261648

261,648 is an even composite number composed of four prime numbers multiplied together.

What does the number 261648 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 60 divisors.

261648 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.

Prime factorization of 261648:

2⁴ × 3² × 23 × 79

(2 × 2 × 2 × 2 × 3 × 3 × 23 × 79)

See below for interesting mathematical facts about the number 261648 from the Numbermatics database.

Names of 261648

Cardinal: 261648 can be written as Two hundred sixty-one thousand, six hundred forty-eight.

Scientific notation

Scientific notation: 2.61648 × 10⁵

Factors of 261648

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 107

Divisors of 261648

Number of divisors d(n): 60
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 23 24 36 46 48 69 72 79 92 138 144 158 184 207 237 276 316 368 414 474 552 632 711 828 948 1104 1264 1422 1656 1817 1896 2844 3312 3634 3792 5451 5688 7268 10902 11376 14536 16353 21804 29072 32706 43608 65412 87216 130824 261648
Sum of all divisors σ(n): 773760
Sum of proper divisors (its aliquot sum) s(n): 512112
261648 is an abundant number, because the sum of its proper divisors (512112) is greater than itself. Its abundance is 250464

Bases of 261648

Binary: 111111111000010000₂
Hexadecimal: 0x3FE10
Base-36: 5LW0

Squares and roots of 261648

261648 squared (261648²) is 68459675904
261648 cubed (261648³) is 17912337280929792
The square root of 261648 is 511.5153956627
The cube root of 261648 is 63.9596099321

Scales and comparisons

How big is 261648?

261,648 seconds is equal to 3 days, 40 minutes, 48 seconds.
To count from 1 to 261,648 would take you about three days.

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 261648 cubic inches would be around 5.3 feet tall.

Recreational maths with 261648

261648 backwards is 846162
The number of decimal digits it has is: 6
The sum of 261648's digits is 27
More coming soon!

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The information we have on file for 261648 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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