128429388 (number)

128429388 is an even 9-digits composite number following 128429387 and preceding 128429389. In scientific notation, it is written as 1.28429388 × 10^8. The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors. There are 41850432 positive integers (up to 128429388) that are relatively prime to 128429388.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred twenty-nine thousand three hundred eighty-eight

Notation

Scientific notation 1.28429388 × 10^8
Engineering notation 1.28429388 × 10^6

Prime Factorization of 128429388

Prime Factorization 2 × 2 × 53 × 27 × 27 × 3 × 277

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2378322
Product of the distinct prime numbers

The prime factorization of 128429388 is 2 × 2 × 53 × 27 × 27 × 3 × 277. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128429388)

Multiplication

n×y
n×2 256858776
n×3 385288164
n×4 513717552
n×5 642146940

Division

n÷y
n÷2 64214694
n÷3 42809796
n÷3 32107347
n÷5 25685877.6

Exponentiation

ny
n2 16494107702054544
n3 2.118328157781E+24
n4 2.7205558888698E+32
n5 3.4939932782734E+40

Nth Root

y√n
2√n 11332.669058964
3√n 504.5313274217
4√n 106.45500955316
5√n 41.853606092462

Divisors of 128429388

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128429387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128429388 can be divided by 72 positive divisors. The sum of these divisors (counting 128429388) is 1, the average is 0.013888888888889.

Base conversion 128429388

Base System Value
2 Binary 111101001111010110101001100
3 Ternary 22221122220000000
4 Quaternary 13221322311030
5 Quinary 230334220023
6 Senary 20424404300
8 Octal 751726514
10 Decimal 128429388
12 Duodecimal 37016690
16 Hexadecimal 7a7ad4c
20 Vigesimal 202dd98
36 Base36 24gor0

Cryptographic Hash Functions

md5 81a70cc304bf5758f7627fa6bc983963
sha1 472eb5d8a18e1bf1c83bbba71b25253e0fc126a1
sha256 fb55d6a05ce73ee86a54236e92415481e515298c8706612d5fbeab0c1226502c
sha512 ed2cf7cb8c6f78a67dc5c582c2b9ea64ea4e6b21158a8baa941080a4fecb7f5af4504c9e509cbe7f2530afc9e9557a706680e695d85442f062b4580b542429c2
ripemd-160 fa8f2e7f19e4d6bd212eeaa57c33390b1a0b5413

128429388 as geometric shapes

Circle

Radius = n
Diameter 256858776
Circumference 806945643.69167
Area 5.1817767584293E+16

Sphere

Radius = n
Volume 8.873232237836E+24
Surface area 2.0727107033717E+17
Circumference 806945643.69167

Square

Length = n
Perimeter 513717552
Area 16494107702054544
Diagonal 181626582.31688

Cube

Length = n
Surface area 98964646212327264
Volume 2.118328157781E+24
Space diagonal 222446225.20098

Equilateral Triangle

Length = n
Perimeter 385288164
Area 7.1421581413679E+15
Altitude 111223112.60049

Triangular Pyramid

Length = n
Surface area 7.1421581413679E+15
Volume 2.4964736752422E+23
Height 60542194.105625