21091380 (number)
21091380 is an even 8-digits composite number following 21091379 and preceding 21091381. In scientific notation, it is written as 2.1091380 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5586048 positive integers (up to 21091380) that are relatively prime to 21091380.
Interesting facts
- 21091380 has 48 divisors, whose sum is 59458560
- The reverse of 21091380 is 08319012
- Previous prime number is 157
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty-one million ninety-one thousand three hundred eighty |
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Notation
Scientific notation | 2.1091380 × 10^7 |
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Engineering notation | 2.1091380 × 10^6 |
Prime Factorization of 21091380
Prime Factorization 2 × 2 × 3 × 5 × 157 × 2239
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10545690 | Product of the distinct prime numbers |
The prime factorization of 21091380 is 2 × 2 × 3 × 5 × 157 × 2239. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21091380)
Multiplication
n×yn×2 | 42182760 |
---|---|
n×3 | 63274140 |
n×4 | 84365520 |
n×5 | 105456900 |
Division
n÷yn÷2 | 10545690 |
---|---|
n÷3 | 7030460 |
n÷3 | 5272845 |
n÷5 | 4218276 |
Exponentiation
nyn2 | 444846310304400 |
---|---|
n3 | 9.382422572228E+21 |
n4 | 1.9788823979144E+29 |
n5 | 4.1737360629724E+36 |
Nth Root
y√n2√n | 4592.5352475512 |
---|---|
3√n | 276.29201397531 |
4√n | 67.768246602308 |
5√n | 29.162248022107 |
Divisors of 21091380
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 | -21091379 | 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 21091380 can be divided by 48 positive divisors. The sum of these divisors (counting 21091380) is 1, the average is 0.020833333333333.
Base conversion 21091380
Base | System | Value |
---|---|---|
2 | Binary | 1010000011101010000110100 |
3 | Ternary | 1110200112221020 |
4 | Quaternary | 1100131100310 |
5 | Quinary | 20344411010 |
6 | Senary | 2032021140 |
8 | Octal | 120352064 |
10 | Decimal | 21091380 |
12 | Duodecimal | 70917b0 |
16 | Hexadecimal | 141d434 |
20 | Vigesimal | 6bg890 |
36 | Base36 | ck27o |
Cryptographic Hash Functions
md5 | e2f9f8fe94dc049b39b35593a299cb87 |
---|---|
sha1 | c0dc77ad415535f2ab05671d5d6828df737138f5 |
sha256 | 3e9ca811a7ec2743af2ef7b492c24cbe5f37793622bfe7a1033fed37197cf88f |
sha512 | 83b79385e69a4b84e3dae25d0f8b91e4a0ddac20d684eaf7c59c168515376fb6d015437acaad22f008a49fa211ecfa1bd5dab977091579779ae6d14f33afdcbb |
ripemd-160 | 4fb4c66b289d0f23a33637b27a523bb3157b8422 |
21091380 as geometric shapes
Circle
Radius = nDiameter | 42182760 |
---|---|
Circumference | 132521048.92414 |
Area | 1.3975259004288E+15 |
Sphere
Radius = nVolume | 3.9300999767715E+22 |
---|---|
Surface area | 5.5901036017153E+15 |
Circumference | 132521048.92414 |
Square
Length = nPerimeter | 84365520 |
---|---|
Area | 444846310304400 |
Diagonal | 29827715.645165 |
Cube
Length = nSurface area | 2669077861826400 |
---|---|
Volume | 9.382422572228E+21 |
Space diagonal | 36531341.761742 |
Equilateral Triangle
Length = nPerimeter | 63274140 |
---|---|
Area | 1.9262410275169E+14 |
Altitude | 18265670.880871 |
Triangular Pyramid
Length = nSurface area | 1.9262410275169E+14 |
---|---|
Volume | 1.10572910413E+21 |
Height | 9942571.8817216 |