126840

126,840 is an even composite number composed of five prime numbers multiplied together.

What does the number 126840 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 64 divisors.

126840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.

Prime factorization of 126840:

2³ × 3 × 5 × 7 × 151

(2 × 2 × 2 × 3 × 5 × 7 × 151)

See below for interesting mathematical facts about the number 126840 from the Numbermatics database.

Names of 126840

Cardinal: 126840 can be written as One hundred twenty-six thousand, eight hundred forty.

Scientific notation

Scientific notation: 1.2684 × 10⁵

Factors of 126840

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 7
Sum of prime factors: 168

Divisors of 126840

Number of divisors d(n): 64
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 151 168 210 280 302 420 453 604 755 840 906 1057 1208 1510 1812 2114 2265 3020 3171 3624 4228 4530 5285 6040 6342 8456 9060 10570 12684 15855 18120 21140 25368 31710 42280 63420 126840
Sum of all divisors σ(n): 437760
Sum of proper divisors (its aliquot sum) s(n): 310920
126840 is an abundant number, because the sum of its proper divisors (310920) is greater than itself. Its abundance is 184080

Bases of 126840

Binary: 11110111101111000₂
Hexadecimal: 0x1EF78
Base-36: 2PVC

Squares and roots of 126840

126840 squared (126840²) is 16088385600
126840 cubed (126840³) is 2040650829504000
The square root of 126840 is 356.1460374621
The cube root of 126840 is 50.2441393127

Scales and comparisons

How big is 126840?

126,840 seconds is equal to 1 day, 11 hours, 14 minutes.
To count from 1 to 126,840 would take you about eleven 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 126840 cubic inches would be around 4.2 feet tall.

Recreational maths with 126840

126840 backwards is 048621
126840 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 126840's digits is 21
More coming soon!

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The information we have on file for 126840 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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