28804538 (number)

28804538 is an even 8-digits composite number following 28804537 and preceding 28804539. In scientific notation, it is written as 2.8804538 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 12216960 positive integers (up to 28804538) that are relatively prime to 28804538.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8804538 × 10^7
Engineering notation 2.8804538 × 10^6

Prime Factorization of 28804538

Prime Factorization 2 × 7 × 97 × 21211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28804538
Product of the distinct prime numbers

The prime factorization of 28804538 is 2 × 7 × 97 × 21211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28804538)

Multiplication

n×y
n×2 57609076
n×3 86413614
n×4 115218152
n×5 144022690

Division

n÷y
n÷2 14402269
n÷3 9601512.6666667
n÷3 7201134.5
n÷5 5760907.6

Exponentiation

ny
n2 829701409393444
n3 2.3899165775527E+22
n4 6.8840442874947E+29
n5 1.9829171527282E+37

Nth Root

y√n
2√n 5366.9859325323
3√n 306.53987170543
4√n 73.259715618697
5√n 31.037889510446

Divisors of 28804538

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 -28804537
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 28804538 can be divided by 16 positive divisors. The sum of these divisors (counting 28804538) is 1, the average is 0.0625.

Base conversion 28804538

Base System Value
2 Binary 1101101111000010110111010
3 Ternary 2000012102101202
4 Quaternary 1231320112322
5 Quinary 24333221123
6 Senary 2505214202
8 Octal 155702672
10 Decimal 28804538
12 Duodecimal 9791362
16 Hexadecimal 1b785ba
20 Vigesimal 900b6i
36 Base36 h5dq2

Cryptographic Hash Functions

md5 df92939982bcc7a2c83c657a0740d0f0
sha1 305a75eed90a712c42cec138097f6d315c4dd8b0
sha256 93a89cf5f801a9a5e153dbf22546cde3b756e4ece03867044e1a038d1e1dc5df
sha512 1dfd465f6614860622ba30f5857b626c574bb56a517c38407a7e30ceb0c4e9acb76e11443f92db9f4b42c5fb53e2f6ad28345f9265acb828ae1d8a1dfee1e1dd
ripemd-160 397dee1c7fbb24d4c4afe2b37371e2b610f24947

28804538 as geometric shapes

Circle

Radius = n
Diameter 57609076
Circumference 180984249.9417
Area 2.6065838524235E+15

Sphere

Radius = n
Volume 1.0010859150309E+23
Surface area 1.0426335409694E+16
Circumference 180984249.9417

Square

Length = n
Perimeter 115218152
Area 829701409393444
Diagonal 40735768.297491

Cube

Length = n
Surface area 4978208456360664
Volume 2.3899165775527E+22
Space diagonal 49890923.304548

Equilateral Triangle

Length = n
Perimeter 86413614
Area 3.5927124904524E+14
Altitude 24945461.652274

Triangular Pyramid

Length = n
Surface area 3.5927124904524E+14
Volume 2.8165436974294E+21
Height 13578589.432497