745609728
745,609,728 is an even composite number composed of three prime numbers multiplied together.
745609728 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty divisors.
Prime factorization of 745609728:
29 × 3 × 485423
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 485423)See below for interesting mathematical facts about the number 745609728 from the Numbermatics database.
Names of 745609728
- Cardinal: 745609728 can be written as Seven hundred forty-five million, six hundred nine thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 7.45609728 × 108
Factors of 745609728
Divisors of 745609728
- Number of divisors d(n): 40
- Complete list of divisors:
- Sum of all divisors σ(n): 1986355008
- Sum of proper divisors (its aliquot sum) s(n): 1240745280
- 745609728 is an abundant number, because the sum of its proper divisors (1240745280) is greater than itself. Its abundance is 495135552
Bases of 745609728
- Binary: 1011000111000100011010000000002
- Hexadecimal: 0x2C711A00
- Base-36: CBX05C
Squares and roots of 745609728
- 745609728 squared (7456097282) is 555933866488233984
- 745609728 cubed (7456097283) is 414509698978280456010596352
-
The
square root of 745609728 is 27305.8551962761 -
The
cube root of 745609728 is 906.7840140309
Scales and comparisons
How big is 745609728?- 745,609,728 seconds is equal to 23 years, 36 weeks, 5 days, 17 hours, 48 minutes, 48 seconds.
-
To count from 1 to 745,609,728 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 745609728 cubic inches would be around 75.6 feet tall.
Recreational maths with 745609728
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