20121243 (number)

20121243 is an odd 8-digits composite number following 20121242 and preceding 20121244. In scientific notation, it is written as 2.0121243 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 13288584 positive integers (up to 20121243) that are relatively prime to 20121243.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121243 × 10^7
Engineering notation 2.0121243 × 10^6

Prime Factorization of 20121243

Prime Factorization 321 × 62683

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121243
Product of the distinct prime numbers

The prime factorization of 20121243 is 321 × 62683. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121243)

Multiplication

n×y
n×2 40242486
n×3 60363729
n×4 80484972
n×5 100606215

Division

n÷y
n÷2 10060621.5
n÷3 6707081
n÷3 5030310.75
n÷5 4024248.6

Exponentiation

ny
n2 404864419865049
n3 8.1463753741587E+21
n4 1.6391519847266E+29
n5 3.2981775398617E+36

Nth Root

y√n
2√n 4485.670852838
3√n 271.98916389213
4√n 66.975151010192
5√n 28.888897048355

Divisors of 20121243

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121242
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121243 can be divided by 4 positive divisors. The sum of these divisors (counting 20121243) is 1, the average is 0.25.

Base conversion 20121243

Base System Value
2 Binary 1001100110000011010011011
3 Ternary 1101212021011020
4 Quaternary 1030300122123
5 Quinary 20122334433
6 Senary 1555133523
8 Octal 114603233
10 Decimal 20121243
12 Duodecimal 68a42a3
16 Hexadecimal 133069b
20 Vigesimal 65f323
36 Base36 bz9nf

Cryptographic Hash Functions

md5 4282173920134912fde734328e982dfb
sha1 e2e7f427a7d2c457a2c7506dd4957197c22f64bb
sha256 ac13ff0a121b9cab7785b7af9397dff928b5f908660946dc44a35dd4a42ca05a
sha512 02cca6c8ef1b2cc9fe3be6f931f74b9bd9dfd558c149267ddf4b91c23ddf6296726fc4062c4af40ba5f1a0cb81d0fb7e5aa9f77505d4cbe9a72ed94022f401c3
ripemd-160 0cbfb2ead7fe8ee8b7850e078f5091c41784acd8

20121243 as geometric shapes

Circle

Radius = n
Diameter 40242486
Circumference 126425498.37979
Area 1.2719190871479E+15

Sphere

Radius = n
Volume 3.4123457371789E+22
Surface area 5.0876763485917E+15
Circumference 126425498.37979

Square

Length = n
Perimeter 80484972
Area 404864419865049
Diagonal 28455734.742405

Cube

Length = n
Surface area 2429186519190294
Volume 8.1463753741587E+21
Space diagonal 34851015.18744

Equilateral Triangle

Length = n
Perimeter 60363729
Area 1.7531143634579E+14
Altitude 17425507.59372

Triangular Pyramid

Length = n
Surface area 1.7531143634579E+14
Volume 9.6005954485978E+20
Height 9485244.9141349