129128836 (number)

129128836 is an even 9-digits composite number following 129128835 and preceding 129128837. In scientific notation, it is written as 1.29128836 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 63654920 positive integers (up to 129128836) that are relatively prime to 129128836.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-eight thousand eight hundred thirty-six

Notation

Scientific notation 1.29128836 × 10^8
Engineering notation 1.29128836 × 10^6

Prime Factorization of 129128836

Prime Factorization 2 × 2 × 71 × 454679

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64564418
Product of the distinct prime numbers

The prime factorization of 129128836 is 2 × 2 × 71 × 454679. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 31, 60, 493, 589, 9666, 6467, 82018, 95974, 746870, 780252, 1905463, 7112107, 86645768, 60348778, 982501359, 134926793, 1735004960, 9571837811

Basic calculations (n = 129128836)

Multiplication

n×y
n×2 258257672
n×3 387386508
n×4 516515344
n×5 645644180

Division

n÷y
n÷2 64564418
n÷3 43042945.333333
n÷3 32282209
n÷5 25825767.2

Exponentiation

ny
n2 16674256286714896
n3 2.1531273054692E+24
n4 2.7803082271505E+32
n5 3.5901796509317E+40

Nth Root

y√n
2√n 11363.486964836
3√n 505.44559044146
4√n 106.59965743301
5√n 41.899095455552

Divisors of 129128836

1, 2, 4, 71, 142, 284, 454679, 909358, 1818716, 32282209, 64564418, 129128836

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129128835
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129128836 can be divided by 12 positive divisors. The sum of these divisors (counting 129128836) is 1, the average is 0.083333333333333.

Base conversion 129128836

Base System Value
2 Binary 111101100100101100110000100
3 Ternary 22222222102110111
4 Quaternary 13230211212010
5 Quinary 231024110321
6 Senary 20451402404
8 Octal 754454604
10 Decimal 129128836
12 Duodecimal 372b3404
16 Hexadecimal 7b25984
20 Vigesimal 207121g
36 Base36 24vog4

Cryptographic Hash Functions

md5 aa0a8a95e2f41e51f0455a191e11cbdb
sha1 2e0ca77fdb34748cd74ea7bcdf7992bbb1944ca2
sha256 5d3354c50213be806ccd122d710b11e0788c25fb2d5f3e9b19926651bade6d0a
sha512 e5f18034a0f45678e28cb488b2978e7629b67767d2c1ee2b837996086128dd483bf805f7b7ef81dfec082fd403155d4652b122b18c9abdc149f27d86bebeab1a
ripemd-160 403c76090054d58548d7f849a30cf95fa35178b1

129128836 as geometric shapes

Circle

Radius = n
Diameter 258257672
Circumference 811340405.0884
Area 5.2383721054417E+16

Sphere

Radius = n
Volume 9.0189985668074E+24
Surface area 2.0953488421767E+17
Circumference 811340405.0884

Square

Length = n
Perimeter 516515344
Area 16674256286714896
Diagonal 182615751.16465

Cube

Length = n
Surface area 100045537720289376
Volume 2.1531273054692E+24
Space diagonal 223657704.67423

Equilateral Triangle

Length = n
Perimeter 387386508
Area 7.2201647667537E+15
Altitude 111828852.33711

Triangular Pyramid

Length = n
Surface area 7.2201647667537E+15
Volume 2.537484864092E+23
Height 60871917.054884