20390018 (number)

20390018 is an even 8-digits composite number following 20390017 and preceding 20390019. In scientific notation, it is written as 2.0390018 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 9268180 positive integers (up to 20390018) that are relatively prime to 20390018.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety thousand eighteen

Notation

Scientific notation 2.0390018 × 10^7
Engineering notation 2.0390018 × 10^6

Prime Factorization of 20390018

Prime Factorization 2 × 11 × 926819

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20390018
Product of the distinct prime numbers

The prime factorization of 20390018 is 2 × 11 × 926819. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20390018)

Multiplication

n×y
n×2 40780036
n×3 61170054
n×4 81560072
n×5 101950090

Division

n÷y
n÷2 10195009
n÷3 6796672.6666667
n÷3 5097504.5
n÷5 4078003.6

Exponentiation

ny
n2 415752834040324
n3 8.4772077696332E+21
n4 1.7285041901256E+29
n5 3.5244231549737E+36

Nth Root

y√n
2√n 4515.5307550719
3√n 273.19486773541
4√n 67.197699031082
5√n 28.965666217683

Divisors of 20390018

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 -20390017
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 20390018 can be divided by 8 positive divisors. The sum of these divisors (counting 20390018) is 1, the average is 0.125.

Base conversion 20390018

Base System Value
2 Binary 1001101110010000010000010
3 Ternary 1102100220211212
4 Quaternary 1031302002002
5 Quinary 20204440033
6 Senary 2005010122
8 Octal 115620202
10 Decimal 20390018
12 Duodecimal 69b3942
16 Hexadecimal 1372082
20 Vigesimal 678f0i
36 Base36 c511e

Cryptographic Hash Functions

md5 3a5b38818dbb99cd3433cd8920d8119f
sha1 fae182ecb9977e11005a7c63754257c17e4a1e36
sha256 05c15c1638475aec32ab444e18f666dd8591f8336b8198a28dd431ad5fc8fc2f
sha512 c82477ec1107ab24453c31eee44ad8efba1c51a83abff095455f6bea10df659911c22a159dd2d6ad650c2f6df04ece930d7616d5e99906e17c954240b34e4dd6
ripemd-160 1d6eb4d5cc242aa55567bbf8a58d3dcdbaf2c8c6

20390018 as geometric shapes

Circle

Radius = n
Diameter 40780036
Circumference 128114261.51073
Area 1.3061260491302E+15

Sphere

Radius = n
Volume 3.5509244869379E+22
Surface area 5.2245041965209E+15
Circumference 128114261.51073

Square

Length = n
Perimeter 81560072
Area 415752834040324
Diagonal 28835839.992632

Cube

Length = n
Surface area 2494517004241944
Volume 8.4772077696332E+21
Space diagonal 35316547.143244

Equilateral Triangle

Length = n
Perimeter 61170054
Area 1.8002625798715E+14
Altitude 17658273.571622

Triangular Pyramid

Length = n
Surface area 1.8002625798715E+14
Volume 9.9904851657249E+20
Height 9611946.6642105