129248905 (number)

129248905 is an odd 9-digits composite number following 129248904 and preceding 129248906. In scientific notation, it is written as 1.29248905 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 103399120 positive integers (up to 129248905) that are relatively prime to 129248905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29248905 × 10^8
Engineering notation 1.29248905 × 10^6

Prime Factorization of 129248905

Prime Factorization 5 × 25849781

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129248905
Product of the distinct prime numbers

The prime factorization of 129248905 is 5 × 25849781. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129248905)

Multiplication

n×y
n×2 258497810
n×3 387746715
n×4 516995620
n×5 646244525

Division

n÷y
n÷2 64624452.5
n÷3 43082968.333333
n÷3 32312226.25
n÷5 25849781

Exponentiation

ny
n2 16705279443699025
n3 2.1591390758171E+24
n4 2.7906636129207E+32
n5 3.6069021619335E+40

Nth Root

y√n
2√n 11368.768842755
3√n 505.60220288131
4√n 106.62442892112
5√n 41.906884439895

Divisors of 129248905

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129248904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129248905 can be divided by 4 positive divisors. The sum of these divisors (counting 129248905) is 1, the average is 0.25.

Base conversion 129248905

Base System Value
2 Binary 111101101000010111010001001
3 Ternary 100000012112011111
4 Quaternary 13231002322021
5 Quinary 231041431110
6 Senary 20454130321
8 Octal 755027211
10 Decimal 129248905
12 Duodecimal 373509a1
16 Hexadecimal 7b42e89
20 Vigesimal 207g255
36 Base36 24y93d

Cryptographic Hash Functions

md5 a8a80711db9074c3c6a70ca52dc195f5
sha1 dd7415cddf8861da5b1bf7c5a26adc8494ce660e
sha256 fe3307ad42f400a48d71320552e6e60f48b336a5b35d91a9e8ad95f151e73567
sha512 7ea9915581b5aac931ab50aa258d51067965083f16878fb48e4045c2327769d11ef259a563a5b61b0177e051bf3f399956a272e9dd5b9018a76e3ebeb72003f7
ripemd-160 92b5cef6540393acc76f8e59d6cb73be5727302f

129248905 as geometric shapes

Circle

Radius = n
Diameter 258497810
Circumference 812094820.86505
Area 5.2481183176489E+16

Sphere

Radius = n
Volume 9.0441806115542E+24
Surface area 2.0992473270596E+17
Circumference 812094820.86505

Square

Length = n
Perimeter 516995620
Area 16705279443699025
Diagonal 182785554.37287

Cube

Length = n
Surface area 100231676662194150
Volume 2.1591390758171E+24
Space diagonal 223865670.28264

Equilateral Triangle

Length = n
Perimeter 387746715
Area 7.2335981877807E+15
Altitude 111932835.14132

Triangular Pyramid

Length = n
Surface area 7.2335981877807E+15
Volume 2.5445698033919E+23
Height 60928518.124291