129968688 (number)

129968688 is an even 9-digits composite number following 129968687 and preceding 129968689. In scientific notation, it is written as 1.29968688 × 10^8. The sum of its digits is 57. It has a total of 7 prime factors and 40 positive divisors. There are 42265600 positive integers (up to 129968688) that are relatively prime to 129968688.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million nine hundred sixty-eight thousand six hundred eighty-eight

Notation

Scientific notation 1.29968688 × 10^8
Engineering notation 1.29968688 × 10^6

Prime Factorization of 129968688

Prime Factorization 2 × 2 × 2 × 2 × 3 × 41 × 66041

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16246086
Product of the distinct prime numbers

The prime factorization of 129968688 is 2 × 2 × 2 × 2 × 3 × 41 × 66041. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129968688)

Multiplication

n×y
n×2 259937376
n×3 389906064
n×4 519874752
n×5 649843440

Division

n÷y
n÷2 64984344
n÷3 43322896
n÷3 32492172
n÷5 25993737.6

Exponentiation

ny
n2 16891859860441344
n3 2.1954128639414E+24
n4 2.8533492954479E+32
n5 3.7084606433509E+40

Nth Root

y√n
2√n 11400.381046263
3√n 506.53902678877
4√n 106.77256691802
5√n 41.953456430603

Divisors of 129968688

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129968687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129968688 can be divided by 40 positive divisors. The sum of these divisors (counting 129968688) is 1, the average is 0.025.

Base conversion 129968688

Base System Value
2 Binary 111101111110010101000110000
3 Ternary 100001120002112010
4 Quaternary 13233302220300
5 Quinary 231232444223
6 Senary 20521402520
8 Octal 757625060
10 Decimal 129968688
12 Duodecimal 37639440
16 Hexadecimal 7bf2a30
20 Vigesimal 20c61e8
36 Base36 25dohc

Cryptographic Hash Functions

md5 288027c72205bfe5360c145f6aedfd4b
sha1 9e6d4bffc47ac9862b5b900b373a0eaa7ebc4528
sha256 c7aa0053866efc640fee50ca30a732643da4ab8a9da2468d06200d2cb2260469
sha512 a7baf79593258a602d67d30531d854f7349a7dc8960f0a7b1cbcb970a50c89269f1e312bff163fcd71d3bfc7fa916d47d26b9fb2b3660a29970c24ecd3911bc2
ripemd-160 8b69686cb6c803ab223f79d5e2059ca4845aa80c

129968688 as geometric shapes

Circle

Radius = n
Diameter 259937376
Circumference 816617350.83501
Area 5.3067342843031E+16

Sphere

Radius = n
Volume 9.1961238999399E+24
Surface area 2.1226937137212E+17
Circumference 816617350.83501

Square

Length = n
Perimeter 519874752
Area 16891859860441344
Diagonal 183803481.25344

Cube

Length = n
Surface area 101351159162648064
Volume 2.1954128639414E+24
Space diagonal 225112371.00907

Equilateral Triangle

Length = n
Perimeter 389906064
Area 7.3143898781544E+15
Altitude 112556185.50453

Triangular Pyramid

Length = n
Surface area 7.3143898781544E+15
Volume 2.5873188726619E+23
Height 61267827.084479