20121442 (number)

20121442 is an even 8-digits composite number following 20121441 and preceding 20121443. In scientific notation, it is written as 2.0121442 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 9146100 positive integers (up to 20121442) that are relatively prime to 20121442.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand four hundred forty-two

Notation

Scientific notation 2.0121442 × 10^7
Engineering notation 2.0121442 × 10^6

Prime Factorization of 20121442

Prime Factorization 2 × 11 × 914611

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121442
Product of the distinct prime numbers

The prime factorization of 20121442 is 2 × 11 × 914611. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121442)

Multiplication

n×y
n×2 40242884
n×3 60364326
n×4 80485768
n×5 100607210

Division

n÷y
n÷2 10060721
n÷3 6707147.3333333
n÷3 5030360.5
n÷5 4024288.4

Exponentiation

ny
n2 404872428159364
n3 8.1466170806078E+21
n4 1.6392168308366E+29
n5 3.2983406387102E+36

Nth Root

y√n
2√n 4485.6930345265
3√n 271.99006055087
4√n 66.975316606393
5√n 28.888954190628

Divisors of 20121442

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121441
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121442 can be divided by 8 positive divisors. The sum of these divisors (counting 20121442) is 1, the average is 0.125.

Base conversion 20121442

Base System Value
2 Binary 1001100110000011101100010
3 Ternary 1101212021102121
4 Quaternary 1030300131202
5 Quinary 20122341232
6 Senary 1555134454
8 Octal 114603542
10 Decimal 20121442
12 Duodecimal 68a442a
16 Hexadecimal 1330762
20 Vigesimal 65f3c2
36 Base36 bz9sy

Cryptographic Hash Functions

md5 ead721d9ec5390cd4dcc7d36e9d9f989
sha1 0c60dde736a50a9eb8e7423ccc84471e6e3fc53d
sha256 0531a7d838c78ec5430a7522ce028c95d8262bb83f75409b845b691fe4348332
sha512 5af163e68773c3cd70d3040e47ce8c39de511920da5cb398efe0e3a98b5549381fd43da0f5bf176016f9d010da826d051c3249f62f4e0c67c8c7207538ae5aa4
ripemd-160 aeb8353b726c49e46ae938aa141b3ac676c20b5f

20121442 as geometric shapes

Circle

Radius = n
Diameter 40242884
Circumference 126426748.73367
Area 1.2719442459465E+15

Sphere

Radius = n
Volume 3.4124469829395E+22
Surface area 5.0877769837861E+15
Circumference 126426748.73367

Square

Length = n
Perimeter 80485768
Area 404872428159364
Diagonal 28456016.170904

Cube

Length = n
Surface area 2429234568956184
Volume 8.1466170806078E+21
Space diagonal 34851359.86555

Equilateral Triangle

Length = n
Perimeter 60364326
Area 1.7531490403895E+14
Altitude 17425679.932775

Triangular Pyramid

Length = n
Surface area 1.7531490403895E+14
Volume 9.6008803023799E+20
Height 9485338.7236345