18122018 (number)

18122018 is an even 8-digits composite number following 18122017 and preceding 18122019. In scientific notation, it is written as 1.8122018 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 9061008 positive integers (up to 18122018) that are relatively prime to 18122018.

Interesting facts

Basic properties

Name

Name eighteen million one hundred twenty-two thousand eighteen

Notation

Scientific notation 1.8122018 × 10^7
Engineering notation 1.8122018 × 10^6

Prime Factorization of 18122018

Prime Factorization 2 × 9061009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18122018
Product of the distinct prime numbers

The prime factorization of 18122018 is 2 × 9061009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18122018)

Multiplication

n×y
n×2 36244036
n×3 54366054
n×4 72488072
n×5 90610090

Division

n÷y
n÷2 9061009
n÷3 6040672.6666667
n÷3 4530504.5
n÷5 3624403.6

Exponentiation

ny
n2 328407536392324
n3 5.9514072858374E+21
n4 1.0785150995928E+29
n5 1.9544870048092E+36

Nth Root

y√n
2√n 4256.9963589367
3√n 262.66498713428
4√n 65.245661610077
5√n 28.290544839324

Divisors of 18122018

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 -18122017
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 18122018 can be divided by 4 positive divisors. The sum of these divisors (counting 18122018) is 1, the average is 0.25.

Base conversion 18122018

Base System Value
2 Binary 1000101001000010100100010
3 Ternary 1021002200201212
4 Quaternary 1011020110202
5 Quinary 14114401033
6 Senary 1444230122
8 Octal 105102442
10 Decimal 18122018
12 Duodecimal 609b342
16 Hexadecimal 1148522
20 Vigesimal 5d550i
36 Base36 asf1e

Cryptographic Hash Functions

md5 23dcf47307ffdcaceda6a96f2d421c3d
sha1 994296b321cae41b211668b2de01d6e51d321094
sha256 9538030a70f66b92ac70dc5368bdaa3a568efedb1293cde02a1aa58de39a3eb7
sha512 ffa2021aecebdf01606da15f46cbc674b121cef46ef705e1bdc51163923ff0b33b13e94505e5a8f9b65a1522bf3f14fa1e4d87be9cf5c6dc30a5e9c095b7f654
ripemd-160 b2d90c12f51471cd19608fd66ddf6d68ae8ba150

18122018 as geometric shapes

Circle

Radius = n
Diameter 36244036
Circumference 113863997.23404
Area 1.0317227037136E+15

Sphere

Radius = n
Volume 2.492919654361E+22
Surface area 4.1268908148546E+15
Circumference 113863997.23404

Square

Length = n
Perimeter 72488072
Area 328407536392324
Diagonal 25628403.633169

Cube

Length = n
Surface area 1970445218353944
Volume 5.9514072858374E+21
Space diagonal 31388255.911678

Equilateral Triangle

Length = n
Perimeter 54366054
Area 1.4220463465501E+14
Altitude 15694127.955839

Triangular Pyramid

Length = n
Surface area 1.4220463465501E+14
Volume 7.013800749031E+20
Height 8542801.2110565