128528621 (number)

128528621 is an odd 9-digits composite number following 128528620 and preceding 128528622. In scientific notation, it is written as 1.28528621 × 10^8. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 118641792 positive integers (up to 128528621) that are relatively prime to 128528621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28528621 × 10^8
Engineering notation 1.28528621 × 10^6

Prime Factorization of 128528621

Prime Factorization 13 × 9886817

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128528621
Product of the distinct prime numbers

The prime factorization of 128528621 is 13 × 9886817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 1, 95, 2, 897, 508, 5969, 6491, 53712, 57937, 963564, 116157, 3992924, 5230681, 8275690, 84363795, 660343770, 985609689, 131299756, 9539692973

Basic calculations (n = 128528621)

Multiplication

n×y
n×2 257057242
n×3 385585863
n×4 514114484
n×5 642643105

Division

n÷y
n÷2 64264310.5
n÷3 42842873.666667
n÷3 32132155.25
n÷5 25705724.2

Exponentiation

ny
n2 16519606416161641
n3 2.123242232132E+24
n4 2.7289739614489E+32
n5 3.5075126000993E+40

Nth Root

y√n
2√n 11337.046396659
3√n 504.66123867416
4√n 106.47556713471
5√n 41.860071864697

Divisors of 128528621

1, 13, 9886817, 128528621

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128528620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128528621 can be divided by 4 positive divisors. The sum of these divisors (counting 128528621) is 1, the average is 0.25.

Base conversion 128528621

Base System Value
2 Binary 111101010010011000011101101
3 Ternary 22221211221010022
4 Quaternary 13222103003231
5 Quinary 230400403441
6 Senary 20430451525
8 Octal 752230355
10 Decimal 128528621
12 Duodecimal 37063ba5
16 Hexadecimal 7a930ed
20 Vigesimal 20361b1
36 Base36 24itbh

Cryptographic Hash Functions

md5 844889ecafd39cb724f26ef4256328a2
sha1 01d9894e5739df60e8392c01109d01283a117d19
sha256 27da2fe79934e62484b04c40825d0aa1958dc955d1cf5155aa29cb7cc460dd9e
sha512 172a189e778987c143018b0c4f20fb3b5030394d582cc83598b76db0cec0381ed29674f53acd1df23d61e66f104e45bb71debe5f6909d69e38a7864e6bd6b088
ripemd-160 5fe55308be7c727fe3e7201862ef82b4053f6a4d

128528621 as geometric shapes

Circle

Radius = n
Diameter 257057242
Circumference 807569143.01925
Area 5.1897874157208E+16

Sphere

Radius = n
Volume 8.8938162643433E+24
Surface area 2.0759149662883E+17
Circumference 807569143.01925

Square

Length = n
Perimeter 514114484
Area 16519606416161641
Diagonal 181766918.97131

Cube

Length = n
Surface area 99117638496969846
Volume 2.123242232132E+24
Space diagonal 222618101.79876

Equilateral Triangle

Length = n
Perimeter 385585863
Area 7.1531994084582E+15
Altitude 111309050.89938

Triangular Pyramid

Length = n
Surface area 7.1531994084582E+15
Volume 2.5022649674037E+23
Height 60588972.990437