28128835 (number)

28128835 is an odd 8-digits composite number following 28128834 and preceding 28128836. In scientific notation, it is written as 2.8128835 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 18272736 positive integers (up to 28128835) that are relatively prime to 28128835.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8128835 × 10^7
Engineering notation 2.8128835 × 10^6

Prime Factorization of 28128835

Prime Factorization 5 × 7 × 19 × 42299

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28128835
Product of the distinct prime numbers

The prime factorization of 28128835 is 5 × 7 × 19 × 42299. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 19, 86, 904, 845, 4038, 4647, 93269, 18266, 742716, 521570, 3100975, 9595442, 44393099, 95118634, 399183619, 141123445, 6913818003, 725766968

Basic calculations (n = 28128835)

Multiplication

n×y
n×2 56257670
n×3 84386505
n×4 112515340
n×5 140644175

Division

n÷y
n÷2 14064417.5
n÷3 9376278.3333333
n÷3 7032208.75
n÷5 5625767

Exponentiation

ny
n2 791231358457225
n3 2.2256416328869E+22
n4 6.2604706260607E+29
n5 1.7609974526281E+37

Nth Root

y√n
2√n 5303.662413842
3√n 304.12392151767
4√n 72.82624811043
5√n 30.89088488821

Divisors of 28128835

1, 5, 7, 19, 35, 95, 133, 665, 42299, 211495, 296093, 803681, 1480465, 4018405, 5625767, 28128835

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 -28128834
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 28128835 can be divided by 16 positive divisors. The sum of these divisors (counting 28128835) is 1, the average is 0.0625.

Base conversion 28128835

Base System Value
2 Binary 1101011010011011001000011
3 Ternary 1221221002111201
4 Quaternary 1223103121003
5 Quinary 24200110320
6 Senary 2442522031
8 Octal 153233103
10 Decimal 28128835
12 Duodecimal 9506317
16 Hexadecimal 1ad3643
20 Vigesimal 8fg21f
36 Base36 gqwcj

Cryptographic Hash Functions

md5 c1c71e9bf0dc4d39006131750133dbf9
sha1 aac1c314b23a188849baa64deb1e8cad459135a3
sha256 3ffc2050346238c13b181baac23d3d07165d43ad3c58d9bd4e3452fd0fbb995c
sha512 872b47520c9323994f60ca9e86fcc215618d5d1aa43df53d4ccefcaffe445fdbad97d16ec20579f7f5cc2897a12f1d39c8004eb4cfc7a083ca4e2b0386a83152
ripemd-160 bf90d38b02ff67c35bf3fe955684160fcb2dd80d

28128835 as geometric shapes

Circle

Radius = n
Diameter 56257670
Circumference 176738682.78008
Area 2.4857266230191E+15

Sphere

Radius = n
Volume 9.3227458712015E+22
Surface area 9.9429064920764E+15
Circumference 176738682.78008

Square

Length = n
Perimeter 112515340
Area 791231358457225
Diagonal 39780179.950755

Cube

Length = n
Surface area 4747388150743350
Volume 2.2256416328869E+22
Space diagonal 48720571.377722

Equilateral Triangle

Length = n
Perimeter 84386505
Area 3.4261322834741E+14
Altitude 24360285.688861

Triangular Pyramid

Length = n
Surface area 3.4261322834741E+14
Volume 2.6229438185091E+21
Height 13260059.983585