129138768 (number)

129138768 is an even 9-digits composite number following 129138767 and preceding 129138769. In scientific notation, it is written as 1.29138768 × 10^8. The sum of its digits is 45. It has a total of 8 prime factors and 60 positive divisors. There are 39132480 positive integers (up to 129138768) that are relatively prime to 129138768.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred thirty-eight thousand seven hundred sixty-eight

Notation

Scientific notation 1.29138768 × 10^8
Engineering notation 1.29138768 × 10^6

Prime Factorization of 129138768

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 11 × 81527

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 5380782
Product of the distinct prime numbers

The prime factorization of 129138768 is 2 × 2 × 2 × 2 × 3 × 3 × 11 × 81527. Since it has a total of 8 prime factors.

Most popular turbo-numbers

9, 6, 26, 60, 782, 995, 7486, 6176, 50278, 10879, 338113, 496881, 261056, 2013018, 82782113, 26495458, 489720352, 645866416, 4823531110, 7157907282

Basic calculations (n = 129138768)

Multiplication

n×y
n×2 258277536
n×3 387416304
n×4 516555072
n×5 645693840

Division

n÷y
n÷2 64569384
n÷3 43046256
n÷3 32284692
n÷5 25827753.6

Exponentiation

ny
n2 16676821400557824
n3 2.1536241698241E+24
n4 2.781163720261E+32
n5 3.5915605644081E+40

Nth Root

y√n
2√n 11363.923970179
3√n 505.45854896428
4√n 106.60170716353
5√n 41.899739973115

Divisors of 129138768

1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 81527, 163054, 244581, 326108, 489162, 652216, 733743, 896797, 978324, 1304432, 1467486, 1793594, 1956648, 2690391, 2934972, 3587188, 3913296, 5380782, 5869944, 7174376, 8071173, 10761564, 11739888, 14348752, 16142346, 21523128, 32284692, 43046256, 64569384, 129138768

60 divisors

τ Total Divisors 60
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129138767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.016666666666667
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 60
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129138768 can be divided by 60 positive divisors. The sum of these divisors (counting 129138768) is 1, the average is 0.016666666666667.

Base conversion 129138768

Base System Value
2 Binary 111101100101000000001010000
3 Ternary 22222222221002100
4 Quaternary 13230220001100
5 Quinary 231024420033
6 Senary 20451520400
8 Octal 754500120
10 Decimal 129138768
12 Duodecimal 372b9100
16 Hexadecimal 7b28050
20 Vigesimal 20726i8
36 Base36 24vw40

Cryptographic Hash Functions

md5 1cfe3ecf56dd3a8f9bdf94eea10d0a54
sha1 267139a801abef74d39eb703fbb6e7b8e96963bb
sha256 0c00b11dcca436e54041226381088a5c3fe27a15360d5ac4846c5f296d5706b2
sha512 4cff2360f5cf7b916a84ea4e394a725318b5a61e02e25a64ed2bbcd2ddf67245f032d4af46e1fb95a331e836eff6a89a4ae53f092f8a3e4b62663a81246c6d90
ripemd-160 9b2f7d085348a9ab28970a47316343084dc69d81

129138768 as geometric shapes

Circle

Radius = n
Diameter 258277536
Circumference 811402809.68487
Area 5.2391779597222E+16

Sphere

Radius = n
Volume 9.0210798273503E+24
Surface area 2.0956711838889E+17
Circumference 811402809.68487

Square

Length = n
Perimeter 516555072
Area 16676821400557824
Diagonal 182629797.13375

Cube

Length = n
Surface area 100060928403346944
Volume 2.1536241698241E+24
Space diagonal 223674907.40285

Equilateral Triangle

Length = n
Perimeter 387416304
Area 7.2212754936295E+15
Altitude 111837453.70142

Triangular Pyramid

Length = n
Surface area 7.2212754936295E+15
Volume 2.5380704243498E+23
Height 60876599.044584