21132868 (number)

21132868 is an even 8-digits composite number following 21132867 and preceding 21132869. In scientific notation, it is written as 2.1132868 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 10552032 positive integers (up to 21132868) that are relatively prime to 21132868.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1132868 × 10^7
Engineering notation 2.1132868 × 10^6

Prime Factorization of 21132868

Prime Factorization 2 × 2 × 829 × 6373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10566434
Product of the distinct prime numbers

The prime factorization of 21132868 is 2 × 2 × 829 × 6373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 69, 33, 296, 821, 2529, 1761, 70229, 76504, 351627, 355755, 1371670, 1382223, 9571607, 41353434, 112191090, 808354491, 8561300159, 7602095967

Basic calculations (n = 21132868)

Multiplication

n×y
n×2 42265736
n×3 63398604
n×4 84531472
n×5 105664340

Division

n÷y
n÷2 10566434
n÷3 7044289.3333333
n÷3 5283217
n÷5 4226573.6

Exponentiation

ny
n2 446598109905424
n3 9.4378989056808E+21
n4 1.994498717711E+29
n5 4.2149478127555E+36

Nth Root

y√n
2√n 4597.0499235923
3√n 276.47305626641
4√n 67.801548091414
5√n 29.173711781263

Divisors of 21132868

1, 2, 4, 829, 1658, 3316, 6373, 12746, 25492, 5283217, 10566434, 21132868

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21132867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21132868 can be divided by 12 positive divisors. The sum of these divisors (counting 21132868) is 1, the average is 0.083333333333333.

Base conversion 21132868

Base System Value
2 Binary 1010000100111011001000100
3 Ternary 1110202122211211
4 Quaternary 1100213121010
5 Quinary 20402222433
6 Senary 2032541204
8 Octal 120473104
10 Decimal 21132868
12 Duodecimal 70b1804
16 Hexadecimal 1427644
20 Vigesimal 6c1c38
36 Base36 cky84

Cryptographic Hash Functions

md5 d42a025758f61fdc44f3af2c46dc822a
sha1 bf8ef9db1dd184fc6935ff4bc43ebd4be7c8d599
sha256 2f2599c8e2bba72cdb5cf8d3b5b88dfd3c72044db379724beabe8b6a0e64b8e0
sha512 169392d26b0f3ba47189c2681209e0d614daec2c39517b0dc44c72035fd876a19e4f596034b94103a72a2ea5fc58ca48ab973ddf22eac3b140081eba83d12c70
ripemd-160 5534c3fda84d6814489ed151bf382780753bbe65

21132868 as geometric shapes

Circle

Radius = n
Diameter 42265736
Circumference 132781725.71617
Area 1.403029341186E+15

Sphere

Radius = n
Volume 3.953337848988E+22
Surface area 5.6121173647439E+15
Circumference 132781725.71617

Square

Length = n
Perimeter 84531472
Area 446598109905424
Diagonal 29886388.53744

Cube

Length = n
Surface area 2679588659432544
Volume 9.4378989056808E+21
Space diagonal 36603201.085646

Equilateral Triangle

Length = n
Perimeter 63398604
Area 1.9338265423011E+14
Altitude 18301600.542823

Triangular Pyramid

Length = n
Surface area 1.9338265423011E+14
Volume 1.1122670527267E+21
Height 9962129.5124801