18163945 (number)

18163945 is an odd 8-digits composite number following 18163944 and preceding 18163946. In scientific notation, it is written as 1.8163945 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 14531152 positive integers (up to 18163945) that are relatively prime to 18163945.

Interesting facts

Basic properties

Name

Name eighteen million one hundred sixty-three thousand nine hundred forty-five

Notation

Scientific notation 1.8163945 × 10^7
Engineering notation 1.8163945 × 10^6

Prime Factorization of 18163945

Prime Factorization 5 × 3632789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18163945
Product of the distinct prime numbers

The prime factorization of 18163945 is 5 × 3632789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18163945)

Multiplication

n×y
n×2 36327890
n×3 54491835
n×4 72655780
n×5 90819725

Division

n÷y
n÷2 9081972.5
n÷3 6054648.3333333
n÷3 4540986.25
n÷5 3632789

Exponentiation

ny
n2 329928897963025
n3 5.992810356511E+21
n4 1.088530777111E+29
n5 1.9772013166251E+36

Nth Root

y√n
2√n 4261.917995457
3√n 262.86739786652
4√n 65.283366912691
5√n 28.303623311029

Divisors of 18163945

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 -18163944
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 18163945 can be divided by 4 positive divisors. The sum of these divisors (counting 18163945) is 1, the average is 0.25.

Base conversion 18163945

Base System Value
2 Binary 1000101010010100011101001
3 Ternary 1021011211020201
4 Quaternary 1011102203221
5 Quinary 14122221240
6 Senary 1445152201
8 Octal 105224351
10 Decimal 18163945
12 Duodecimal 60bb661
16 Hexadecimal 11528e9
20 Vigesimal 5da9h5
36 Base36 atbe1

Cryptographic Hash Functions

md5 d1fb5a078f68a08d514ee38a00da5c27
sha1 48a7a854cdf4857dc5fb702acb1951a17d27c808
sha256 357339ef9caaaca326abe8615399af9be6bdc047b364821d676fefad8e4d10dc
sha512 87f72b1dcc47c5e9a1ba65a9982594ac18d973598dcb10620c1d88a800cb9e2c5e8aa43d0d343813d8a72d0cfe8420f97aa61b88543a27957e2dd1f30fc2272b
ripemd-160 bc1410a53c1347af0e530431bfa7ce61603df177

18163945 as geometric shapes

Circle

Radius = n
Diameter 36327890
Circumference 114127432.34442
Area 1.0365022020476E+15

Sphere

Radius = n
Volume 2.5102625320496E+22
Surface area 4.1460088081905E+15
Circumference 114127432.34442

Square

Length = n
Perimeter 72655780
Area 329928897963025
Diagonal 25687697.365199

Cube

Length = n
Surface area 1979573387778150
Volume 5.992810356511E+21
Space diagonal 31460875.605887

Equilateral Triangle

Length = n
Perimeter 54491835
Area 1.4286340353929E+14
Altitude 15730437.802943

Triangular Pyramid

Length = n
Surface area 1.4286340353929E+14
Volume 7.0625947357565E+20
Height 8562565.7883997