21365540 (number)
21365540 is an even 8-digits composite number following 21365539 and preceding 21365541. In scientific notation, it is written as 2.1365540 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 48 positive divisors. There are 7248000 positive integers (up to 21365540) that are relatively prime to 21365540.
Interesting facts
- 21365540 has 48 divisors, whose sum is 51819264
- The reverse of 21365540 is 04556312
- Previous prime number is 101
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 26
- Digital Root 8
Name
Name | twenty-one million three hundred sixty-five thousand five hundred forty |
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Notation
Scientific notation | 2.1365540 × 10^7 |
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Engineering notation | 2.1365540 × 10^6 |
Prime Factorization of 21365540
Prime Factorization 2 × 2 × 5 × 7 × 101 × 1511
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10682770 | Product of the distinct prime numbers |
The prime factorization of 21365540 is 2 × 2 × 5 × 7 × 101 × 1511. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21365540)
Multiplication
n×yn×2 | 42731080 |
---|---|
n×3 | 64096620 |
n×4 | 85462160 |
n×5 | 106827700 |
Division
n÷yn÷2 | 10682770 |
---|---|
n÷3 | 7121846.6666667 |
n÷3 | 5341385 |
n÷5 | 4273108 |
Exponentiation
nyn2 | 456486299491600 |
---|---|
n3 | 9.7530762912398E+21 |
n4 | 2.0837974162353E+29 |
n5 | 4.4521457048473E+36 |
Nth Root
y√n2√n | 4622.2873125759 |
---|---|
3√n | 277.48400741101 |
4√n | 67.987405543791 |
5√n | 29.2376709941 |
Divisors of 21365540
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21365539 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) |
G | Geometric Mean | 1 | Returns the nth root of the product of n divisors |
H | Harmonic Mean | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21365540 can be divided by 48 positive divisors. The sum of these divisors (counting 21365540) is 1, the average is 0.020833333333333.
Base conversion 21365540
Base | System | Value |
---|---|---|
2 | Binary | 1010001100000001100100100 |
3 | Ternary | 1111012111000022 |
4 | Quaternary | 1101200030210 |
5 | Quinary | 20432144130 |
6 | Senary | 2041534312 |
8 | Octal | 121401444 |
10 | Decimal | 21365540 |
12 | Duodecimal | 71a4398 |
16 | Hexadecimal | 1460324 |
20 | Vigesimal | 6dadh0 |
36 | Base36 | cpxr8 |
Cryptographic Hash Functions
md5 | 7e3cd8af46df467354a6518b564a27f8 |
---|---|
sha1 | f4bcfdcc5b74cac48ef36f788b77e87f22694e83 |
sha256 | 4074f2e5d5177ee162cbca69dd0d7243e2a5830894f7ab9399766121d6a307e6 |
sha512 | 98de0e520bafadfdba059ce6e94e587e68ee237ad7147c34ac461bc016dfdc914fb9ce00b0154c86ba4f5ed7bb3b5f2ea3aa6782a6a0fdee5686b81971d0a538 |
ripemd-160 | 9187640fc7206a954108825c8e547369f025fe11 |
21365540 as geometric shapes
Circle
Radius = nDiameter | 42731080 |
---|---|
Circumference | 134243647.00796 |
Area | 1.4340940049472E+15 |
Sphere
Radius = nVolume | 4.0853590435279E+22 |
---|---|
Surface area | 5.7363760197888E+15 |
Circumference | 134243647.00796 |
Square
Length = nPerimeter | 85462160 |
---|---|
Area | 456486299491600 |
Diagonal | 30215436.435425 |
Cube
Length = nSurface area | 2738917796949600 |
---|---|
Volume | 9.7530762912398E+21 |
Space diagonal | 37006200.811145 |
Equilateral Triangle
Length = nPerimeter | 64096620 |
---|---|
Area | 1.9766436591964E+14 |
Altitude | 18503100.405573 |
Triangular Pyramid
Length = nSurface area | 1.9766436591964E+14 |
---|---|
Volume | 1.1494110638276E+21 |
Height | 10071812.145142 |