745328642

Names of 745328642

• Cardinal: 745328642 can be written as Seven hundred forty-five million, three hundred twenty-eight thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 7.45328642 × 10⁸

Factors of 745328642

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 485380

Divisors of 745328642

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 769 1538 484609 969218 372664321 745328642
• Sum of all divisors σ(n): 1119449100
• Sum of proper divisors (its aliquot sum) s(n): 374120458
• 745328642 is a deficient number, because the sum of its proper divisors (374120458) is less than itself. Its deficiency is 371208184

Bases of 745328642

• Binary: 101100011011001101000000000010₂
• Hexadecimal: 0x2C6CD002
• Base-36: CBQZ9E

Squares and roots of 745328642

• 745328642 squared (745328642²) is 555514784585564164
• 745328642 cubed (745328642³) is 414041080006081071157985288
• The square root of 745328642 is 27300.7077197643
• The cube root of 745328642 is 906.6700507791

Scales and comparisons

• 745,328,642 seconds is equal to 23 years, 36 weeks, 2 days, 11 hours, 44 minutes, 2 seconds.
• To count from 1 to 745,328,642 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 745328642 cubic inches would be around 75.6 feet tall.

Recreational maths with 745328642

• 745328642 backwards is 246823547
• The number of decimal digits it has is: 9
• The sum of 745328642's digits is 41
• More coming soon!