129121902 (number)

129121902 is an even 9-digits composite number following 129121901 and preceding 129121903. In scientific notation, it is written as 1.29121902 × 10^8. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 32044032 positive integers (up to 129121902) that are relatively prime to 129121902.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29121902 × 10^8
Engineering notation 1.29121902 × 10^6

Prime Factorization of 129121902

Prime Factorization 2 × 63 × 13 × 17 × 4637

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129121902
Product of the distinct prime numbers

The prime factorization of 129121902 is 2 × 63 × 13 × 17 × 4637. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 2, 19, 89, 241, 864, 7746, 1320, 91756, 10189, 834694, 510331, 7273695, 5581744, 89702108, 49994659, 74890276, 10479877, 8730982237, 4574769396

Basic calculations (n = 129121902)

Multiplication

n×y
n×2 258243804
n×3 387365706
n×4 516487608
n×5 645609510

Division

n÷y
n÷2 64560951
n÷3 43040634
n÷3 32280475.5
n÷5 25824380.4

Exponentiation

ny
n2 16672465576097604
n3 2.1527804662152E+24
n4 2.7797110838616E+32
n5 3.5892158215869E+40

Nth Root

y√n
2√n 11363.181860729
3√n 505.43654308853
4√n 106.59822634889
5√n 41.898645463781

Divisors of 129121902

1, 2, 13, 17, 26, 34, 63, 126, 221, 442, 819, 1071, 1638, 2142, 4637, 9274, 13923, 27846, 60281, 78829, 120562, 157658, 292131, 584262, 1024777, 2049554, 3797703, 4966227, 7595406, 9932454, 64560951, 129121902

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129121901
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129121902 can be divided by 32 positive divisors. The sum of these divisors (counting 129121902) is 1, the average is 0.03125.

Base conversion 129121902

Base System Value
2 Binary 111101100100011111001101110
3 Ternary 22222222001221200
4 Quaternary 13230203321232
5 Quinary 231023400102
6 Senary 20451310330
8 Octal 754437156
10 Decimal 129121902
12 Duodecimal 372ab3a6
16 Hexadecimal 7b23e6e
20 Vigesimal 20704f2
36 Base36 24vj3i

Cryptographic Hash Functions

md5 d9691f7f745f031d3eb63a3afbf065f1
sha1 9f4af929eb58e44f84c4b741c0795a7ac68c0af7
sha256 fe7515ad2ee8200ab1eb77e4b16fe5865af4b49d0b2c1f97b603f993279f2cf4
sha512 f8bca7de5eb2f73c482bb03b537f137ee840e30db7b6a8eb1d5f78462413c6c3af9abdbf4935db8e94f587137c9882ac1be9dcbedaad2d92c42f28ff7b9a5e30
ripemd-160 e6f40983bcf1f40a45964466a2c2e75a18d4d2d6

129121902 as geometric shapes

Circle

Radius = n
Diameter 258243804
Circumference 811296837.48148
Area 5.2378095371097E+16

Sphere

Radius = n
Volume 9.0175457299379E+24
Surface area 2.0951238148439E+17
Circumference 811296837.48148

Square

Length = n
Perimeter 516487608
Area 16672465576097604
Diagonal 182605945.00781

Cube

Length = n
Surface area 100034793456585624
Volume 2.1527804662152E+24
Space diagonal 223645694.63393

Equilateral Triangle

Length = n
Perimeter 387365706
Area 7.219389366311E+15
Altitude 111822847.31696

Triangular Pyramid

Length = n
Surface area 7.219389366311E+15
Volume 2.5370761101112E+23
Height 60868648.335937