129207928 (number)

129207928 is an even 9-digits composite number following 129207927 and preceding 129207929. In scientific notation, it is written as 1.29207928 × 10^8. The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors. There are 61434208 positive integers (up to 129207928) that are relatively prime to 129207928.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29207928 × 10^8
Engineering notation 1.29207928 × 10^6

Prime Factorization of 129207928

Prime Factorization 2 × 2 × 2 × 23 × 179 × 3923

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32301982
Product of the distinct prime numbers

The prime factorization of 129207928 is 2 × 2 × 2 × 23 × 179 × 3923. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 1, 41, 2, 97, 36, 510, 2212, 55433, 62170, 522460, 580794, 4500027, 7195883, 27282221, 13126956, 428214443, 703527036, 9558772023, 3984481798

Basic calculations (n = 129207928)

Multiplication

n×y
n×2 258415856
n×3 387623784
n×4 516831712
n×5 646039640

Division

n÷y
n÷2 64603964
n÷3 43069309.333333
n÷3 32301982
n÷5 25841585.6

Exponentiation

ny
n2 16694688658053184
n3 2.1570861301122E+24
n4 2.7871262938933E+32
n5 3.6011881350827E+40

Nth Root

y√n
2√n 11366.966525859
3√n 505.54876528782
4√n 106.61597687898
5√n 41.904226875847

Divisors of 129207928

1, 2, 4, 8, 23, 46, 92, 179, 184, 358, 716, 1432, 3923, 4117, 7846, 8234, 15692, 16468, 31384, 32936, 90229, 180458, 360916, 702217, 721832, 1404434, 2808868, 5617736, 16150991, 32301982, 64603964, 129207928

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 -129207927
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 129207928 can be divided by 32 positive divisors. The sum of these divisors (counting 129207928) is 1, the average is 0.03125.

Base conversion 129207928

Base System Value
2 Binary 111101100111000111001111000
3 Ternary 100000010102221211
4 Quaternary 13230320321320
5 Quinary 231034123203
6 Senary 20453212504
8 Octal 754707170
10 Decimal 129207928
12 Duodecimal 37331134
16 Hexadecimal 7b38e78
20 Vigesimal 207ajg8
36 Base36 24xdh4

Cryptographic Hash Functions

md5 c37cd00a27276322bfe4cb05e3a1ffce
sha1 065602bf5c302c34312bfd5e757abd6e0f4d7a73
sha256 77dca0997653030156006ebb03755c41599742efbcbb3bd6e376448d9f74a99b
sha512 f77496afdae22c316be216bd11cac42b5394dc67602becf4b33548dcd9a963d215cb2c0d0da578791af7d127e9998d5fe5fa65e054cf5b73569624d1f1b81c5d
ripemd-160 92aef23942d9637311343af10dee7c264c8efa1a

129207928 as geometric shapes

Circle

Radius = n
Diameter 258415856
Circumference 811837354.78072
Area 5.2447911242109E+16

Sphere

Radius = n
Volume 9.0355812526944E+24
Surface area 2.0979164496843E+17
Circumference 811837354.78072

Square

Length = n
Perimeter 516831712
Area 16694688658053184
Diagonal 182727604.14373

Cube

Length = n
Surface area 100168131948319104
Volume 2.1570861301122E+24
Space diagonal 223794696.0367

Equilateral Triangle

Length = n
Perimeter 387623784
Area 7.229012243073E+15
Altitude 111897348.01835

Triangular Pyramid

Length = n
Surface area 7.229012243073E+15
Volume 2.5421503836763E+23
Height 60909201.381242