28231668 (number)

28231668 is an even 8-digits composite number following 28231667 and preceding 28231669. In scientific notation, it is written as 2.8231668 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors. There are 9410544 positive integers (up to 28231668) that are relatively prime to 28231668.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-one thousand six hundred sixty-eight

Notation

Scientific notation 2.8231668 × 10^7
Engineering notation 2.8231668 × 10^6

Prime Factorization of 28231668

Prime Factorization 2 × 2 × 3 × 3 × 784213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4705278
Product of the distinct prime numbers

The prime factorization of 28231668 is 2 × 2 × 3 × 3 × 784213. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28231668)

Multiplication

n×y
n×2 56463336
n×3 84695004
n×4 112926672
n×5 141158340

Division

n÷y
n÷2 14115834
n÷3 9410556
n÷3 7057917
n÷5 5646333.6

Exponentiation

ny
n2 797027078062224
n3 2.2501403854863E+22
n4 6.3525216316441E+29
n5 1.7934228166739E+37

Nth Root

y√n
2√n 5313.34809701
3√n 304.49407480361
4√n 72.892716350881
5√n 30.913438025142

Divisors of 28231668

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28231667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28231668 can be divided by 18 positive divisors. The sum of these divisors (counting 28231668) is 1, the average is 0.055555555555556.

Base conversion 28231668

Base System Value
2 Binary 1101011101100011111110100
3 Ternary 1222010022120100
4 Quaternary 1223230133310
5 Quinary 24211403133
6 Senary 2445034100
8 Octal 153543764
10 Decimal 28231668
12 Duodecimal 9555930
16 Hexadecimal 1aec7f4
20 Vigesimal 8g8j38
36 Base36 gt3p0

Cryptographic Hash Functions

md5 27de3b0080f9cfa92679da963233b996
sha1 9efb8c6265cfad33c02605ecb12558a069b4e80d
sha256 32ff20ccd03b5944307f05c350b34eaab3f2df59bdbd77993649d901c948bba1
sha512 091d2691be7c4920b7650a8e6bd52ad500245fa20b2178a4f893dfbf8ec92412e37a0b92ed33acb479ba31483698155ecb96dde989e49af5ef2c9b089a6475e0
ripemd-160 cfabc1642076291dc983e53265517bfcf232e30a

28231668 as geometric shapes

Circle

Radius = n
Diameter 56463336
Circumference 177384801.57477
Area 2.5039344131524E+15

Sphere

Radius = n
Volume 9.4253660061192E+22
Surface area 1.001573765261E+16
Circumference 177384801.57477

Square

Length = n
Perimeter 112926672
Area 797027078062224
Diagonal 39925607.774015

Cube

Length = n
Surface area 4782162468373344
Volume 2.2501403854863E+22
Space diagonal 48898683.358416

Equilateral Triangle

Length = n
Perimeter 84695004
Area 3.4512284855298E+14
Altitude 24449341.679208

Triangular Pyramid

Length = n
Surface area 3.4512284855298E+14
Volume 2.6518158753318E+21
Height 13308535.924672