28778832 (number)

28778832 is an even 8-digits composite number following 28778831 and preceding 28778833. In scientific notation, it is written as 2.8778832 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 30 positive divisors. There are 9592896 positive integers (up to 28778832) that are relatively prime to 28778832.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-eight thousand eight hundred thirty-two

Notation

Scientific notation 2.8778832 × 10^7
Engineering notation 2.8778832 × 10^6

Prime Factorization of 28778832

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 199853

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1199118
Product of the distinct prime numbers

The prime factorization of 28778832 is 2 × 2 × 2 × 2 × 3 × 3 × 199853. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28778832)

Multiplication

n×y
n×2 57557664
n×3 86336496
n×4 115115328
n×5 143894160

Division

n÷y
n÷2 14389416
n÷3 9592944
n÷3 7194708
n÷5 5755766.4

Exponentiation

ny
n2 828221171284224
n3 2.3835237947232E+22
n4 6.8595030856341E+29
n5 1.9740848690495E+37

Nth Root

y√n
2√n 5364.5905715162
3√n 306.44865622644
4√n 73.243365375412
5√n 31.032347710375

Divisors of 28778832

30 divisors

τ Total Divisors 30
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28778831
Sum of the proper positive divisors of n
A Arithmetic Mean 0.033333333333333
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 30
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28778832 can be divided by 30 positive divisors. The sum of these divisors (counting 28778832) is 1, the average is 0.033333333333333.

Base conversion 28778832

Base System Value
2 Binary 1101101110010000101010000
3 Ternary 2000011010010200
4 Quaternary 1231302011100
5 Quinary 24331410312
6 Senary 2504455200
8 Octal 155620520
10 Decimal 28778832
12 Duodecimal 977a500
16 Hexadecimal 1b72150
20 Vigesimal 8jh71c
36 Base36 h4tw0

Cryptographic Hash Functions

md5 3a10895544ba583f5c119c5a9bf3de73
sha1 829d4ec2da1a16384a95af9ddef706b18f53c237
sha256 805457ca5cb1f0ea968ccbe5e876b7d9c336e7f33122ea82f362605c18f5b898
sha512 45db99e53622ff13d6f5355c1985530a441aa0893db30a86c2c7eded4ddde378872dc2d968f9c7e08abfacb65b491cdd6d5f229625b163bb12348ac3c83b9023
ripemd-160 f7f48bdd97fff61266a2ed55d0e131aff8af6e32

28778832 as geometric shapes

Circle

Radius = n
Diameter 57557664
Circumference 180822734.38019
Area 2.6019335472541E+15

Sphere

Radius = n
Volume 9.9840811242118E+22
Surface area 1.0407734189016E+16
Circumference 180822734.38019

Square

Length = n
Perimeter 115115328
Area 828221171284224
Diagonal 40699414.523657

Cube

Length = n
Surface area 4969327027705344
Volume 2.3835237947232E+22
Space diagonal 49846399.206489

Equilateral Triangle

Length = n
Perimeter 86336496
Area 3.5863028714212E+14
Altitude 24923199.603245

Triangular Pyramid

Length = n
Surface area 3.5863028714212E+14
Volume 2.8090097306138E+21
Height 13566471.507886