129121028 (number)

129121028 is an even 9-digits composite number following 129121027 and preceding 129121029. In scientific notation, it is written as 1.29121028 × 10^8. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 63141120 positive integers (up to 129121028) that are relatively prime to 129121028.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29121028 × 10^8
Engineering notation 1.29121028 × 10^6

Prime Factorization of 129121028

Prime Factorization 2 × 2 × 59 × 211 × 2593

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 64560514
Product of the distinct prime numbers

The prime factorization of 129121028 is 2 × 2 × 59 × 211 × 2593. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 23, 31, 954, 6, 2728, 2222, 63980, 68309, 772884, 827803, 4665534, 7016603, 23992128, 28456632, 166590995, 82226718, 9534062614, 4294769627

Basic calculations (n = 129121028)

Multiplication

n×y
n×2 258242056
n×3 387363084
n×4 516484112
n×5 645605140

Division

n÷y
n÷2 64560514
n÷3 43040342.666667
n÷3 32280257
n÷5 25824205.6

Exponentiation

ny
n2 16672239871776784
n3 2.1527367513064E+24
n4 2.7796358234206E+32
n5 3.589094349857E+40

Nth Root

y√n
2√n 11363.143403126
3√n 505.43540268676
4√n 106.59804596298
5√n 41.898588742938

Divisors of 129121028

1, 2, 4, 59, 118, 211, 236, 422, 844, 2593, 5186, 10372, 12449, 24898, 49796, 152987, 305974, 547123, 611948, 1094246, 2188492, 32280257, 64560514, 129121028

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 -129121027
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 129121028 can be divided by 24 positive divisors. The sum of these divisors (counting 129121028) is 1, the average is 0.041666666666667.

Base conversion 129121028

Base System Value
2 Binary 111101100100011101100000100
3 Ternary 22222222000202022
4 Quaternary 13230203230010
5 Quinary 231023333103
6 Senary 20451302312
8 Octal 754435404
10 Decimal 129121028
12 Duodecimal 372aa998
16 Hexadecimal 7b23b04
20 Vigesimal 20702b8
36 Base36 24vif8

Cryptographic Hash Functions

md5 9b12606420b0ef6d7048ad73fbe464da
sha1 ea5fe1c75b7c2f78ce2ab6accee21f1e4fff0411
sha256 f1b702edce9bef3daa7b8242ac62364754999369f1c127aa77a349f5a8983c92
sha512 a157794ff38ea217b10740e6d46c179fa7777fe9cc7090d203a7e0cbcf2dbe07711711a64516eda5a5fc10f85aa23babf542292a6b4d887b5eac317c1e7d5989
ripemd-160 46cf5c5674eb11957ef9c34aef003e003363346f

129121028 as geometric shapes

Circle

Radius = n
Diameter 258242056
Circumference 811291345.97752
Area 5.2377386300061E+16

Sphere

Radius = n
Volume 9.017362617356E+24
Surface area 2.0950954520024E+17
Circumference 811291345.97752

Square

Length = n
Perimeter 516484112
Area 16672239871776784
Diagonal 182604708.98516

Cube

Length = n
Surface area 100033439230660704
Volume 2.1527367513064E+24
Space diagonal 223644180.82152

Equilateral Triangle

Length = n
Perimeter 387363084
Area 7.2192916334733E+15
Altitude 111822090.41076

Triangular Pyramid

Length = n
Surface area 7.2192916334733E+15
Volume 2.5370245915971E+23
Height 60868236.328385