129642688 (number)

129642688 is an even 9-digits composite number following 129642687 and preceding 129642689. In scientific notation, it is written as 1.29642688 × 10^8. The sum of its digits is 46. It has a total of 8 prime factors and 28 positive divisors. There are 55560960 positive integers (up to 129642688) that are relatively prime to 129642688.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred forty-two thousand six hundred eighty-eight

Notation

Scientific notation 1.29642688 × 10^8
Engineering notation 1.29642688 × 10^6

Prime Factorization of 129642688

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 289381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 4051334
Product of the distinct prime numbers

The prime factorization of 129642688 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 289381. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129642688)

Multiplication

n×y
n×2 259285376
n×3 388928064
n×4 518570752
n×5 648213440

Division

n÷y
n÷2 64821344
n÷3 43214229.333333
n÷3 32410672
n÷5 25928537.6

Exponentiation

ny
n2 16807226551865344
n3 2.1789340280088E+24
n4 2.8248286436573E+32
n5 3.6621837850312E+40

Nth Root

y√n
2√n 11386.074301532
3√n 506.11515551015
4√n 106.70554953484
5√n 41.932388941334

Divisors of 129642688

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129642687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129642688 can be divided by 28 positive divisors. The sum of these divisors (counting 129642688) is 1, the average is 0.035714285714286.

Base conversion 129642688

Base System Value
2 Binary 111101110100011000011000000
3 Ternary 100000221112100001
4 Quaternary 13232203003000
5 Quinary 231142031223
6 Senary 20510405344
8 Octal 756430300
10 Decimal 129642688
12 Duodecimal 37500854
16 Hexadecimal 7ba30c0
20 Vigesimal 20a56e8
36 Base36 256oxs

Cryptographic Hash Functions

md5 521e0c18c9a1a3aae350ac17861f88aa
sha1 92710f4ff2461b6509d72f07c4a7e41535fc3ab9
sha256 763a23274b65af2cf43f5fd32c86cee7ecdde5d12d0ad05fb3f420cdf996f5f7
sha512 07251fe722d5faf05b3bf96599fdc34725edc9f5f240419e5646f2d911876bf6446109059bcb008b786805965509713f3ede8ef6c39362063ce0a442343fe3fd
ripemd-160 f1e64008f08dd02783c9177faf2625e09090af6c

129642688 as geometric shapes

Circle

Radius = n
Diameter 259285376
Circumference 814569032.42487
Area 5.2801459462559E+16

Sphere

Radius = n
Volume 9.127097513399E+24
Surface area 2.1120583785024E+17
Circumference 814569032.42487

Square

Length = n
Perimeter 518570752
Area 16807226551865344
Diagonal 183342447.6321

Cube

Length = n
Surface area 100843359311192064
Volume 2.1789340280088E+24
Space diagonal 224547722.4458

Equilateral Triangle

Length = n
Perimeter 388928064
Area 7.2777425805379E+15
Altitude 112273861.2229

Triangular Pyramid

Length = n
Surface area 7.2777425805379E+15
Volume 2.5678983782719E+23
Height 61114149.210701