128429904 (number)

128429904 is an even 9-digits composite number following 128429903 and preceding 128429905. In scientific notation, it is written as 1.28429904 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 42415488 positive integers (up to 128429904) that are relatively prime to 128429904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28429904 × 10^8
Engineering notation 1.28429904 × 10^6

Prime Factorization of 128429904

Prime Factorization 2 × 2 × 2 × 2 × 3 × 109 × 24547

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16053738
Product of the distinct prime numbers

The prime factorization of 128429904 is 2 × 2 × 2 × 2 × 3 × 109 × 24547. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128429904)

Multiplication

n×y
n×2 256859808
n×3 385289712
n×4 513719616
n×5 642149520

Division

n÷y
n÷2 64214952
n÷3 42809968
n÷3 32107476
n÷5 25685980.8

Exponentiation

ny
n2 16494240241449216
n3 2.1183536907623E+24
n4 2.7205996114264E+32
n5 3.4940634691793E+40

Nth Root

y√n
2√n 11332.691824981
3√n 504.53200311808
4√n 106.45511648099
5√n 41.853639724057

Divisors of 128429904

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128429903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128429904 can be divided by 40 positive divisors. The sum of these divisors (counting 128429904) is 1, the average is 0.025.

Base conversion 128429904

Base System Value
2 Binary 111101001111010111101010000
3 Ternary 22221122220201010
4 Quaternary 13221322331100
5 Quinary 230334224104
6 Senary 20424410520
8 Octal 751727520
10 Decimal 128429904
12 Duodecimal 37016a40
16 Hexadecimal 7a7af50
20 Vigesimal 202def4
36 Base36 24gp5c

Cryptographic Hash Functions

md5 f2ad757c2418647a66727cf0b4b264ff
sha1 090c1fc85a124da2fe229ea089af3de59ecd5564
sha256 3f104ba30fbc117f1fe61e61557fc2ae5423db43eb56d59ed2d05ef5edfa9b6e
sha512 9720b9f894443bfbeb7aed79e073b9aca40bfa1647aa23cfbefc6510c44bc1e3da428273ab1aed2d968b8b8c8640c92fe398e0b79defb19128ea70a21f97def8
ripemd-160 c049b82dde9f99a1d1622227c7c282133720b6f8

128429904 as geometric shapes

Circle

Radius = n
Diameter 256859808
Circumference 806948885.81528
Area 5.1818183969082E+16

Sphere

Radius = n
Volume 8.8733391901381E+24
Surface area 2.0727273587633E+17
Circumference 806948885.81528

Square

Length = n
Perimeter 513719616
Area 16494240241449216
Diagonal 181627312.05107

Cube

Length = n
Surface area 98965441448695296
Volume 2.1183536907623E+24
Space diagonal 222447118.93919

Equilateral Triangle

Length = n
Perimeter 385289712
Area 7.1422155326093E+15
Altitude 111223559.4696

Triangular Pyramid

Length = n
Surface area 7.1422155326093E+15
Volume 2.4965037661492E+23
Height 60542437.350358