129173728 (number)

129173728 is an even 9-digits composite number following 129173727 and preceding 129173729. In scientific notation, it is written as 1.29173728 × 10^8. The sum of its digits is 40. It has a total of 7 prime factors and 24 positive divisors. There are 64519680 positive integers (up to 129173728) that are relatively prime to 129173728.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred seventy-three thousand seven hundred twenty-eight

Notation

Scientific notation 1.29173728 × 10^8
Engineering notation 1.29173728 × 10^6

Prime Factorization of 129173728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2711 × 1489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8073358
Product of the distinct prime numbers

The prime factorization of 129173728 is 2 × 2 × 2 × 2 × 2 × 2711 × 1489. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129173728)

Multiplication

n×y
n×2 258347456
n×3 387521184
n×4 516694912
n×5 645868640

Division

n÷y
n÷2 64586864
n÷3 43057909.333333
n÷3 32293432
n÷5 25834745.6

Exponentiation

ny
n2 16685852005417984
n3 2.1553737083961E+24
n4 2.7841765714671E+32
n5 3.5964246714667E+40

Nth Root

y√n
2√n 11365.462067158
3√n 505.50415684483
4√n 106.60892114245
5√n 41.902008317995

Divisors of 129173728

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129173727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129173728 can be divided by 24 positive divisors. The sum of these divisors (counting 129173728) is 1, the average is 0.041666666666667.

Base conversion 129173728

Base System Value
2 Binary 111101100110000100011100000
3 Ternary 100000001201001011
4 Quaternary 13230300203200
5 Quinary 231032024403
6 Senary 20452350304
8 Octal 754604340
10 Decimal 129173728
12 Duodecimal 37315394
16 Hexadecimal 7b308e0
20 Vigesimal 2076e68
36 Base36 24wn34

Cryptographic Hash Functions

md5 eb0b5d84ded34545f2e15e3b9fbd66fc
sha1 26554a88290463293bd473698f14849b96c92188
sha256 8e2d988a65d0cc52b49923744a46f28cd299f007b91b0c2d19e60419fc77a72c
sha512 71de86be8fa6dc441ff8a049c037462652e5d3c20fa8598eb513fb62da614d9491f5b3afbbf30ce31c19223cd89330d3d481768078f210d2e08122447e35ac4d
ripemd-160 7088adf8b2946ed6d10dec7eac04732ab88208c2

129173728 as geometric shapes

Circle

Radius = n
Diameter 258347456
Circumference 811622469.84321
Area 5.2420150079108E+16

Sphere

Radius = n
Volume 9.0284082773838E+24
Surface area 2.0968060031643E+17
Circumference 811622469.84321

Square

Length = n
Perimeter 516694912
Area 16685852005417984
Diagonal 182679238.03989

Cube

Length = n
Surface area 100115112032507904
Volume 2.1553737083961E+24
Space diagonal 223735459.89908

Equilateral Triangle

Length = n
Perimeter 387521184
Area 7.2251858602397E+15
Altitude 111867729.94954

Triangular Pyramid

Length = n
Surface area 7.2251858602397E+15
Volume 2.5401322753302E+23
Height 60893079.346631