21343750

21,343,750 is an even composite number composed of three prime numbers multiplied together.

What does the number 21343750 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

21343750 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 21343750:

2 × 5⁶ × 683

(2 × 5 × 5 × 5 × 5 × 5 × 5 × 683)

See below for interesting mathematical facts about the number 21343750 from the Numbermatics database.

Names of 21343750

Cardinal: 21343750 can be written as Twenty-one million, three hundred forty-three thousand, seven hundred fifty.

Scientific notation

Scientific notation: 2.134375 × 10⁷

Factors of 21343750

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 690

Divisors of 21343750

Number of divisors d(n): 28
Complete list of divisors:
1 2 5 10 25 50 125 250 625 683 1250 1366 3125 3415 6250 6830 15625 17075 31250 34150 85375 170750 426875 853750 2134375 4268750 10671875 21343750
Sum of all divisors σ(n): 40077612
Sum of proper divisors (its aliquot sum) s(n): 18733862
21343750 is a deficient number, because the sum of its proper divisors (18733862) is less than itself. Its deficiency is 2609888

Bases of 21343750

Binary: 1010001011010111000000110₂
Hexadecimal: 0x145AE06
Base-36: CPGXY

Squares and roots of 21343750

21343750 squared (21343750²) is 455555664062500
21343750 cubed (21343750³) is 9723266204833984375000
The square root of 21343750 is 4619.9296531441
The cube root of 21343750 is 277.3896431031

Scales and comparisons

How big is 21343750?

21,343,750 seconds is equal to 35 weeks, 2 days, 49 minutes, 10 seconds.
To count from 1 to 21,343,750 would take you about six 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 21343750 cubic inches would be around 23.1 feet tall.

Recreational maths with 21343750

21343750 backwards is 05734312
21343750 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21343750's digits is 25
More coming soon!

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The information we have on file for 21343750 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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