129121661 (number)

129121661 is an odd 9-digits composite number following 129121660 and preceding 129121662. In scientific notation, it is written as 1.29121661 × 10^8. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 128509500 positive integers (up to 129121661) that are relatively prime to 129121661.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29121661 × 10^8
Engineering notation 1.29121661 × 10^6

Prime Factorization of 129121661

Prime Factorization 211 × 611951

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129121661
Product of the distinct prime numbers

The prime factorization of 129121661 is 211 × 611951. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 8, 79, 55, 576, 960, 7912, 221, 445, 92838, 70000, 698969, 6355255, 9502866, 12413808, 79856993, 575933129, 459686153, 3228614106, 8329960184

Basic calculations (n = 129121661)

Multiplication

n×y
n×2 258243322
n×3 387364983
n×4 516486644
n×5 645608305

Division

n÷y
n÷2 64560830.5
n÷3 43040553.666667
n÷3 32280415.25
n÷5 25824332.2

Exponentiation

ny
n2 16672403339398921
n3 2.1527684120451E+24
n4 2.779690331116E+32
n5 3.5891823261934E+40

Nth Root

y√n
2√n 11363.1712563
3√n 505.43622863043
4√n 106.5981766087
5√n 41.898629823396

Divisors of 129121661

1, 211, 611951, 129121661

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 -129121660
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 129121661 can be divided by 4 positive divisors. The sum of these divisors (counting 129121661) is 1, the average is 0.25.

Base conversion 129121661

Base System Value
2 Binary 111101100100011110101111101
3 Ternary 22222222001121202
4 Quaternary 13230203311331
5 Quinary 231023343121
6 Senary 20451305245
8 Octal 754436575
10 Decimal 129121661
12 Duodecimal 372ab225
16 Hexadecimal 7b23d7d
20 Vigesimal 2070431
36 Base36 24viwt

Cryptographic Hash Functions

md5 f16ae3e3aeca47a7688ffdb90895d860
sha1 f501dead121170f01723345d4060591207b8ec7f
sha256 4d26ce961d44842f60d6d8a1d7df4ddf7efa2a02bb786825ea7fe714ccc9a045
sha512 4cba16740172b0549aa5db5e3e42daff08d5bcb08bdb451cd773e24470159a712a94b4c20afb5ca99d85bc37933da888b24662f80732a38c50533365ae4fb6d6
ripemd-160 37be4ca5b4d3a7043b80d7be0a9944a08f59ec91

129121661 as geometric shapes

Circle

Radius = n
Diameter 258243322
Circumference 811295323.23382
Area 5.2377899848742E+16

Sphere

Radius = n
Volume 9.0174952375482E+24
Surface area 2.0951159939497E+17
Circumference 811295323.23382

Square

Length = n
Perimeter 516486644
Area 16672403339398921
Diagonal 182605604.18234

Cube

Length = n
Surface area 100034420036393526
Volume 2.1527684120451E+24
Space diagonal 223645277.20968

Equilateral Triangle

Length = n
Perimeter 387364983
Area 7.21936241703E+15
Altitude 111822638.60484

Triangular Pyramid

Length = n
Surface area 7.21936241703E+15
Volume 2.5370619041355E+23
Height 60868534.727447