21406380

21,406,380 is an even composite number composed of five prime numbers multiplied together.

What does the number 21406380 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21406380 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21406380:

2² × 3 × 5 × 59 × 6047

(2 × 2 × 3 × 5 × 59 × 6047)

See below for interesting mathematical facts about the number 21406380 from the Numbermatics database.

Names of 21406380

Cardinal: 21406380 can be written as Twenty-one million, four hundred six thousand, three hundred eighty.

Scientific notation

Scientific notation: 2.140638 × 10⁷

Factors of 21406380

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 6116

Divisors of 21406380

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 6047 12094 18141 24188 30235 36282 60470 72564 90705 120940 181410 356773 362820 713546 1070319 1427092 1783865 2140638 3567730 4281276 5351595 7135460 10703190 21406380
Sum of all divisors σ(n): 60963840
Sum of proper divisors (its aliquot sum) s(n): 39557460
21406380 is an abundant number, because the sum of its proper divisors (39557460) is greater than itself. Its abundance is 18151080

Bases of 21406380

Binary: 1010001101010001010101100₂
Hexadecimal: 0x146A2AC
Base-36: CQT9O

Squares and roots of 21406380

21406380 squared (21406380²) is 458233104704400
21406380 cubed (21406380³) is 9809111967882174072000
The square root of 21406380 is 4626.7029297329
The cube root of 21406380 is 277.6606974441

Scales and comparisons

How big is 21406380?

21,406,380 seconds is equal to 35 weeks, 2 days, 18 hours, 13 minutes.
To count from 1 to 21,406,380 would take you about fifteen 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 21406380 cubic inches would be around 23.1 feet tall.

Recreational maths with 21406380

21406380 backwards is 08360412
The number of decimal digits it has is: 8
The sum of 21406380's digits is 24
More coming soon!

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The information we have on file for 21406380 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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