20121081 (number)

20121081 is an odd 8-digits composite number following 20121080 and preceding 20121082. In scientific notation, it is written as 2.0121081 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 12282624 positive integers (up to 20121081) that are relatively prime to 20121081.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand eighty-one

Notation

Scientific notation 2.0121081 × 10^7
Engineering notation 2.0121081 × 10^6

Prime Factorization of 20121081

Prime Factorization 51 × 37 × 10663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121081
Product of the distinct prime numbers

The prime factorization of 20121081 is 51 × 37 × 10663. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121081)

Multiplication

n×y
n×2 40242162
n×3 60363243
n×4 80484324
n×5 100605405

Division

n÷y
n÷2 10060540.5
n÷3 6707027
n÷3 5030270.25
n÷5 4024216.2

Exponentiation

ny
n2 404857900608561
n3 8.1461786116348E+21
n4 1.6390991968517E+29
n5 3.2980447706888E+36

Nth Root

y√n
2√n 4485.6527953019
3√n 271.98843394447
4√n 66.975016202327
5√n 28.888850530191

Divisors of 20121081

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 -20121080
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 20121081 can be divided by 8 positive divisors. The sum of these divisors (counting 20121081) is 1, the average is 0.125.

Base conversion 20121081

Base System Value
2 Binary 1001100110000010111111001
3 Ternary 1101212020221020
4 Quaternary 1030300113321
5 Quinary 20122333311
6 Senary 1555133053
8 Octal 114602771
10 Decimal 20121081
12 Duodecimal 68a4189
16 Hexadecimal 13305f9
20 Vigesimal 65f2e1
36 Base36 bz9ix

Cryptographic Hash Functions

md5 8f4f3ca328aa700a9b2c8c5ad0126ca1
sha1 2dfaaf757191b68228a317acb9fdc445f0c1f25d
sha256 df873aff0977b1c54d0a2d813c292859a94ec837d546a69dc8d02e77ebc8dc92
sha512 048d12d915dcd084b15b47c264406a120ba4a7444cc5290d3df312ef412017faa4edc5ab0963703281c4d217978035ac4f7de63f65500203d719ddb0db59a20a
ripemd-160 916d932812dc45f9a45d825774817ca2b31605f2

20121081 as geometric shapes

Circle

Radius = n
Diameter 40242162
Circumference 126424480.50377
Area 1.2718986062996E+15

Sphere

Radius = n
Volume 3.4122633174856E+22
Surface area 5.0875944251986E+15
Circumference 126424480.50377

Square

Length = n
Perimeter 80484324
Area 404857900608561
Diagonal 28455505.639808

Cube

Length = n
Surface area 2429147403651366
Volume 8.1461786116348E+21
Space diagonal 34850734.595209

Equilateral Triangle

Length = n
Perimeter 60363243
Area 1.7530861342492E+14
Altitude 17425367.297604

Triangular Pyramid

Length = n
Surface area 1.7530861342492E+14
Volume 9.6003635617396E+20
Height 9485168.5466025