128528031 (number)

128528031 is an odd 9-digits composite number following 128528030 and preceding 128528032. In scientific notation, it is written as 1.28528031 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 85552832 positive integers (up to 128528031) that are relatively prime to 128528031.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty-eight thousand thirty-one

Notation

Scientific notation 1.28528031 × 10^8
Engineering notation 1.28528031 × 10^6

Prime Factorization of 128528031

Prime Factorization 3 × 653 × 65609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128528031
Product of the distinct prime numbers

The prime factorization of 128528031 is 3 × 653 × 65609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 54, 48, 240, 690, 5147, 3223, 44531, 32715, 900510, 48065, 2515350, 9124497, 82263079, 63382295, 956556395, 761186554, 5919488840, 3749390746

Basic calculations (n = 128528031)

Multiplication

n×y
n×2 257056062
n×3 385584093
n×4 514112124
n×5 642640155

Division

n÷y
n÷2 64264015.5
n÷3 42842677
n÷3 32132007.75
n÷5 25705606.2

Exponentiation

ny
n2 16519454752736961
n3 2.1232129925629E+24
n4 2.7289238532772E+32
n5 3.5074320961066E+40

Nth Root

y√n
2√n 11337.020375742
3√n 504.66046647109
4√n 106.47544494268
5√n 41.860033433587

Divisors of 128528031

1, 3, 653, 1959, 65609, 196827, 42842677, 128528031

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128528030
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128528031 can be divided by 8 positive divisors. The sum of these divisors (counting 128528031) is 1, the average is 0.125.

Base conversion 128528031

Base System Value
2 Binary 111101010010010111010011111
3 Ternary 22221211220022110
4 Quaternary 13222102322133
5 Quinary 230400344111
6 Senary 20430445103
8 Octal 752227237
10 Decimal 128528031
12 Duodecimal 37063793
16 Hexadecimal 7a92e9f
20 Vigesimal 203601b
36 Base36 24isv3

Cryptographic Hash Functions

md5 518a199111218da0bf60c367bacff3ad
sha1 549192587f84bf3acc7533a341739ea4ebc0cfd8
sha256 9bf8f55cda24fdd2bf6010e960d3529552712ecf33cd8cc3ab5872cb9e433bf2
sha512 83a0671b8b397615198aba7fd1ccbcfa4bbfa002d56fc157c55242813053259e087c4ee7f32f6cbd980402426a067d94ab4b6ae6bc088ba4e9566b6490d5c33d
ripemd-160 4a0d3ce012ae873501160997290e7b2c9114c5d3

128528031 as geometric shapes

Circle

Radius = n
Diameter 257056062
Circumference 807565435.93992
Area 5.1897397692507E+16

Sphere

Radius = n
Volume 8.8936937859226E+24
Surface area 2.0758959077003E+17
Circumference 807565435.93992

Square

Length = n
Perimeter 514112124
Area 16519454752736961
Diagonal 181766084.58531

Cube

Length = n
Surface area 99116728516421766
Volume 2.1232129925629E+24
Space diagonal 222617079.88879

Equilateral Triangle

Length = n
Perimeter 385584093
Area 7.1531337362689E+15
Altitude 111308539.94439

Triangular Pyramid

Length = n
Surface area 7.1531337362689E+15
Volume 2.502230508241E+23
Height 60588694.86177