18388914 (number)

18388914 is an even 8-digits composite number following 18388913 and preceding 18388915. In scientific notation, it is written as 1.8388914 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 5863088 positive integers (up to 18388914) that are relatively prime to 18388914.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-eight thousand nine hundred fourteen

Notation

Scientific notation 1.8388914 × 10^7
Engineering notation 1.8388914 × 10^6

Prime Factorization of 18388914

Prime Factorization 2 × 23 × 3 × 133253

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18388914
Product of the distinct prime numbers

The prime factorization of 18388914 is 2 × 23 × 3 × 133253. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 56, 50, 414, 981, 2654, 8084, 74082, 66992, 207040, 233615, 5073155, 4510879, 5800957, 13127596, 113854312, 981914969, 3155419644, 3797152537

Basic calculations (n = 18388914)

Multiplication

n×y
n×2 36777828
n×3 55166742
n×4 73555656
n×5 91944570

Division

n÷y
n÷2 9194457
n÷3 6129638
n÷3 4597228.5
n÷5 3677782.8

Exponentiation

ny
n2 338152158099396
n3 6.2182509542042E+21
n4 1.1434688202728E+29
n5 2.1027149797678E+36

Nth Root

y√n
2√n 4288.2297046683
3√n 263.94819346149
4√n 65.484576082222
5√n 28.373389265043

Divisors of 18388914

1, 2, 3, 6, 23, 46, 69, 138, 133253, 266506, 399759, 799518, 3064819, 6129638, 9194457, 18388914

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 -18388913
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 18388914 can be divided by 16 positive divisors. The sum of these divisors (counting 18388914) is 1, the average is 0.0625.

Base conversion 18388914

Base System Value
2 Binary 1000110001001011110110010
3 Ternary 1021121020211220
4 Quaternary 1012021132302
5 Quinary 14201421124
6 Senary 1454045510
8 Octal 106113662
10 Decimal 18388914
12 Duodecimal 61a9896
16 Hexadecimal 11897b2
20 Vigesimal 5eic5e
36 Base36 ay4z6

Cryptographic Hash Functions

md5 d61c48bd00bce0b698119f14ab0c9aa5
sha1 ef4f7e39a6b4ec51d3ddbd698a9f9ae2bb3aa74c
sha256 b1f64df553f693bc686b2beb8d169c52bfdd9d131acecd91d57c95d89ca9acc1
sha512 5055d3c9b1941278d6255a6747ddcc48545bcfcb9c8664349c6fe60501fea2283c69bd1942ef8e704332af6c9c149a3d935259a4883c408760469f92a787311a
ripemd-160 1cacd2595781d753d03f2f11a445763cac6285a1

18388914 as geometric shapes

Circle

Radius = n
Diameter 36777828
Circumference 115540954.25979
Area 1.0623363356806E+15

Sphere

Radius = n
Volume 2.6046948687874E+22
Surface area 4.2493453427224E+15
Circumference 115540954.25979

Square

Length = n
Perimeter 73555656
Area 338152158099396
Diagonal 26005851.576112

Cube

Length = n
Surface area 2028912948596376
Volume 6.2182509542042E+21
Space diagonal 31850533.344015

Equilateral Triangle

Length = n
Perimeter 55166742
Area 1.464241796293E+14
Altitude 15925266.672007

Triangular Pyramid

Length = n
Surface area 1.464241796293E+14
Volume 7.3282790280625E+20
Height 8668617.1920375