72147050875421

Names of 72147050875421

• Cardinal: 72147050875421 can be written as Seventy-two trillion, one hundred forty-seven billion, fifty million, eight hundred seventy-five thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 7.2147050875421 × 10¹³

Factors of 72147050875421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1361265110910

Divisors of 72147050875421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 53 1361265110857 72147050875421
• Sum of all divisors σ(n): 73508315986332
• Sum of proper divisors (its aliquot sum) s(n): 1361265110911
• 72147050875421 is a deficient number, because the sum of its proper divisors (1361265110911) is less than itself. Its deficiency is 70785785764510

Bases of 72147050875421

• Binary: 10000011001111000001011010101101100101000011101₂
• Hexadecimal: 0x419E0B56CA1D
• Base-36: PKNWBB57H

Squares and roots of 72147050875421

• 72147050875421 squared (72147050875421²) is 5205196950020586082461927241
• 72147050875421 cubed (72147050875421³) is 375539609169721444304656276647691857243461
• The square root of 72147050875421 is 8493942.0103636803
• The cube root of 72147050875421 is 41629.9792521463

Scales and comparisons

• 72,147,050,875,421 seconds is equal to 2,294,053 years, 2 weeks, 5 days, 1 hour, 23 minutes, 41 seconds.
• To count from 1 to 72,147,050,875,421 would take you about five million, seven hundred thirty-five thousand, one hundred thirty-two 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 72147050875421 cubic inches would be around 3469.2 feet tall.

Recreational maths with 72147050875421

• 72147050875421 backwards is 12457805074127
• 72147050875421 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 72147050875421's digits is 53
• More coming soon!