123420

123,420 is an even composite number composed of five prime numbers multiplied together.

What does the number 123420 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 72 divisors.

123420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.

Prime factorization of 123420:

2² × 3 × 5 × 11² × 17

(2 × 2 × 3 × 5 × 11 × 11 × 17)

See below for interesting mathematical facts about the number 123420 from the Numbermatics database.

Names of 123420

Cardinal: 123420 can be written as One hundred twenty-three thousand, four hundred twenty.

Scientific notation

Scientific notation: 1.2342 × 10⁵

Factors of 123420

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 7
Sum of prime factors: 38

Divisors of 123420

Number of divisors d(n): 72
Complete list of divisors:
1 2 3 4 5 6 10 11 12 15 17 20 22 30 33 34 44 51 55 60 66 68 85 102 110 121 132 165 170 187 204 220 242 255 330 340 363 374 484 510 561 605 660 726 748 935 1020 1122 1210 1452 1815 1870 2057 2244 2420 2805 3630 3740 4114 5610 6171 7260 8228 10285 11220 12342 20570 24684 30855 41140 61710 123420
Sum of all divisors σ(n): 402192
Sum of proper divisors (its aliquot sum) s(n): 278772
123420 is an abundant number, because the sum of its proper divisors (278772) is greater than itself. Its abundance is 155352

Bases of 123420

Binary: 11110001000011100₂
Hexadecimal: 0x1E21C
Base-36: 2N8C

Squares and roots of 123420

123420 squared (123420²) is 15232496400
123420 cubed (123420³) is 1879994705688000
The square root of 123420 is 351.3118272987
The cube root of 123420 is 49.7884394385

Scales and comparisons

How big is 123420?

123,420 seconds is equal to 1 day, 10 hours, 17 minutes.
To count from 1 to 123,420 would take you about ten 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 123420 cubic inches would be around 4.1 feet tall.

Recreational maths with 123420

123420 backwards is 024321
123420 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 123420's digits is 12
More coming soon!

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The information we have on file for 123420 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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