680720

680,720 is an even composite number composed of four prime numbers multiplied together.

What does the number 680720 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

680720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 680720:

2⁴ × 5 × 67 × 127

(2 × 2 × 2 × 2 × 5 × 67 × 127)

See below for interesting mathematical facts about the number 680720 from the Numbermatics database.

Names of 680720

Cardinal: 680720 can be written as Six hundred eighty thousand, seven hundred twenty.

Scientific notation

Scientific notation: 6.8072 × 10⁵

Factors of 680720

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 201

Divisors of 680720

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 16 20 40 67 80 127 134 254 268 335 508 536 635 670 1016 1072 1270 1340 2032 2540 2680 5080 5360 8509 10160 17018 34036 42545 68072 85090 136144 170180 340360 680720
Sum of all divisors σ(n): 1618944
Sum of proper divisors (its aliquot sum) s(n): 938224
680720 is an abundant number, because the sum of its proper divisors (938224) is greater than itself. Its abundance is 257504

Bases of 680720

Binary: 10100110001100010000₂
Hexadecimal: 0xA6310
Base-36: EL8W

Squares and roots of 680720

680720 squared (680720²) is 463379718400
680720 cubed (680720³) is 315431841909248000
The square root of 680720 is 825.0575737485
The cube root of 680720 is 87.9676189403

Scales and comparisons

How big is 680720?

680,720 seconds is equal to 1 week, 21 hours, 5 minutes, 20 seconds.
To count from 1 to 680,720 would take you about twenty-one hours!

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 680720 cubic inches would be around 7.3 feet tall.

Recreational maths with 680720

680720 backwards is 027086
The number of decimal digits it has is: 6
The sum of 680720's digits is 23
More coming soon!

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The information we have on file for 680720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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