18156945 (number)

18156945 is an odd 8-digits composite number following 18156944 and preceding 18156946. In scientific notation, it is written as 1.8156945 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 9583104 positive integers (up to 18156945) that are relatively prime to 18156945.

Interesting facts

Basic properties

Name

Name eighteen million one hundred fifty-six thousand nine hundred forty-five

Notation

Scientific notation 1.8156945 × 10^7
Engineering notation 1.8156945 × 10^6

Prime Factorization of 18156945

Prime Factorization 5 × 3 × 97 × 12479

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18156945
Product of the distinct prime numbers

The prime factorization of 18156945 is 5 × 3 × 97 × 12479. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 30, 92, 401, 682, 5468, 3602, 87725, 28385, 278993, 950625, 6019123, 5107286, 88305130, 98903534, 232754832, 810130360, 3839982311, 1596411926

Basic calculations (n = 18156945)

Multiplication

n×y
n×2 36313890
n×3 54470835
n×4 72627780
n×5 90784725

Division

n÷y
n÷2 9078472.5
n÷3 6052315
n÷3 4539236.25
n÷5 3631389

Exponentiation

ny
n2 329674651733025
n3 5.9858845194107E+21
n4 1.0868537599529E+29
n5 1.9733943942508E+36

Nth Root

y√n
2√n 4261.0966898206
3√n 262.83362568376
4√n 65.277076296512
5√n 28.301441451179

Divisors of 18156945

1, 3, 5, 15, 97, 291, 485, 1455, 12479, 37437, 62395, 187185, 1210463, 3631389, 6052315, 18156945

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 -18156944
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 18156945 can be divided by 16 positive divisors. The sum of these divisors (counting 18156945) is 1, the average is 0.0625.

Base conversion 18156945

Base System Value
2 Binary 1000101010000110110010001
3 Ternary 1021011110122110
4 Quaternary 1011100312101
5 Quinary 14122010240
6 Senary 1445055533
8 Octal 105206621
10 Decimal 18156945
12 Duodecimal 60b75a9
16 Hexadecimal 1150d91
20 Vigesimal 5d9c75
36 Base36 at5zl

Cryptographic Hash Functions

md5 e32f49992c6d938c9280406aa5404883
sha1 0341deb761af37e09cfb234318a236b5d546101d
sha256 703b654784a67a74004daca53b9e0ad3cffd7a40de9add9e1b1e2e498db9c444
sha512 4915698cc102295a4e374de2e7c22f4ff2ed8fc62c793f7490b5ab559ad5ca174db0241667351bcfe04f53bbbae5ed4d17755d228a4ffc009bc4d59d0cb10758
ripemd-160 b364009f3e2d4663ebbeae2a2e1cb7c960089f18

18156945 as geometric shapes

Circle

Radius = n
Diameter 36313890
Circumference 114083450.04727
Area 1.0357034639592E+15

Sphere

Radius = n
Volume 2.507361444189E+22
Surface area 4.142813855837E+15
Circumference 114083450.04727

Square

Length = n
Perimeter 72627780
Area 329674651733025
Diagonal 25677797.870262

Cube

Length = n
Surface area 1978047910398150
Volume 5.9858845194107E+21
Space diagonal 31448751.250234

Equilateral Triangle

Length = n
Perimeter 54470835
Area 1.4275331169229E+14
Altitude 15724375.625117

Triangular Pyramid

Length = n
Surface area 1.4275331169229E+14
Volume 7.0544325584581E+20
Height 8559265.9567541