128399427 (number)

128399427 is an odd 9-digits composite number following 128399426 and preceding 128399428. In scientific notation, it is written as 1.28399427 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 76464000 positive integers (up to 128399427) that are relatively prime to 128399427.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million three hundred ninety-nine thousand four hundred twenty-seven

Notation

Scientific notation 1.28399427 × 10^8
Engineering notation 1.28399427 × 10^6

Prime Factorization of 128399427

Prime Factorization 3 × 31 × 39 × 35401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128399427
Product of the distinct prime numbers

The prime factorization of 128399427 is 3 × 31 × 39 × 35401. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 89, 87, 686, 285, 9120, 1399, 80835, 58799, 488579, 579942, 2340022, 7920803, 31958404, 2804027, 844757389, 892989316, 638772037, 5722779391

Basic calculations (n = 128399427)

Multiplication

n×y
n×2 256798854
n×3 385198281
n×4 513597708
n×5 641997135

Division

n÷y
n÷2 64199713.5
n÷3 42799809
n÷3 32099856.75
n÷5 25679885.4

Exponentiation

ny
n2 16486412853928329
n3 2.1168459637298E+24
n4 2.7180180879017E+32
n5 3.4899196506222E+40

Nth Root

y√n
2√n 11331.347095558
3√n 504.49209071488
4√n 106.44880034814
5√n 41.851653123686

Divisors of 128399427

1, 3, 31, 39, 93, 117, 1209, 3627, 35401, 106203, 1097431, 1380639, 3292293, 4141917, 42799809, 128399427

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128399426
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128399427 can be divided by 16 positive divisors. The sum of these divisors (counting 128399427) is 1, the average is 0.0625.

Base conversion 128399427

Base System Value
2 Binary 111101001110011100001000011
3 Ternary 22221121100220100
4 Quaternary 13221303201003
5 Quinary 230332240202
6 Senary 20424013443
8 Octal 751634103
10 Decimal 128399427
12 Duodecimal 37001283
16 Hexadecimal 7a73843
20 Vigesimal 2029ib7
36 Base36 24g1mr

Cryptographic Hash Functions

md5 a2e42999b617d8bb06b9f7bf6d820822
sha1 d49e18be188731776b54dc191c9fa613656ba8ce
sha256 91828b1b9ef5745d98fef7e91c290f5f955148568472a07d51d68f58e752e47c
sha512 7d5914d9f8956d7725f1d751743df861b96c3986c285b241e4663f543f413a1e55b13b884035503aeff881bec68aeb7affb74710eb60ec972b3b29b61ff3821f
ripemd-160 dc96d40c68c0cd22fae8b5909d118cb2655b1d20

128399427 as geometric shapes

Circle

Radius = n
Diameter 256798854
Circumference 806757393.17668
Area 5.179359350595E+16

Sphere

Radius = n
Volume 8.8670236379131E+24
Surface area 2.071743740238E+17
Circumference 806757393.17668

Square

Length = n
Perimeter 513597708
Area 16486412853928329
Diagonal 181584211.06433

Cube

Length = n
Surface area 98918477123569974
Volume 2.1168459637298E+24
Space diagonal 222394331.22673

Equilateral Triangle

Length = n
Perimeter 385198281
Area 7.1388261743901E+15
Altitude 111197165.61337

Triangular Pyramid

Length = n
Surface area 7.1388261743901E+15
Volume 2.4947268928012E+23
Height 60528070.354778