129121664 (number)

129121664 is an even 9-digits composite number following 129121663 and preceding 129121665. In scientific notation, it is written as 1.29121664 × 10^8. The sum of its digits is 32. It has a total of 12 prime factors and 128 positive divisors. There are 51781632 positive integers (up to 129121664) that are relatively prime to 129121664.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29121664 × 10^8
Engineering notation 1.29121664 × 10^6

Prime Factorization of 129121664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 17 × 173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 41174
Product of the distinct prime numbers

The prime factorization of 129121664 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 17 × 173. Since it has a total of 12 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129121664)

Multiplication

n×y
n×2 258243328
n×3 387364992
n×4 516486656
n×5 645608320

Division

n÷y
n÷2 64560832
n÷3 43040554.666667
n÷3 32280416
n÷5 25824332.8

Exponentiation

ny
n2 16672404114128896
n3 2.1527685620968E+24
n4 2.7796905894482E+32
n5 3.589182743147E+40

Nth Root

y√n
2√n 11363.171388305
3√n 505.43623254485
4√n 106.59817722787
5√n 41.89863001809

Divisors of 129121664

128 divisors

τ Total Divisors 128
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129121663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0078125
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 128
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129121664 can be divided by 128 positive divisors. The sum of these divisors (counting 129121664) is 1, the average is 0.0078125.

Base conversion 129121664

Base System Value
2 Binary 111101100100011110110000000
3 Ternary 22222222001121212
4 Quaternary 13230203312000
5 Quinary 231023343124
6 Senary 20451305252
8 Octal 754436600
10 Decimal 129121664
12 Duodecimal 372ab228
16 Hexadecimal 7b23d80
20 Vigesimal 2070434
36 Base36 24viww

Cryptographic Hash Functions

md5 0ef28431866ee5d6a65e925ebaf99d83
sha1 87e2f7c0aba9fc677da167f562ed953a7cce89a2
sha256 8d2b3610685fb15c05a488209dc011c9faa2fdce5ef15a9ace563792191d9070
sha512 8a9bee711e6141e533ab7cfe6872e9f541b05e99fcc6488cfd4e8eab5218f91f6d21d25eed01620ad66020dec199abc7acf7a428f920c9f27b6555a858e8d5d2
ripemd-160 a06a5a776aa200e694aae32b08dd6e552956eac9

129121664 as geometric shapes

Circle

Radius = n
Diameter 258243328
Circumference 811295342.08338
Area 5.2377902282628E+16

Sphere

Radius = n
Volume 9.017495866083E+24
Surface area 2.0951160913051E+17
Circumference 811295342.08338

Square

Length = n
Perimeter 516486656
Area 16672404114128896
Diagonal 182605608.42498

Cube

Length = n
Surface area 100034424684773376
Volume 2.1527685620968E+24
Space diagonal 223645282.40584

Equilateral Triangle

Length = n
Perimeter 387364992
Area 7.2193627524979E+15
Altitude 111822641.20292

Triangular Pyramid

Length = n
Surface area 7.2193627524979E+15
Volume 2.5370620809731E+23
Height 60868536.141661