18946979 (number)

18946979 is an odd 8-digits composite number following 18946978 and preceding 18946980. In scientific notation, it is written as 1.8946979 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 18921000 positive integers (up to 18946979) that are relatively prime to 18946979.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred forty-six thousand nine hundred seventy-nine

Notation

Scientific notation 1.8946979 × 10^7
Engineering notation 1.8946979 × 10^6

Prime Factorization of 18946979

Prime Factorization 751 × 25229

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18946979
Product of the distinct prime numbers

The prime factorization of 18946979 is 751 × 25229. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18946979)

Multiplication

n×y
n×2 37893958
n×3 56840937
n×4 75787916
n×5 94734895

Division

n÷y
n÷2 9473489.5
n÷3 6315659.6666667
n÷3 4736744.75
n÷5 3789395.8

Exponentiation

ny
n2 358988013226441
n3 6.8017383478531E+21
n4 1.2887239364027E+29
n5 2.4417425359819E+36

Nth Root

y√n
2√n 4352.8127687738
3√n 266.59172077893
4√n 65.9758498905
5√n 28.543550579805

Divisors of 18946979

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 -18946978
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 18946979 can be divided by 4 positive divisors. The sum of these divisors (counting 18946979) is 1, the average is 0.25.

Base conversion 18946979

Base System Value
2 Binary 1001000010001101110100011
3 Ternary 1022122121100222
4 Quaternary 1020101232203
5 Quinary 14322300404
6 Senary 1514033255
8 Octal 110215643
10 Decimal 18946979
12 Duodecimal 641882b
16 Hexadecimal 1211ba3
20 Vigesimal 5i878j
36 Base36 ba3kz

Cryptographic Hash Functions

md5 a5baeffb3f7e95d16d017d0539bfac25
sha1 44d9fbe1afe2bc2ff64205bc5f53067853df6d3d
sha256 6b76c22fc8be1b003b25523db76ea8276aa68431d63894743b429fc77c5cdf23
sha512 b2d9ab42f830aed7069e5feaf9f4cc96a7a01f40c2cafa325108addc073d05d92f65a5f301414de47364cc136fb7cc13233bca102ec9a28b346a862f40a55111
ripemd-160 8bf461ef87f84c8b6be87d6c1bf8ed3c8ef29004

18946979 as geometric shapes

Circle

Radius = n
Diameter 37893958
Circumference 119047380.06824
Area 1.127794105079E+15

Sphere

Radius = n
Volume 2.8491054967007E+22
Surface area 4.5111764203159E+15
Circumference 119047380.06824

Square

Length = n
Perimeter 75787916
Area 358988013226441
Diagonal 26795074.667798

Cube

Length = n
Surface area 2153928079358646
Volume 6.8017383478531E+21
Space diagonal 32817130.277941

Equilateral Triangle

Length = n
Perimeter 56840937
Area 1.554463695541E+14
Altitude 16408565.13897

Triangular Pyramid

Length = n
Surface area 1.554463695541E+14
Volume 8.0159255160392E+20
Height 8931691.5559327