128389904 (number)

128389904 is an even 9-digits composite number following 128389903 and preceding 128389905. In scientific notation, it is written as 1.28389904 × 10^8. The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors. There are 64135968 positive integers (up to 128389904) that are relatively prime to 128389904.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million three hundred eighty-nine thousand nine hundred four

Notation

Scientific notation 1.28389904 × 10^8
Engineering notation 1.28389904 × 10^6

Prime Factorization of 128389904

Prime Factorization 2 × 2 × 2 × 2 × 1327 × 6047

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 16048738
Product of the distinct prime numbers

The prime factorization of 128389904 is 2 × 2 × 2 × 2 × 1327 × 6047. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 3, 62, 66, 245, 488, 7149, 5312, 97342, 99216, 95450, 493765, 6865238, 6103433, 7217111, 83866737, 278205571, 286083289, 4593776300, 6198374588

Basic calculations (n = 128389904)

Multiplication

n×y
n×2 256779808
n×3 385169712
n×4 513559616
n×5 641949520

Division

n÷y
n÷2 64194952
n÷3 42796634.666667
n÷3 32097476
n÷5 25677980.8

Exponentiation

ny
n2 16483967449129216
n3 2.1163749983328E+24
n4 2.7172118286395E+32
n5 3.4886256582669E+40

Nth Root

y√n
2√n 11330.926881769
3√n 504.47961818529
4√n 106.44682654626
5√n 41.851032302976

Divisors of 128389904

1, 2, 4, 8, 16, 1327, 2654, 5308, 6047, 10616, 12094, 21232, 24188, 48376, 96752, 8024369, 16048738, 32097476, 64194952, 128389904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128389903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128389904 can be divided by 20 positive divisors. The sum of these divisors (counting 128389904) is 1, the average is 0.05.

Base conversion 128389904

Base System Value
2 Binary 111101001110001001100010000
3 Ternary 22221120212211122
4 Quaternary 13221301030100
5 Quinary 230331434104
6 Senary 20423501412
8 Octal 751611420
10 Decimal 128389904
12 Duodecimal 36bb7868
16 Hexadecimal 7a71310
20 Vigesimal 2028ef4
36 Base36 24fua8

Cryptographic Hash Functions

md5 d1514deb9c4f9723192002caa325a19b
sha1 82f84c84e1e7bbf211d1a5c3371df0768c220469
sha256 678769fcce0ddccfd50b61169af82b9456f4c600374463f5caf9ebad642f0349
sha512 af19b074441d63b9ad551ef2965caafe5a950865d8cd3884a5969fd2d324c690a6d1d9c60c34acccd90a1db104f3351bc52d49b3e96af993b9923ceb1184e0b5
ripemd-160 e3216567bc797b9733ff41eae6f7631ab48ba833

128389904 as geometric shapes

Circle

Radius = n
Diameter 256779808
Circumference 806697558.403
Area 5.1785911040198E+16

Sphere

Radius = n
Volume 8.8650508626714E+24
Surface area 2.0714364416079E+17
Circumference 806697558.403

Square

Length = n
Perimeter 513559616
Area 16483967449129216
Diagonal 181570743.50858

Cube

Length = n
Surface area 98903804694775296
Volume 2.1163749983328E+24
Space diagonal 222377836.90689

Equilateral Triangle

Length = n
Perimeter 385169712
Area 7.1377672830508E+15
Altitude 111188918.45345

Triangular Pyramid

Length = n
Surface area 7.1377672830508E+15
Volume 2.494171854758E+23
Height 60523581.169527