28394021 (number)

28394021 is an odd 8-digits composite number following 28394020 and preceding 28394022. In scientific notation, it is written as 2.8394021 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 28363692 positive integers (up to 28394021) that are relatively prime to 28394021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8394021 × 10^7
Engineering notation 2.8394021 × 10^6

Prime Factorization of 28394021

Prime Factorization 967 × 29363

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28394021
Product of the distinct prime numbers

The prime factorization of 28394021 is 967 × 29363. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28394021)

Multiplication

n×y
n×2 56788042
n×3 85182063
n×4 113576084
n×5 141970105

Division

n÷y
n÷2 14197010.5
n÷3 9464673.6666667
n÷3 7098505.25
n÷5 5678804.2

Exponentiation

ny
n2 806220428548441
n3 2.2891839778833E+22
n4 6.4999137940883E+29
n5 1.8455868876753E+37

Nth Root

y√n
2√n 5328.6040385827
3√n 305.0766482987
4√n 72.997287885117
5√n 30.948911551869

Divisors of 28394021

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 -28394020
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 28394021 can be divided by 4 positive divisors. The sum of these divisors (counting 28394021) is 1, the average is 0.25.

Base conversion 28394021

Base System Value
2 Binary 1101100010100001000100101
3 Ternary 1222102120021102
4 Quaternary 1230110020211
5 Quinary 24232102041
6 Senary 2452325445
8 Octal 154241045
10 Decimal 28394021
12 Duodecimal 9613885
16 Hexadecimal 1b14225
20 Vigesimal 8h9511
36 Base36 gwkyt

Cryptographic Hash Functions

md5 bca2f1da70bfeca987977495ccbfdd88
sha1 dddac3947d5bee140ec24609b4606eb48aed6e0e
sha256 5bdb338d94c87f804d1d8e245cc948dea8b7fde3642f45be5285fe8ea2c8d09f
sha512 5e92d5aa6d950f925dd4ef0c659dc12c19cac2891f4af36463c0d635ade72954ab0f01684db0f16e4c54f17598336949cc715614efd1ca1d9ab7ba0d4737a4e6
ripemd-160 f5bb5b08a13617e64fa536addd1d9ac93d9cfd32

28394021 as geometric shapes

Circle

Radius = n
Diameter 56788042
Circumference 178404895.55895
Area 2.5328161755018E+15

Sphere

Radius = n
Volume 9.5889114235117E+22
Surface area 1.0131264702007E+16
Circumference 178404895.55895

Square

Length = n
Perimeter 113576084
Area 806220428548441
Diagonal 40155209.588506

Cube

Length = n
Surface area 4837322571290646
Volume 2.2891839778833E+22
Space diagonal 49179887.003178

Equilateral Triangle

Length = n
Perimeter 85182063
Area 3.4910368608646E+14
Altitude 24589943.501589

Triangular Pyramid

Length = n
Surface area 3.4910368608646E+14
Volume 2.6978291902415E+21
Height 13385069.862835