745427139

Names of 745427139

• Cardinal: 745427139 can be written as Seven hundred forty-five million, four hundred twenty-seven thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 7.45427139 × 10⁸

Factors of 745427139

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1725

Divisors of 745427139

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 53 159 1669 2809 5007 8427 88457 148877 265371 446631 4688221 14064663 248475713 745427139
• Sum of all divisors σ(n): 1013623200
• Sum of proper divisors (its aliquot sum) s(n): 268196061
• 745427139 is a deficient number, because the sum of its proper divisors (268196061) is less than itself. Its deficiency is 477231078

Bases of 745427139

• Binary: 101100011011100101000011000011₂
• Hexadecimal: 0x2C6E50C3
• Base-36: CBT39F

Squares and roots of 745427139

• 745427139 squared (745427139²) is 555661619557725321
• 745427139 cubed (745427139³) is 414205251319021631380886619
• The square root of 745427139 is 27302.5115877643
• The cube root of 745427139 is 906.7099885735

Scales and comparisons

• 745,427,139 seconds is equal to 23 years, 36 weeks, 3 days, 15 hours, 5 minutes, 39 seconds.
• To count from 1 to 745,427,139 would take you about thirty-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 745427139 cubic inches would be around 75.6 feet tall.

Recreational maths with 745427139

• 745427139 backwards is 931724547
• The number of decimal digits it has is: 9
• The sum of 745427139's digits is 42
• More coming soon!