333099358560

Bases of 72064523502291221

• Binary: 100000000000001100100110101100100010000110000100100010101₂
• Hexadecimal: 0x100064D64430915
• Base-36: JPKQP2AEM1H

Squares and roots of 72064523502291221

• 72064523502291221 squared (72064523502291221²) is 5193295547612283749201636693670841
• 72064523502291221 cubed (72064523502291221³) is 374252369045249778950905218133634145736172697986861
• The square root of 72064523502291221 is 268448362.8228922931
• 72064523502291221 is a perfect cube number. Its cube root is 416141

Scales and comparisons

• 72,064,523,502,291,221 seconds is equal to 2,291,428,937 years, 8 weeks, 4 days, 8 hours, 53 minutes, 41 seconds.
• To count from 1 to 72,064,523,502,291,221 would take you about six billion, eight hundred seventy-four million, two hundred eighty-six thousand, eight hundred eleven 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 72064523502291221 cubic inches would be around 34678.4 feet tall.

Recreational maths with 72064523502291221

• 72064523502291221 backwards is 12219220532546027
• The number of decimal digits it has is: 17
• The sum of 72064523502291221's digits is 53
• More coming soon!