18388542 (number)

18388542 is an even 8-digits composite number following 18388541 and preceding 18388543. In scientific notation, it is written as 1.8388542 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 5806872 positive integers (up to 18388542) that are relatively prime to 18388542.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-eight thousand five hundred forty-two

Notation

Scientific notation 1.8388542 × 10^7
Engineering notation 1.8388542 × 10^6

Prime Factorization of 18388542

Prime Factorization 2 × 3 × 19 × 161303

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18388542
Product of the distinct prime numbers

The prime factorization of 18388542 is 2 × 3 × 19 × 161303. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 87, 43, 639, 616, 2069, 6545, 93217, 97783, 883113, 126811, 3710390, 5043919, 15152656, 18402402, 348354437, 10104071, 6193454070, 7949608535

Basic calculations (n = 18388542)

Multiplication

n×y
n×2 36777084
n×3 55165626
n×4 73554168
n×5 91942710

Division

n÷y
n÷2 9194271
n÷3 6129514
n÷3 4597135.5
n÷5 3677708.4

Exponentiation

ny
n2 338138476885764
n3 6.2178735840299E+21
n4 1.1433762955062E+29
n5 2.1025023031721E+36

Nth Root

y√n
2√n 4288.1863299069
3√n 263.94641359582
4√n 65.484244898348
5√n 28.373274467766

Divisors of 18388542

1, 2, 3, 6, 19, 38, 57, 114, 161303, 322606, 483909, 967818, 3064757, 6129514, 9194271, 18388542

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 -18388541
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 18388542 can be divided by 16 positive divisors. The sum of these divisors (counting 18388542) is 1, the average is 0.0625.

Base conversion 18388542

Base System Value
2 Binary 1000110001001011000111110
3 Ternary 1021121020100010
4 Quaternary 1012021120332
5 Quinary 14201413132
6 Senary 1454044050
8 Octal 106113076
10 Decimal 18388542
12 Duodecimal 61a9626
16 Hexadecimal 118963e
20 Vigesimal 5eib72
36 Base36 ay4ou

Cryptographic Hash Functions

md5 a1324c0c6cef4722c2def7c2235e9182
sha1 c488a94e8b6775bc584fefc43202559dcc9bce1f
sha256 2eb28373034f8db53b23b21e20b7c6e1ca75e692a03c60e99c02d56594fc5cd1
sha512 91b58d8befe736421bb47da85df7fd169c0ccd5eadfab84f177e7c03f19a7318111191a3819740cc9168840156e3fe2f8cd4c09cd55e2b4206fba18eb03c0697
ripemd-160 62b13592bf07d12a2a20953719aa6019d9808a17

18388542 as geometric shapes

Circle

Radius = n
Diameter 36777084
Circumference 115538616.91485
Area 1.0622933548804E+15

Sphere

Radius = n
Volume 2.6045367963384E+22
Surface area 4.2491734195214E+15
Circumference 115538616.91485

Square

Length = n
Perimeter 73554168
Area 338138476885764
Diagonal 26005325.488667

Cube

Length = n
Surface area 2028830861314584
Volume 6.2178735840299E+21
Space diagonal 31849889.021114

Equilateral Triangle

Length = n
Perimeter 55165626
Area 1.4641825549002E+14
Altitude 15924944.510557

Triangular Pyramid

Length = n
Surface area 1.4641825549002E+14
Volume 7.3278342930471E+20
Height 8668441.8295558