129040905 (number)

129040905 is an odd 9-digits composite number following 129040904 and preceding 129040906. In scientific notation, it is written as 1.29040905 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 58990080 positive integers (up to 129040905) that are relatively prime to 129040905.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million forty thousand nine hundred five

Notation

Scientific notation 1.29040905 × 10^8
Engineering notation 1.29040905 × 10^6

Prime Factorization of 129040905

Prime Factorization 21 × 5 × 1228961

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129040905
Product of the distinct prime numbers

The prime factorization of 129040905 is 21 × 5 × 1228961. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129040905)

Multiplication

n×y
n×2 258081810
n×3 387122715
n×4 516163620
n×5 645204525

Division

n÷y
n÷2 64520452.5
n÷3 43013635
n÷3 32260226.25
n÷5 25808181

Exponentiation

ny
n2 16651555163219025
n3 2.1487317479192E+24
n4 2.7727428935373E+32
n5 3.5779725231437E+40

Nth Root

y√n
2√n 11359.617291089
3√n 505.33083572668
4√n 106.58150538948
5√n 41.893387616149

Divisors of 129040905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129040904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129040905 can be divided by 8 positive divisors. The sum of these divisors (counting 129040905) is 1, the average is 0.125.

Base conversion 129040905

Base System Value
2 Binary 111101100010000001000001001
3 Ternary 22222210221211210
4 Quaternary 13230100020021
5 Quinary 231013302110
6 Senary 20445443333
8 Octal 754201011
10 Decimal 129040905
12 Duodecimal 37270549
16 Hexadecimal 7b10209
20 Vigesimal 206a255
36 Base36 24tsll

Cryptographic Hash Functions

md5 ff24482d04414410204954fc1fcc5a76
sha1 a7ae936cb0f339e7732c6f8e08fe862cce583a9d
sha256 467cebf5d2a1caea771f8eb7902a472e344193b48568d3bca7f7fd481667f141
sha512 840a6f1da0fab6f5a9e06c427fb7b0d7e6ac8705c37e5bfaeb24bfc9c56ca93365d0589eebb5409b291a99abcd8ed22f06b51293ca506c991ef54acb868b236a
ripemd-160 5293a2ab8e6615c30f49a7675bd309fd5dd3c094

129040905 as geometric shapes

Circle

Radius = n
Diameter 258081810
Circumference 810787918.32116
Area 5.2312403371614E+16

Sphere

Radius = n
Volume 9.0005864983975E+24
Surface area 2.0924961348646E+17
Circumference 810787918.32116

Square

Length = n
Perimeter 516163620
Area 16651555163219025
Diagonal 182491397.9519

Cube

Length = n
Surface area 99909330979314150
Volume 2.1487317479192E+24
Space diagonal 223505403.71467

Equilateral Triangle

Length = n
Perimeter 387122715
Area 7.2103348919328E+15
Altitude 111752701.85733

Triangular Pyramid

Length = n
Surface area 7.2103348919328E+15
Volume 2.5323046498408E+23
Height 60830465.983966