72155155102015501

Names of 72155155102015501

• Cardinal: 72155155102015501 can be written as Seventy-two quadrillion, one hundred fifty-five trillion, one hundred fifty-five billion, one hundred two million, fifteen thousand, five hundred one.

Scientific notation

• Scientific notation: 7.2155155102015501 × 10¹⁶

Factors of 72155155102015501

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 413968691471

Divisors of 72155155102015501

• Number of divisors d(n): 8
• Complete list of divisors:
  1 17 10253 174301 413968681201 7037467580417 4244420888353853 72155155102015501
• Sum of all divisors σ(n): 76407027426815544
• Sum of proper divisors (its aliquot sum) s(n): 4251872324800043
• 72155155102015501 is a deficient number, because the sum of its proper divisors (4251872324800043) is less than itself. Its deficiency is 67903282777215458

Bases of 72155155102015501

• Binary: 100000000010110001011101100110100100100011010000000001101₂
• Hexadecimal: 0x10058BB3491A00D
• Base-36: JQGV8N8UCR1

Squares and roots of 72155155102015501

• 72155155102015501 squared (72155155102015501²) is 5206366407795913584522472444281001
• 72155155102015501 cubed (72155155102015501³) is 375666175672437430538695030278090362872175901796501
• The square root of 72155155102015501 is 268617116.1747060023
• The cube root of 72155155102015501 is 416315.3794904467

Scales and comparisons

• 72,155,155,102,015,501 seconds is equal to 2,294,310,741 years, 36 weeks, 1 day, 45 minutes, 1 second.
• To count from 1 to 72,155,155,102,015,501 would take you about six billion, eight hundred eighty-two million, nine hundred thirty-two thousand, two hundred twenty-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 72155155102015501 cubic inches would be around 34692.9 feet tall.

Recreational maths with 72155155102015501

• 72155155102015501 backwards is 10551020155155127
• The number of decimal digits it has is: 17
• The sum of 72155155102015501's digits is 46
• More coming soon!