129121975 (number)

129121975 is an odd 9-digits composite number following 129121974 and preceding 129121976. In scientific notation, it is written as 1.29121975 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 99964800 positive integers (up to 129121975) that are relatively prime to 129121975.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29121975 × 10^8
Engineering notation 1.29121975 × 10^6

Prime Factorization of 129121975

Prime Factorization 25 × 31 × 166609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129121975
Product of the distinct prime numbers

The prime factorization of 129121975 is 25 × 31 × 166609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 26, 48, 740, 826, 8408, 9758, 82002, 41239, 424114, 3947, 9814370, 5413279, 75533944, 53595599, 86279512, 127651345, 988026681, 2362456854

Basic calculations (n = 129121975)

Multiplication

n×y
n×2 258243950
n×3 387365925
n×4 516487900
n×5 645609875

Division

n÷y
n÷2 64560987.5
n÷3 43040658.333333
n÷3 32280493.75
n÷5 25824395

Exponentiation

ny
n2 16672484427900625
n3 2.1527841174873E+24
n4 2.7797173699859E+32
n5 3.5892259675438E+40

Nth Root

y√n
2√n 11363.185072857
3√n 505.43663833925
4√n 106.59824141541
5√n 41.89865020132

Divisors of 129121975

1, 25, 31, 775, 166609, 4165225, 5164879, 129121975

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 -129121974
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 129121975 can be divided by 8 positive divisors. The sum of these divisors (counting 129121975) is 1, the average is 0.125.

Base conversion 129121975

Base System Value
2 Binary 111101100100011111010110111
3 Ternary 22222222002001101
4 Quaternary 13230203322313
5 Quinary 231023400400
6 Senary 20451310531
8 Octal 754437267
10 Decimal 129121975
12 Duodecimal 372ab447
16 Hexadecimal 7b23eb7
20 Vigesimal 20704if
36 Base36 24vj5j

Cryptographic Hash Functions

md5 f42f41adc6115b212e3d8889a2bc371c
sha1 0185d8b3d53acd8a5c0800e2e88a0231f616b8e1
sha256 21c5a0950faef62ebc0396a2c62e92066af1679d4e65da7b7459818bfcd16bc2
sha512 fd816318f1fbe326b60c856840e93504416cf6b55e689e0fd14ecef56a2879226bf4be524649101b40fea072582c65c0f3f4ea7fe0854753f1974843f674b326
ripemd-160 8d9db7b045d5f70e7150f0c2a277c6a05e5f0439

129121975 as geometric shapes

Circle

Radius = n
Diameter 258243950
Circumference 811297296.15401
Area 5.2378154595783E+16

Sphere

Radius = n
Volume 9.0175610243504E+24
Surface area 2.0951261838313E+17
Circumference 811297296.15401

Square

Length = n
Perimeter 516487900
Area 16672484427900625
Diagonal 182606048.2454

Cube

Length = n
Surface area 100034906567403750
Volume 2.1527841174873E+24
Space diagonal 223645821.07364

Equilateral Triangle

Length = n
Perimeter 387365925
Area 7.2193975293812E+15
Altitude 111822910.53682

Triangular Pyramid

Length = n
Surface area 7.2193975293812E+15
Volume 2.5370804131766E+23
Height 60868682.748467