28778968 (number)

28778968 is an even 8-digits composite number following 28778967 and preceding 28778969. In scientific notation, it is written as 2.8778968 × 10^7. The sum of its digits is 55. It has a total of 5 prime factors and 16 positive divisors. There are 14352000 positive integers (up to 28778968) that are relatively prime to 28778968.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-eight thousand nine hundred sixty-eight

Notation

Scientific notation 2.8778968 × 10^7
Engineering notation 2.8778968 × 10^6

Prime Factorization of 28778968

Prime Factorization 2 × 2 × 2 × 401 × 8971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7194742
Product of the distinct prime numbers

The prime factorization of 28778968 is 2 × 2 × 2 × 401 × 8971. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 1, 75, 34, 889, 623, 2614, 4784, 14034, 34365, 513241, 904344, 5736051, 4933458, 9682901, 71037588, 923782026, 725232938, 5410252031, 5907854489

Basic calculations (n = 28778968)

Multiplication

n×y
n×2 57557936
n×3 86336904
n×4 115115872
n×5 143894840

Division

n÷y
n÷2 14389484
n÷3 9592989.3333333
n÷3 7194742
n÷5 5755793.6

Exponentiation

ny
n2 828228999145024
n3 2.3835575863067E+22
n4 6.8596327502477E+29
n5 1.9741315141113E+37

Nth Root

y√n
2√n 5364.6032472122
3√n 306.44913895337
4√n 73.243451906722
5√n 31.032377040205

Divisors of 28778968

1, 2, 4, 8, 401, 802, 1604, 3208, 8971, 17942, 35884, 71768, 3597371, 7194742, 14389484, 28778968

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 -28778967
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 28778968 can be divided by 16 positive divisors. The sum of these divisors (counting 28778968) is 1, the average is 0.0625.

Base conversion 28778968

Base System Value
2 Binary 1101101110010000111011000
3 Ternary 2000011010022201
4 Quaternary 1231302013120
5 Quinary 24331411333
6 Senary 2504455544
8 Octal 155620730
10 Decimal 28778968
12 Duodecimal 977a5b4
16 Hexadecimal 1b721d8
20 Vigesimal 8jh788
36 Base36 h4tzs

Cryptographic Hash Functions

md5 deede8eae85edf0262f163dc7b837ab9
sha1 26d676f315a82c3dfc7fe3eb5a1e30d2f8fa2603
sha256 700b6dbcb16e0807daf0fedbc20505523f8aecec9a22fccbc0954af16ea9d80c
sha512 cd316f3eb2a72907bb137fe65d607116009119323b1809c7fbc2a988ec0b5cd8e29cc1ce881e7b2b57c11ecbde7a6ba533f34ddb8f91c2e6dd7933d6ece1e8ee
ripemd-160 96fa0bc8bd5e3758f04277b2d892ca83e519f2bd

28778968 as geometric shapes

Circle

Radius = n
Diameter 57557936
Circumference 180823588.89339
Area 2.601958139204E+15

Sphere

Radius = n
Volume 9.9842226700657E+22
Surface area 1.0407832556816E+16
Circumference 180823588.89339

Square

Length = n
Perimeter 115115872
Area 828228999145024
Diagonal 40699606.856701

Cube

Length = n
Surface area 4969373994870144
Volume 2.3835575863067E+22
Space diagonal 49846634.765399

Equilateral Triangle

Length = n
Perimeter 86336904
Area 3.5863367670528E+14
Altitude 24923317.382699

Triangular Pyramid

Length = n
Surface area 3.5863367670528E+14
Volume 2.8090495543768E+21
Height 13566535.6189