18156938 (number)

18156938 is an even 8-digits composite number following 18156937 and preceding 18156939. In scientific notation, it is written as 1.8156938 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 9078468 positive integers (up to 18156938) that are relatively prime to 18156938.

Interesting facts

Basic properties

Name

Name eighteen million one hundred fifty-six thousand nine hundred thirty-eight

Notation

Scientific notation 1.8156938 × 10^7
Engineering notation 1.8156938 × 10^6

Prime Factorization of 18156938

Prime Factorization 2 × 9078469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18156938
Product of the distinct prime numbers

The prime factorization of 18156938 is 2 × 9078469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18156938)

Multiplication

n×y
n×2 36313876
n×3 54470814
n×4 72627752
n×5 90784690

Division

n÷y
n÷2 9078469
n÷3 6052312.6666667
n÷3 4539234.5
n÷5 3631387.6

Exponentiation

ny
n2 329674397535844
n3 5.9858775962457E+21
n4 1.0868520839062E+29
n5 1.9733905902656E+36

Nth Root

y√n
2√n 4261.0958684357
3√n 262.83359190723
4√n 65.277070004985
5√n 28.301439268982

Divisors of 18156938

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 -18156937
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 18156938 can be divided by 4 positive divisors. The sum of these divisors (counting 18156938) is 1, the average is 0.25.

Base conversion 18156938

Base System Value
2 Binary 1000101010000110110001010
3 Ternary 1021011110122012
4 Quaternary 1011100312022
5 Quinary 14122010223
6 Senary 1445055522
8 Octal 105206612
10 Decimal 18156938
12 Duodecimal 60b75a2
16 Hexadecimal 1150d8a
20 Vigesimal 5d9c6i
36 Base36 at5ze

Cryptographic Hash Functions

md5 67addae5cbf39222b379fc73f02737a9
sha1 5a3f0ef58624afedd4d9ea442ba9cc5401239732
sha256 46976bc5ffbdddcc10029a946a5fbfcb8383e4500b5a94cd72314a49128be251
sha512 54a37c3654b50099ae640ece52773719806429f4b91735265a973f65a4044b429512fdeba32f9f1b5ee8b37e1929e739496e24517e545dfe5ec7bd0dd20e5b06
ripemd-160 e6188fa9c6aba9c72644e14916294bfb098f7f6e

18156938 as geometric shapes

Circle

Radius = n
Diameter 36313876
Circumference 114083406.06497
Area 1.0357026653752E+15

Sphere

Radius = n
Volume 2.5073585442204E+22
Surface area 4.142810661501E+15
Circumference 114083406.06497

Square

Length = n
Perimeter 72627752
Area 329674397535844
Diagonal 25677787.970767

Cube

Length = n
Surface area 1978046385215064
Volume 5.9858775962457E+21
Space diagonal 31448739.125878

Equilateral Triangle

Length = n
Perimeter 54470814
Area 1.4275320162169E+14
Altitude 15724369.562939

Triangular Pyramid

Length = n
Surface area 1.4275320162169E+14
Volume 7.0544243994299E+20
Height 8559262.6569225