21454040

21,454,040 is an even composite number composed of four prime numbers multiplied together.

What does the number 21454040 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

21454040 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21454040:

2³ × 5 × 19 × 28229

(2 × 2 × 2 × 5 × 19 × 28229)

See below for interesting mathematical facts about the number 21454040 from the Numbermatics database.

Names of 21454040

Cardinal: 21454040 can be written as Twenty-one million, four hundred fifty-four thousand and forty.

Scientific notation

Scientific notation: 2.145404 × 10⁷

Factors of 21454040

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 28255

Divisors of 21454040

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 28229 56458 112916 141145 225832 282290 536351 564580 1072702 1129160 2145404 2681755 4290808 5363510 10727020 21454040
Sum of all divisors σ(n): 50814000
Sum of proper divisors (its aliquot sum) s(n): 29359960
21454040 is an abundant number, because the sum of its proper divisors (29359960) is greater than itself. Its abundance is 7905920

Bases of 21454040

Binary: 1010001110101110011011000₂
Hexadecimal: 0x1475CD8
Base-36: CRU1K

Squares and roots of 21454040

21454040 squared (21454040²) is 460275832321600
21454040 cubed (21454040³) is 9874776117660899264000
The square root of 21454040 is 4631.8506020811
The cube root of 21454040 is 277.8666095743

Scales and comparisons

How big is 21454040?

21,454,040 seconds is equal to 35 weeks, 3 days, 7 hours, 27 minutes, 20 seconds.
To count from 1 to 21,454,040 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 21454040 cubic inches would be around 23.2 feet tall.

Recreational maths with 21454040

21454040 backwards is 04045412
21454040 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21454040's digits is 20
More coming soon!

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The information we have on file for 21454040 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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