28228081 (number)

28228081 is an odd 8-digits composite number following 28228080 and preceding 28228082. In scientific notation, it is written as 2.8228081 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 23461200 positive integers (up to 28228081) that are relatively prime to 28228081.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred twenty-eight thousand eighty-one

Notation

Scientific notation 2.8228081 × 10^7
Engineering notation 2.8228081 × 10^6

Prime Factorization of 28228081

Prime Factorization 7 × 43 × 191 × 491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28228081
Product of the distinct prime numbers

The prime factorization of 28228081 is 7 × 43 × 191 × 491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 33, 35, 865, 802, 6221, 1675, 96653, 63305, 973439, 854474, 9295415, 8897549, 31927766, 65594413, 216326029, 553582372, 4565474670, 3196839073

Basic calculations (n = 28228081)

Multiplication

n×y
n×2 56456162
n×3 84684243
n×4 112912324
n×5 141140405

Division

n÷y
n÷2 14114040.5
n÷3 9409360.3333333
n÷3 7057020.25
n÷5 5645616.2

Exponentiation

ny
n2 796824556942561
n3 2.2492828136164E+22
n4 6.3492937454671E+29
n5 1.7922837813984E+37

Nth Root

y√n
2√n 5313.010540174
3√n 304.48117833445
4√n 72.890400878127
5√n 30.912652438274

Divisors of 28228081

1, 7, 43, 191, 301, 491, 1337, 3437, 8213, 21113, 57491, 93781, 147791, 656467, 4032583, 28228081

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 -28228080
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 28228081 can be divided by 16 positive divisors. The sum of these divisors (counting 28228081) is 1, the average is 0.0625.

Base conversion 28228081

Base System Value
2 Binary 1101011101011100111110001
3 Ternary 1222010010122111
4 Quaternary 1223223213301
5 Quinary 24211244311
6 Senary 2445005321
8 Octal 153534761
10 Decimal 28228081
12 Duodecimal 9553841
16 Hexadecimal 1aeb9f1
20 Vigesimal 8g8a41
36 Base36 gt0xd

Cryptographic Hash Functions

md5 f778f33105d41d7087f27ce08bb6dfd3
sha1 3bbe19db319be28f4216680f2137f6a99b8cfdbc
sha256 118abaa293ccf99bbe6b958dd78d98936fe228ac612bc832e2795f2a9f61c25d
sha512 e5d72bd077077e277e7aec6c76a366cdb32af17c4a7c91ef8326c581e72f95d22733fba80d63892df08ac41702a6c62f974aae2d11dd2e78fccb55817bc3a852
ripemd-160 b8d56c05e66453e2ffd6067ad1c217b8c8083ec5

28228081 as geometric shapes

Circle

Radius = n
Diameter 56456162
Circumference 177362263.78908
Area 2.5032981742907E+15

Sphere

Radius = n
Volume 9.4217738174706E+22
Surface area 1.0013192697163E+16
Circumference 177362263.78908

Square

Length = n
Perimeter 112912324
Area 796824556942561
Diagonal 39920534.989966

Cube

Length = n
Surface area 4780947341655366
Volume 2.2492828136164E+22
Space diagonal 48892470.49217

Equilateral Triangle

Length = n
Perimeter 84684243
Area 3.4503515433577E+14
Altitude 24446235.246085

Triangular Pyramid

Length = n
Surface area 3.4503515433577E+14
Volume 2.6508052171908E+21
Height 13306844.996655