21132812 (number)

21132812 is an even 8-digits composite number following 21132811 and preceding 21132813. In scientific notation, it is written as 2.1132812 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 10549056 positive integers (up to 21132812) that are relatively prime to 21132812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1132812 × 10^7
Engineering notation 2.1132812 × 10^6

Prime Factorization of 21132812

Prime Factorization 2 × 2 × 659 × 8017

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10566406
Product of the distinct prime numbers

The prime factorization of 21132812 is 2 × 2 × 659 × 8017. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 7, 57, 530, 248, 9424, 2424, 99538, 51626, 995875, 285640, 2042983, 5733608, 75595773, 87688903, 512251076, 368923372, 4637486899, 960354068

Basic calculations (n = 21132812)

Multiplication

n×y
n×2 42265624
n×3 63398436
n×4 84531248
n×5 105664060

Division

n÷y
n÷2 10566406
n÷3 7044270.6666667
n÷3 5283203
n÷5 4226562.4

Exponentiation

ny
n2 446595743027344
n3 9.4378238773972E+21
n4 1.9944775769015E+29
n5 4.2148919670874E+36

Nth Root

y√n
2√n 4597.0438327255
3√n 276.47281205749
4√n 67.801503174528
5√n 29.173696319759

Divisors of 21132812

1, 2, 4, 659, 1318, 2636, 8017, 16034, 32068, 5283203, 10566406, 21132812

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 -21132811
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 21132812 can be divided by 12 positive divisors. The sum of these divisors (counting 21132812) is 1, the average is 0.083333333333333.

Base conversion 21132812

Base System Value
2 Binary 1010000100111011000001100
3 Ternary 1110202122202202
4 Quaternary 1100213120030
5 Quinary 20402222222
6 Senary 2032541032
8 Octal 120473014
10 Decimal 21132812
12 Duodecimal 70b1778
16 Hexadecimal 142760c
20 Vigesimal 6c1c0c
36 Base36 cky6k

Cryptographic Hash Functions

md5 33862a265b84c3259f7b315a4d79fa9a
sha1 dae8bb493df163f83c515bc2099ea4c13fd7a367
sha256 883aa31774cb6be70ac4d0e5dd1773e0980b7375185b40d8574fc82aabb665e2
sha512 6bf5effe8909688929b4b12a533cb11aec1377e00e41f3a81ad0a43ac783f66b3990229bc60273bcdab537596c545e8347b573e08514f763813e2a130b02c234
ripemd-160 c2caaafb8f4d52761e0f36ba3adcc49017c616db

21132812 as geometric shapes

Circle

Radius = n
Diameter 42265624
Circumference 132781373.85779
Area 1.4030219054192E+15

Sphere

Radius = n
Volume 3.953306421214E+22
Surface area 5.6120876216767E+15
Circumference 132781373.85779

Square

Length = n
Perimeter 84531248
Area 446595743027344
Diagonal 29886309.341481

Cube

Length = n
Surface area 2679574458164064
Volume 9.4378238773972E+21
Space diagonal 36603104.090801

Equilateral Triangle

Length = n
Perimeter 63398436
Area 1.9338162934183E+14
Altitude 18301552.045401

Triangular Pyramid

Length = n
Surface area 1.9338162934183E+14
Volume 1.1122582105586E+21
Height 9962103.113827