18390018 (number)

18390018 is an even 8-digits composite number following 18390017 and preceding 18390019. In scientific notation, it is written as 1.8390018 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5863440 positive integers (up to 18390018) that are relatively prime to 18390018.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety thousand eighteen

Notation

Scientific notation 1.8390018 × 10^7
Engineering notation 1.8390018 × 10^6

Prime Factorization of 18390018

Prime Factorization 2 × 3 × 23 × 133261

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18390018
Product of the distinct prime numbers

The prime factorization of 18390018 is 2 × 3 × 23 × 133261. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 7, 83, 54, 756, 6350, 409, 93926, 65168, 6724, 956770, 6746704, 8970637, 32855854, 12309713, 340488166, 941733016, 8284662302, 8121341864

Basic calculations (n = 18390018)

Multiplication

n×y
n×2 36780036
n×3 55170054
n×4 73560072
n×5 91950090

Division

n÷y
n÷2 9195009
n÷3 6130006
n÷3 4597504.5
n÷5 3678003.6

Exponentiation

ny
n2 338192762040324
n3 6.2193709813913E+21
n4 1.1437434429646E+29
n5 2.1033462503502E+36

Nth Root

y√n
2√n 4288.358427184
3√n 263.95347550215
4√n 65.48555892091
5√n 28.373729942796

Divisors of 18390018

1, 2, 3, 6, 23, 46, 69, 138, 133261, 266522, 399783, 799566, 3065003, 6130006, 9195009, 18390018

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 -18390017
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 18390018 can be divided by 16 positive divisors. The sum of these divisors (counting 18390018) is 1, the average is 0.0625.

Base conversion 18390018

Base System Value
2 Binary 1000110001001110000000010
3 Ternary 1021121022100210
4 Quaternary 1012021300002
5 Quinary 14201440033
6 Senary 1454054550
8 Octal 106116002
10 Decimal 18390018
12 Duodecimal 61aa456
16 Hexadecimal 1189c02
20 Vigesimal 5eif0i
36 Base36 ay5tu

Cryptographic Hash Functions

md5 ea10308d86eb79407d297302bbbace82
sha1 32aa04fb4f5283471cd42416958b7c1e2ce271fe
sha256 5f6ae77b33f360a7078e3acff82d215a071e2e95d51ffc2c3d1b172a18ff7992
sha512 c50aae3114aaecc60abe7444809569535ecf19638098c64f4575e9fad87439e05215af10f2b2e9e0cb4db64eb18e38833d4cb27800c973bb6957e2eccfe2344e
ripemd-160 c30920528ddcb49156e9c1175cf785018dfc8598

18390018 as geometric shapes

Circle

Radius = n
Diameter 36780036
Circumference 115547890.89637
Area 1.0624638967231E+15

Sphere

Radius = n
Volume 2.6051640246784E+22
Surface area 4.2498555868925E+15
Circumference 115547890.89637

Square

Length = n
Perimeter 73560072
Area 338192762040324
Diagonal 26007412.867885

Cube

Length = n
Surface area 2029156572241944
Volume 6.2193709813913E+21
Space diagonal 31852445.528106

Equilateral Triangle

Length = n
Perimeter 55170054
Area 1.4644176165147E+14
Altitude 15926222.764053

Triangular Pyramid

Length = n
Surface area 1.4644176165147E+14
Volume 7.329598992761E+20
Height 8669137.6226284