20145018 (number)

20145018 is an even 8-digits composite number following 20145017 and preceding 20145019. In scientific notation, it is written as 2.0145018 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6677136 positive integers (up to 20145018) that are relatively prime to 20145018.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand eighteen

Notation

Scientific notation 2.0145018 × 10^7
Engineering notation 2.0145018 × 10^6

Prime Factorization of 20145018

Prime Factorization 2 × 3 × 179 × 18757

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145018
Product of the distinct prime numbers

The prime factorization of 20145018 is 2 × 3 × 179 × 18757. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145018)

Multiplication

n×y
n×2 40290036
n×3 60435054
n×4 80580072
n×5 100725090

Division

n÷y
n÷2 10072509
n÷3 6715006
n÷3 5036254.5
n÷5 4029003.6

Exponentiation

ny
n2 405821750220324
n3 8.1752864629799E+21
n4 1.6469129295189E+29
n5 3.317709060959E+36

Nth Root

y√n
2√n 4488.320175745
3√n 272.09624801734
4√n 66.994926492571
5√n 28.895720773269

Divisors of 20145018

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145018 can be divided by 16 positive divisors. The sum of these divisors (counting 20145018) is 1, the average is 0.0625.

Base conversion 20145018

Base System Value
2 Binary 1001100110110001101111010
3 Ternary 1101220110202210
4 Quaternary 1030312031322
5 Quinary 20124120033
6 Senary 1555435550
8 Octal 114661572
10 Decimal 20145018
12 Duodecimal 68b5bb6
16 Hexadecimal 133637a
20 Vigesimal 65i2ai
36 Base36 bzrzu

Cryptographic Hash Functions

md5 2ee48a603d2baf67ffa10b571fc1453d
sha1 d30c91de306426611118ebc4c23e71c775f3c0af
sha256 f536d7b621a4233d317dc1918096b414d2d27d2932000ca4312d53e7497d5e28
sha512 ab491467eb2494240d607ad76b60cca10b69fd4415c90973e63bcd4bbb042637f261e940beea506c6df1f66d9008f45a2ae665c09eaa564882b7a5e5b8b8f829
ripemd-160 adb20986e0b85363c31c2ff29e20214fd96dbf45

20145018 as geometric shapes

Circle

Radius = n
Diameter 40290036
Circumference 126574881.11047
Area 1.2749266291591E+15

Sphere

Radius = n
Volume 3.4244559857453E+22
Surface area 5.0997065166365E+15
Circumference 126574881.11047

Square

Length = n
Perimeter 80580072
Area 405821750220324
Diagonal 28489357.66985

Cube

Length = n
Surface area 2434930501321944
Volume 8.1752864629799E+21
Space diagonal 34892194.69539

Equilateral Triangle

Length = n
Perimeter 60435054
Area 1.7572597254953E+14
Altitude 17446097.347695

Triangular Pyramid

Length = n
Surface area 1.7572597254953E+14
Volume 9.6346674935262E+20
Height 9496452.5566167