129128440 (number)

129128440 is an even 9-digits composite number following 129128439 and preceding 129128441. In scientific notation, it is written as 1.29128440 × 10^8. The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors. There are 42345600 positive integers (up to 129128440) that are relatively prime to 129128440.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29128440 × 10^8
Engineering notation 1.29128440 × 10^6

Prime Factorization of 129128440

Prime Factorization 2 × 2 × 2 × 35 × 23 × 20051

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32282110
Product of the distinct prime numbers

The prime factorization of 129128440 is 2 × 2 × 2 × 35 × 23 × 20051. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 7, 16, 22, 107, 681, 680, 7252, 43311, 74467, 352752, 100006, 4289671, 1548132, 30480560, 29919042, 47703824, 738699335, 952571587, 5468874983

Basic calculations (n = 129128440)

Multiplication

n×y
n×2 258256880
n×3 387385320
n×4 516513760
n×5 645642200

Division

n÷y
n÷2 64564220
n÷3 43042813.333333
n÷3 32282110
n÷5 25825688

Exponentiation

ny
n2 16674154016833600
n3 2.1531074965135E+24
n4 2.7802741217709E+32
n5 3.5901246011664E+40

Nth Root

y√n
2√n 11363.469540594
3√n 505.44507375682
4√n 106.5995757055
5√n 41.899069757091

Divisors of 129128440

1, 2, 4, 8, 23, 35, 46, 70, 92, 140, 184, 280, 805, 1610, 3220, 6440, 20051, 40102, 80204, 160408, 461173, 701785, 922346, 1403570, 1844692, 2807140, 3689384, 5614280, 16141055, 32282110, 64564220, 129128440

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129128439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129128440 can be divided by 32 positive divisors. The sum of these divisors (counting 129128440) is 1, the average is 0.03125.

Base conversion 129128440

Base System Value
2 Binary 111101100100101011111111000
3 Ternary 22222222101220211
4 Quaternary 13230211133320
5 Quinary 231024102230
6 Senary 20451400504
8 Octal 754453770
10 Decimal 129128440
12 Duodecimal 372b3134
16 Hexadecimal 7b257f8
20 Vigesimal 2071120
36 Base36 24vo54

Cryptographic Hash Functions

md5 5711deff763bae509f30f75c612ca2a6
sha1 834ef7e9ffd53b40ab389a4c75c998fbc2dc78bd
sha256 d88ea1d40f716b128200034393fc28843e6cb37e54e101ce6e8b1d19f20ab799
sha512 df7c4d8a6936c182880b85f0ac9fc55e4029c5e2b740054bf59470e9be61a0a025a498e397a498faa9198eb6fbfae6c4f10b5b802bd9cf15be7cad33c39beea4
ripemd-160 7a40899d19181df0167d0edef9e3ccaace8367df

129128440 as geometric shapes

Circle

Radius = n
Diameter 258256880
Circumference 811337916.94702
Area 5.2383399764109E+16

Sphere

Radius = n
Volume 9.0189155912477E+24
Surface area 2.0953359905644E+17
Circumference 811337916.94702

Square

Length = n
Perimeter 516513760
Area 16674154016833600
Diagonal 182615191.13608

Cube

Length = n
Surface area 100044924101001600
Volume 2.1531074965135E+24
Space diagonal 223657018.78211

Equilateral Triangle

Length = n
Perimeter 387385320
Area 7.2201204825961E+15
Altitude 111828509.39105

Triangular Pyramid

Length = n
Surface area 7.2201204825961E+15
Volume 2.5374615190138E+23
Height 60871730.378693