28438768 (number)

28438768 is an even 8-digits composite number following 28438767 and preceding 28438769. In scientific notation, it is written as 2.8438768 × 10^7. The sum of its digits is 46. It has a total of 5 prime factors and 10 positive divisors. There are 14219376 positive integers (up to 28438768) that are relatively prime to 28438768.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand seven hundred sixty-eight

Notation

Scientific notation 2.8438768 × 10^7
Engineering notation 2.8438768 × 10^6

Prime Factorization of 28438768

Prime Factorization 2 × 2 × 2 × 2 × 1777423

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3554846
Product of the distinct prime numbers

The prime factorization of 28438768 is 2 × 2 × 2 × 2 × 1777423. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28438768)

Multiplication

n×y
n×2 56877536
n×3 85316304
n×4 113755072
n×5 142193840

Division

n÷y
n÷2 14219384
n÷3 9479589.3333333
n÷3 7109692
n÷5 5687753.6

Exponentiation

ny
n2 808763525357824
n3 2.3000238264513E+22
n4 6.5409843994922E+29
n5 1.8601753782878E+37

Nth Root

y√n
2√n 5332.8011401139
3√n 305.23682403788
4√n 73.02603056523
5√n 30.958660074529

Divisors of 28438768

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438768 can be divided by 10 positive divisors. The sum of these divisors (counting 28438768) is 1, the average is 0.1.

Base conversion 28438768

Base System Value
2 Binary 1101100011111000011110000
3 Ternary 1222111211122201
4 Quaternary 1230133003300
5 Quinary 24240020033
6 Senary 2453312544
8 Octal 154370360
10 Decimal 28438768
12 Duodecimal 9635754
16 Hexadecimal 1b1f0f0
20 Vigesimal 8hegi8
36 Base36 gxjhs

Cryptographic Hash Functions

md5 4b167a07d531a1b12fe4efa99630d77c
sha1 d074f3309f950fc9611b2e53821e3bf21262058a
sha256 d8fd42f0907542e8c47344a8269fa8c0edf2e4788761f89215af1f245a189441
sha512 b5056ec079cb53edbe902d0945b51fd4afe4f316a117e9a00f4ed9eed3ed750c3848b7ef1f5b5fcbb7e2183b199d7836c9c320c6af710c2e4dfc1f32f9af8eee
ripemd-160 dd1907373e6a1b32c9eac85155ff3c806222a521

28438768 as geometric shapes

Circle

Radius = n
Diameter 56877536
Circumference 178686049.25189
Area 2.5408055497555E+15

Sphere

Radius = n
Volume 9.6343172750146E+22
Surface area 1.0163222199022E+16
Circumference 178686049.25189

Square

Length = n
Perimeter 113755072
Area 808763525357824
Diagonal 40218491.402782

Cube

Length = n
Surface area 4852581152146944
Volume 2.3000238264513E+22
Space diagonal 49257391.080664

Equilateral Triangle

Length = n
Perimeter 85316304
Area 3.5020487930707E+14
Altitude 24628695.540332

Triangular Pyramid

Length = n
Surface area 3.5020487930707E+14
Volume 2.7106040742906E+21
Height 13406163.800927