28578081 (number)

28578081 is an odd 8-digits composite number following 28578080 and preceding 28578082. In scientific notation, it is written as 2.8578081 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 16330320 positive integers (up to 28578081) that are relatively prime to 28578081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8578081 × 10^7
Engineering notation 2.8578081 × 10^6

Prime Factorization of 28578081

Prime Factorization 3 × 7 × 1360861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28578081
Product of the distinct prime numbers

The prime factorization of 28578081 is 3 × 7 × 1360861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28578081)

Multiplication

n×y
n×2 57156162
n×3 85734243
n×4 114312324
n×5 142890405

Division

n÷y
n÷2 14289040.5
n÷3 9526027
n÷3 7144520.25
n÷5 5715616.2

Exponentiation

ny
n2 816706713642561
n3 2.3339910615721E+22
n4 6.6700985610883E+29
n5 1.9061861695677E+37

Nth Root

y√n
2√n 5345.8470797433
3√n 305.73443360927
4√n 73.11529990189
5√n 30.988932253959

Divisors of 28578081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28578080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28578081 can be divided by 8 positive divisors. The sum of these divisors (counting 28578081) is 1, the average is 0.125.

Base conversion 28578081

Base System Value
2 Binary 1101101000001000100100001
3 Ternary 1222202220202110
4 Quaternary 1231001010201
5 Quinary 24303444311
6 Senary 2500305533
8 Octal 155010441
10 Decimal 28578081
12 Duodecimal 96a22a9
16 Hexadecimal 1b41121
20 Vigesimal 8ic541
36 Base36 h0izl

Cryptographic Hash Functions

md5 6fcb9df144fcef2c275d7eac83aad7c7
sha1 cc5cac41c68a2bfb7849bb7f2728def157f87b48
sha256 3a8461ca9d0357ce0818cbc39d059e41c7681027a4cc1f1b27ef3d4e325e4b57
sha512 4f9d2e29a21a5590594cf46ceac25d44fa4efc2fc015a17cdedb6d25311d6bcd49a61fd64bed03e5bf328c56da26af33e2f362bfb1a1786bbba90c2e76e0fe8b
ripemd-160 f7508d2f89382889f60d8f577e1ed5f5502e00df

28578081 as geometric shapes

Circle

Radius = n
Diameter 57156162
Circumference 179561378.64659
Area 2.5657598117169E+15

Sphere

Radius = n
Volume 9.7765988967722E+22
Surface area 1.0263039246868E+16
Circumference 179561378.64659

Square

Length = n
Perimeter 114312324
Area 816706713642561
Diagonal 40415509.736797

Cube

Length = n
Surface area 4900240281855366
Volume 2.3339910615721E+22
Space diagonal 49498688.274819

Equilateral Triangle

Length = n
Perimeter 85734243
Area 3.5364438072788E+14
Altitude 24749344.137409

Triangular Pyramid

Length = n
Surface area 3.5364438072788E+14
Volume 2.7506348447774E+21
Height 13471836.578932