128399428 (number)

128399428 is an even 9-digits composite number following 128399427 and preceding 128399429. In scientific notation, it is written as 1.28399428 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 6 positive divisors. There are 64199712 positive integers (up to 128399428) that are relatively prime to 128399428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28399428 × 10^8
Engineering notation 1.28399428 × 10^6

Prime Factorization of 128399428

Prime Factorization 2 × 2 × 32099857

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64199714
Product of the distinct prime numbers

The prime factorization of 128399428 is 2 × 2 × 32099857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 26, 26, 576, 140, 5851, 5416, 84396, 74965, 909448, 887398, 9780890, 1675855, 4024289, 13164801, 622577735, 881759261, 4795708517, 5633199020

Basic calculations (n = 128399428)

Multiplication

n×y
n×2 256798856
n×3 385198284
n×4 513597712
n×5 641997140

Division

n÷y
n÷2 64199714
n÷3 42799809.333333
n÷3 32099857
n÷5 25679885.6

Exponentiation

ny
n2 16486413110727184
n3 2.1168460131891E+24
n4 2.7180181725756E+32
n5 3.4899197865231E+40

Nth Root

y√n
2√n 11331.347139683
3√n 504.49209202457
4√n 106.4488005554
5√n 41.851653188875

Divisors of 128399428

1, 2, 4, 32099857, 64199714, 128399428

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128399427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128399428 can be divided by 6 positive divisors. The sum of these divisors (counting 128399428) is 1, the average is 0.16666666666667.

Base conversion 128399428

Base System Value
2 Binary 111101001110011100001000100
3 Ternary 22221121100220101
4 Quaternary 13221303201010
5 Quinary 230332240203
6 Senary 20424013444
8 Octal 751634104
10 Decimal 128399428
12 Duodecimal 37001284
16 Hexadecimal 7a73844
20 Vigesimal 2029ib8
36 Base36 24g1ms

Cryptographic Hash Functions

md5 4388f0e8f439c384a39b687c08ac454a
sha1 8859c5a42d7c996d84d79822f76dbf356e4b782f
sha256 9466c8435b219ea652aceac1933da5cc43619520db3df5647f8ef54e22128ad5
sha512 30ada3ef1fcdc5501ece0977e4e5b579054519e79fb90108be26f351240ea76490ca8d15495b5a4033d190f1e7efe25cb98f27822bdd8d9a84ae2e44b4131b96
ripemd-160 502b7da78cb819b255003a3e5b1a7caa0ed10a13

128399428 as geometric shapes

Circle

Radius = n
Diameter 256798856
Circumference 806757399.45986
Area 5.1793594312707E+16

Sphere

Radius = n
Volume 8.8670238450875E+24
Surface area 2.0717437725083E+17
Circumference 806757399.45986

Square

Length = n
Perimeter 513597712
Area 16486413110727184
Diagonal 181584212.47855

Cube

Length = n
Surface area 98918478664363104
Volume 2.1168460131891E+24
Space diagonal 222394332.95878

Equilateral Triangle

Length = n
Perimeter 385198284
Area 7.1388262855873E+15
Altitude 111197166.47939

Triangular Pyramid

Length = n
Surface area 7.1388262855873E+15
Volume 2.4947269510895E+23
Height 60528070.826183