18888939 (number)

18888939 is an odd 8-digits composite number following 18888938 and preceding 18888940. In scientific notation, it is written as 1.8888939 × 10^7. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 12560064 positive integers (up to 18888939) that are relatively prime to 18888939.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eighty-eight thousand nine hundred thirty-nine

Notation

Scientific notation 1.8888939 × 10^7
Engineering notation 1.8888939 × 10^6

Prime Factorization of 18888939

Prime Factorization 9 × 419 × 5009

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18888939
Product of the distinct prime numbers

The prime factorization of 18888939 is 9 × 419 × 5009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 12, 10, 604, 650, 4392, 4292, 16079, 9764, 263421, 399653, 2442510, 5770530, 71922849, 66129003, 59169482, 420880941, 2628032723, 9735690164

Basic calculations (n = 18888939)

Multiplication

n×y
n×2 37777878
n×3 56666817
n×4 75555756
n×5 94444695

Division

n÷y
n÷2 9444469.5
n÷3 6296313
n÷3 4722234.75
n÷5 3777787.8

Exponentiation

ny
n2 356792016545721
n3 6.7394226362191E+21
n4 1.2730054307076E+29
n5 2.4045721927305E+36

Nth Root

y√n
2√n 4346.1407018181
3√n 266.3192268578
4√n 65.925266035247
5√n 28.526041705669

Divisors of 18888939

1, 9, 419, 3771, 5009, 45081, 2098771, 18888939

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 -18888938
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 18888939 can be divided by 8 positive divisors. The sum of these divisors (counting 18888939) is 1, the average is 0.125.

Base conversion 18888939

Base System Value
2 Binary 1001000000011100011101011
3 Ternary 1022112122202100
4 Quaternary 1020003203223
5 Quinary 14313421224
6 Senary 1512504443
8 Octal 110034353
10 Decimal 18888939
12 Duodecimal 63ab123
16 Hexadecimal 12038eb
20 Vigesimal 5i126j
36 Base36 b8usr

Cryptographic Hash Functions

md5 b116c70787f3f1c8a44646ed012f93dc
sha1 b5b3e37b1d861689579038f468dadf8314c149d7
sha256 ed2e65322f4be6a68f96f440da260d53ee351e9581892c8f8712ad57ae35d16a
sha512 99d675f363019c0caed491ee92eca748b1f68262c10d0925adfb21af647af325eefab4326322801d2ec05588f24a9115e211623b3477fd7d7f82c5549b90a346
ripemd-160 1aa1a054beb4c996931fbbd2b9c3c58e6e910306

18888939 as geometric shapes

Circle

Radius = n
Diameter 37777878
Circumference 118682703.99301
Area 1.1208951780395E+15

Sphere

Radius = n
Volume 2.823002752451E+22
Surface area 4.4835807121581E+15
Circumference 118682703.99301

Square

Length = n
Perimeter 75555756
Area 356792016545721
Diagonal 26712993.712638

Cube

Length = n
Surface area 2140752099274326
Volume 6.7394226362191E+21
Space diagonal 32716602.049069

Equilateral Triangle

Length = n
Perimeter 56666817
Area 1.5449547509804E+14
Altitude 16358301.024535

Triangular Pyramid

Length = n
Surface area 1.5449547509804E+14
Volume 7.9424857455878E+20
Height 8904331.237546