18981353 (number)

18981353 is an odd 8-digits composite number following 18981352 and preceding 18981354. In scientific notation, it is written as 1.8981353 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 18482800 positive integers (up to 18981353) that are relatively prime to 18981353.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-one thousand three hundred fifty-three

Notation

Scientific notation 1.8981353 × 10^7
Engineering notation 1.8981353 × 10^6

Prime Factorization of 18981353

Prime Factorization 83 × 71 × 3221

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18981353
Product of the distinct prime numbers

The prime factorization of 18981353 is 83 × 71 × 3221. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18981353)

Multiplication

n×y
n×2 37962706
n×3 56944059
n×4 75925412
n×5 94906765

Division

n÷y
n÷2 9490676.5
n÷3 6327117.6666667
n÷3 4745338.25
n÷5 3796270.6

Exponentiation

ny
n2 360291761710609
n3 6.838825112021E+21
n4 1.2981015355653E+29
n5 2.4639723476408E+36

Nth Root

y√n
2√n 4356.7594608837
3√n 266.752842114
4√n 66.005753240788
5√n 28.553899931734

Divisors of 18981353

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18981352
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18981353 can be divided by 8 positive divisors. The sum of these divisors (counting 18981353) is 1, the average is 0.125.

Base conversion 18981353

Base System Value
2 Binary 1001000011010000111101001
3 Ternary 1022201100112002
4 Quaternary 1020122013221
5 Quinary 14324400403
6 Senary 1514500345
8 Octal 110320751
10 Decimal 18981353
12 Duodecimal 64346b5
16 Hexadecimal 121a1e9
20 Vigesimal 5icd7d
36 Base36 bau3t

Cryptographic Hash Functions

md5 14e5e7ca2d85f037cbed8ac5cc9d72d7
sha1 7ba7ee6b918812808c8505e64e90d16af4f85b8f
sha256 85d51893aa913389848e37c57a0968c96d0ca1bb4b53910decc1baef0bc3fe7d
sha512 d7f2ce2fbc6fd5b2d3c741af27bf6e9c00de08de2f6a892c8f6b6e291a42b65391bb2d1aa0a856422ae6608638f4139c78335cb95ce1dde46331fb63f9721701
ripemd-160 fe065b20b5dc0e57ec676ae23f32ea726a6cf372

18981353 as geometric shapes

Circle

Radius = n
Diameter 37962706
Circumference 119263358.27999
Area 1.131889951739E+15

Sphere

Radius = n
Volume 2.8646403641481E+22
Surface area 4.5275598069559E+15
Circumference 119263358.27999

Square

Length = n
Perimeter 75925412
Area 360291761710609
Diagonal 26843686.844791

Cube

Length = n
Surface area 2161750570263654
Volume 6.838825112021E+21
Space diagonal 32876667.7924

Equilateral Triangle

Length = n
Perimeter 56944059
Area 1.5601090920782E+14
Altitude 16438333.8962

Triangular Pyramid

Length = n
Surface area 1.5601090920782E+14
Volume 8.0596326867648E+20
Height 8947895.6149304