680890

680,890 is an even composite number composed of five prime numbers multiplied together.

What does the number 680890 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

680890 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 680890:

2 × 5 × 7 × 71 × 137

See below for interesting mathematical facts about the number 680890 from the Numbermatics database.

Names of 680890

Cardinal: 680890 can be written as Six hundred eighty thousand, eight hundred ninety.

Scientific notation

Scientific notation: 6.8089 × 10⁵

Factors of 680890

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 222

Divisors of 680890

Number of divisors d(n): 32
Complete list of divisors:
1 2 5 7 10 14 35 70 71 137 142 274 355 497 685 710 959 994 1370 1918 2485 4795 4970 9590 9727 19454 48635 68089 97270 136178 340445 680890
Sum of all divisors σ(n): 1430784
Sum of proper divisors (its aliquot sum) s(n): 749894
680890 is an abundant number, because the sum of its proper divisors (749894) is greater than itself. Its abundance is 69004

Bases of 680890

Binary: 10100110001110111010₂
Hexadecimal: 0xA63BA
Base-36: ELDM

Squares and roots of 680890

680890 squared (680890²) is 463611192100
680890 cubed (680890³) is 315668224588969000
The square root of 680890 is 825.1605904309
The cube root of 680890 is 87.9749412121

Scales and comparisons

How big is 680890?

680,890 seconds is equal to 1 week, 21 hours, 8 minutes, 10 seconds.
To count from 1 to 680,890 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 680890 cubic inches would be around 7.3 feet tall.

Recreational maths with 680890

680890 backwards is 098086
The number of decimal digits it has is: 6
The sum of 680890's digits is 31
More coming soon!

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The information we have on file for 680890 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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