28528081 (number)

28528081 is an odd 8-digits composite number following 28528080 and preceding 28528082. In scientific notation, it is written as 2.8528081 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 28473012 positive integers (up to 28528081) that are relatively prime to 28528081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8528081 × 10^7
Engineering notation 2.8528081 × 10^6

Prime Factorization of 28528081

Prime Factorization 523 × 54547

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28528081
Product of the distinct prime numbers

The prime factorization of 28528081 is 523 × 54547. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28528081)

Multiplication

n×y
n×2 57056162
n×3 85584243
n×4 114112324
n×5 142640405

Division

n÷y
n÷2 14264040.5
n÷3 9509360.3333333
n÷3 7132020.25
n÷5 5705616.2

Exponentiation

ny
n2 813851405542561
n3 2.3217618819282E+22
n4 6.623541103036E+29
n5 1.8895691709424E+37

Nth Root

y√n
2√n 5341.168505112
3√n 305.55602595091
4√n 73.083298400606
5√n 30.978081055709

Divisors of 28528081

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 -28528080
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 28528081 can be divided by 4 positive divisors. The sum of these divisors (counting 28528081) is 1, the average is 0.25.

Base conversion 28528081

Base System Value
2 Binary 1101100110100110111010001
3 Ternary 1222200101011121
4 Quaternary 1230310313101
5 Quinary 24300344311
6 Senary 2455242241
8 Octal 154646721
10 Decimal 28528081
12 Duodecimal 9679381
16 Hexadecimal 1b34dd1
20 Vigesimal 8i6041
36 Base36 gzgep

Cryptographic Hash Functions

md5 e618b2d3879169c958aca279b4db4d3c
sha1 be846564a57f2f68ce19611d2f3d121602611505
sha256 acff3a9329f0f06a545670152cfc2d2364a0e3e128ca59ff96baff3d31cfecb8
sha512 665fdeeb8f457fc9dd5acf5a5ec33bca6738ef0ae93edc905f05c09ab69157745968266eacbccfb63bc97db2f47a46a3d4f04607124d11e872f0dd2f04b29e74
ripemd-160 6a8a1d0b75d86650b6c3167970db95b9bb67ab7a

28528081 as geometric shapes

Circle

Radius = n
Diameter 57056162
Circumference 179247219.38123
Area 2.5567895967662E+15

Sphere

Radius = n
Volume 9.7253734288673E+22
Surface area 1.0227158387065E+16
Circumference 179247219.38123

Square

Length = n
Perimeter 114112324
Area 813851405542561
Diagonal 40344799.058678

Cube

Length = n
Surface area 4883108433255366
Volume 2.3217618819282E+22
Space diagonal 49412085.73444

Equilateral Triangle

Length = n
Perimeter 85584243
Area 3.5240799605276E+14
Altitude 24706042.86722

Triangular Pyramid

Length = n
Surface area 3.5240799605276E+14
Volume 2.7362226183531E+21
Height 13448266.352893