129123490 (number)

129123490 is an even 9-digits composite number following 129123489 and preceding 129123491. In scientific notation, it is written as 1.29123490 × 10^8. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 51116544 positive integers (up to 129123490) that are relatively prime to 129123490.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-three thousand four hundred ninety

Notation

Scientific notation 1.29123490 × 10^8
Engineering notation 1.29123490 × 10^6

Prime Factorization of 129123490

Prime Factorization 2 × 5 × 97 × 133117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129123490
Product of the distinct prime numbers

The prime factorization of 129123490 is 2 × 5 × 97 × 133117. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129123490)

Multiplication

n×y
n×2 258246980
n×3 387370470
n×4 516493960
n×5 645617450

Division

n÷y
n÷2 64561745
n÷3 43041163.333333
n÷3 32280872.5
n÷5 25824698

Exponentiation

ny
n2 16672875669780100
n3 2.1528598948181E+24
n4 2.7798478309995E+32
n5 3.5894365360758E+40

Nth Root

y√n
2√n 11363.251735309
3√n 505.43861510969
4√n 106.59855409577
5√n 41.898748521001

Divisors of 129123490

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129123489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129123490 can be divided by 16 positive divisors. The sum of these divisors (counting 129123490) is 1, the average is 0.0625.

Base conversion 129123490

Base System Value
2 Binary 111101100100100010010100010
3 Ternary 22222222011010111
4 Quaternary 13230210102202
5 Quinary 231023422430
6 Senary 20451321534
8 Octal 754442242
10 Decimal 129123490
12 Duodecimal 372b02aa
16 Hexadecimal 7b244a2
20 Vigesimal 20708ea
36 Base36 24vkbm

Cryptographic Hash Functions

md5 88deaf284550fcbe033719e0549f76ba
sha1 30e667e06aed5151484df3457f48854449bf6b73
sha256 f2d870332f0b8d404a0c4ea7d92ee259375fa2d0b48692d56317bd52720ea911
sha512 ff956d42560bca4db422aced4813a9bde8ba4a457dc269c14aed22f67c63bdd8adb158d251665d4b97e54296dffbe6959e40d627d85cce816a545ce7de04add7
ripemd-160 2a6e03d5d699c22d8e5271eaea3112337d0f40a6

129123490 as geometric shapes

Circle

Radius = n
Diameter 258246980
Circumference 811306815.17975
Area 5.2379383718397E+16

Sphere

Radius = n
Volume 9.0178784396915E+24
Surface area 2.0951753487359E+17
Circumference 811306815.17975

Square

Length = n
Perimeter 516493960
Area 16672875669780100
Diagonal 182608190.77895

Cube

Length = n
Surface area 100037254018680600
Volume 2.1528598948181E+24
Space diagonal 223648445.13061

Equilateral Triangle

Length = n
Perimeter 387370470
Area 7.2195669420845E+15
Altitude 111824222.56531

Triangular Pyramid

Length = n
Surface area 7.2195669420845E+15
Volume 2.5371697176174E+23
Height 60869396.926316