18156939 (number)

18156939 is an odd 8-digits composite number following 18156938 and preceding 18156940. In scientific notation, it is written as 1.8156939 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 12104624 positive integers (up to 18156939) that are relatively prime to 18156939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8156939 × 10^7
Engineering notation 1.8156939 × 10^6

Prime Factorization of 18156939

Prime Factorization 3 × 6052313

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18156939
Product of the distinct prime numbers

The prime factorization of 18156939 is 3 × 6052313. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18156939)

Multiplication

n×y
n×2 36313878
n×3 54470817
n×4 72627756
n×5 90784695

Division

n÷y
n÷2 9078469.5
n÷3 6052313
n÷3 4539234.75
n÷5 3631387.8

Exponentiation

ny
n2 329674433849721
n3 5.9858785852689E+21
n4 1.0868523233413E+29
n5 1.9733911336917E+36

Nth Root

y√n
2√n 4261.0959857764
3√n 262.83359673245
4√n 65.277070903775
5√n 28.301439580724

Divisors of 18156939

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 -18156938
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 18156939 can be divided by 4 positive divisors. The sum of these divisors (counting 18156939) is 1, the average is 0.25.

Base conversion 18156939

Base System Value
2 Binary 1000101010000110110001011
3 Ternary 1021011110122020
4 Quaternary 1011100312023
5 Quinary 14122010224
6 Senary 1445055523
8 Octal 105206613
10 Decimal 18156939
12 Duodecimal 60b75a3
16 Hexadecimal 1150d8b
20 Vigesimal 5d9c6j
36 Base36 at5zf

Cryptographic Hash Functions

md5 3806fb3be4867367caff4cf97f926828
sha1 72d98259561880485e4ab9f05cd79d0ae45d60c8
sha256 d7d639354790c0e29e90354aa6d07365bf7b13369bd353f57b40489a775d1e6e
sha512 f648ed95a7c5d32d61a358ecdbc9023d812deff2a3a7cd67503f23f1552afbcccff8a65988e80dc9632deef42ec8de51ed5961e1c957009392fe77ce662c33fd
ripemd-160 9de94317bf3adeee7f77f6654acfd61acf17435c

18156939 as geometric shapes

Circle

Radius = n
Diameter 36313878
Circumference 114083412.34816
Area 1.0357027794587E+15

Sphere

Radius = n
Volume 2.5073589585015E+22
Surface area 4.1428111178346E+15
Circumference 114083412.34816

Square

Length = n
Perimeter 72627756
Area 329674433849721
Diagonal 25677789.384981

Cube

Length = n
Surface area 1978046603098326
Volume 5.9858785852689E+21
Space diagonal 31448740.857929

Equilateral Triangle

Length = n
Perimeter 54470817
Area 1.4275321734606E+14
Altitude 15724370.428964

Triangular Pyramid

Length = n
Surface area 1.4275321734606E+14
Volume 7.054425565005E+20
Height 8559263.128327