21132813 (number)

21132813 is an odd 8-digits composite number following 21132812 and preceding 21132814. In scientific notation, it is written as 2.1132813 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 12932160 positive integers (up to 21132813) that are relatively prime to 21132813.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-two thousand eight hundred thirteen

Notation

Scientific notation 2.1132813 × 10^7
Engineering notation 2.1132813 × 10^6

Prime Factorization of 21132813

Prime Factorization 3 × 13 × 191 × 2837

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21132813
Product of the distinct prime numbers

The prime factorization of 21132813 is 3 × 13 × 191 × 2837. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21132813)

Multiplication

n×y
n×2 42265626
n×3 63398439
n×4 84531252
n×5 105664065

Division

n÷y
n÷2 10566406.5
n÷3 7044271
n÷3 5283203.25
n÷5 4226562.6

Exponentiation

ny
n2 446595785292969
n3 9.4378252171845E+21
n4 1.9944779544144E+29
n5 4.2148929643263E+36

Nth Root

y√n
2√n 4597.0439414911
3√n 276.47281641837
4√n 67.801503976616
5√n 29.173696595858

Divisors of 21132813

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21132812
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21132813 can be divided by 16 positive divisors. The sum of these divisors (counting 21132813) is 1, the average is 0.0625.

Base conversion 21132813

Base System Value
2 Binary 1010000100111011000001101
3 Ternary 1110202122202210
4 Quaternary 1100213120031
5 Quinary 20402222223
6 Senary 2032541033
8 Octal 120473015
10 Decimal 21132813
12 Duodecimal 70b1779
16 Hexadecimal 142760d
20 Vigesimal 6c1c0d
36 Base36 cky6l

Cryptographic Hash Functions

md5 d43d93021f949c8d7a24dc012a541f83
sha1 4cb6efb89a8ba2faec76e373b4d475c235c21d47
sha256 299a722964f95f9c3f7f10eef6c86bd7a0fc55f32b5bb7afe3dcb95b9ddec228
sha512 ec79743e11f7740ceed8068d38e48e35fcbfec4dba2cda4f68247ea9b5109c04a0c2b073275b513d04a1278ee27632691859aa7c8462ccf8bcbb7bc2b1417ff0
ripemd-160 1c7cdba35d199c7056fdd4bccb6d7f11a13a5cb4

21132813 as geometric shapes

Circle

Radius = n
Diameter 42265626
Circumference 132781380.14097
Area 1.4030220382006E+15

Sphere

Radius = n
Volume 3.9533069824228E+22
Surface area 5.6120881528022E+15
Circumference 132781380.14097

Square

Length = n
Perimeter 84531252
Area 446595785292969
Diagonal 29886310.755694

Cube

Length = n
Surface area 2679574711757814
Volume 9.4378252171845E+21
Space diagonal 36603105.822852

Equilateral Triangle

Length = n
Perimeter 63398439
Area 1.9338164764339E+14
Altitude 18301552.911426

Triangular Pyramid

Length = n
Surface area 1.9338164764339E+14
Volume 1.1122583684541E+21
Height 9962103.5852315