129121903 (number)

129121903 is an odd 9-digits composite number following 129121902 and preceding 129121904. In scientific notation, it is written as 1.29121903 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 128842560 positive integers (up to 129121903) that are relatively prime to 129121903.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29121903 × 10^8
Engineering notation 1.29121903 × 10^6

Prime Factorization of 129121903

Prime Factorization 463 × 278881

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129121903
Product of the distinct prime numbers

The prime factorization of 129121903 is 463 × 278881. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129121903)

Multiplication

n×y
n×2 258243806
n×3 387365709
n×4 516487612
n×5 645609515

Division

n÷y
n÷2 64560951.5
n÷3 43040634.333333
n÷3 32280475.75
n÷5 25824380.6

Exponentiation

ny
n2 16672465834341409
n3 2.1527805162326E+24
n4 2.7797111699728E+32
n5 3.5892159605725E+40

Nth Root

y√n
2√n 11363.181904731
3√n 505.43654439334
4√n 106.59822655528
5√n 41.898645528678

Divisors of 129121903

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 -129121902
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 129121903 can be divided by 4 positive divisors. The sum of these divisors (counting 129121903) is 1, the average is 0.25.

Base conversion 129121903

Base System Value
2 Binary 111101100100011111001101111
3 Ternary 22222222001221201
4 Quaternary 13230203321233
5 Quinary 231023400103
6 Senary 20451310331
8 Octal 754437157
10 Decimal 129121903
12 Duodecimal 372ab3a7
16 Hexadecimal 7b23e6f
20 Vigesimal 20704f3
36 Base36 24vj3j

Cryptographic Hash Functions

md5 0ee809a962d2ac2cca34e42de32afaf5
sha1 1544aad4f7ca1a45a62464f616320ce94b946b75
sha256 8f4e112249bc45af43db4ae1b86dbb21126ee58199c0d99edd9cd2d68338fdb2
sha512 d5db5e2f2c547fae4247ea1cf389609ea6e0e8d944b6564c3ef1914e0595cee36c9da9e8ebdb58acc56a4d8fa60a122a8431ad7e2b8f555bd3a0178a35bf9e95
ripemd-160 f721ae23b0ea9b601e74b0552e9f8284560688ba

129121903 as geometric shapes

Circle

Radius = n
Diameter 258243806
Circumference 811296843.76467
Area 5.2378096182394E+16

Sphere

Radius = n
Volume 9.0175459394503E+24
Surface area 2.0951238472958E+17
Circumference 811296843.76467

Square

Length = n
Perimeter 516487612
Area 16672465834341409
Diagonal 182605946.42202

Cube

Length = n
Surface area 100034795006048454
Volume 2.1527805162326E+24
Space diagonal 223645696.36598

Equilateral Triangle

Length = n
Perimeter 387365709
Area 7.2193894781339E+15
Altitude 111822848.18299

Triangular Pyramid

Length = n
Surface area 7.2193894781339E+15
Volume 2.5370761690573E+23
Height 60868648.807341