28423940 (number)

28423940 is an even 8-digits composite number following 28423939 and preceding 28423941. In scientific notation, it is written as 2.8423940 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 11298528 positive integers (up to 28423940) that are relatively prime to 28423940.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twenty-three thousand nine hundred forty

Notation

Scientific notation 2.8423940 × 10^7
Engineering notation 2.8423940 × 10^6

Prime Factorization of 28423940

Prime Factorization 2 × 2 × 5 × 8719 × 163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14211970
Product of the distinct prime numbers

The prime factorization of 28423940 is 2 × 2 × 5 × 8719 × 163. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 25, 81, 882, 108, 9048, 6490, 76955, 42768, 474557, 807103, 620676, 3328832, 1699184, 36759077, 388256773, 902042066, 3561276135, 8661728239

Basic calculations (n = 28423940)

Multiplication

n×y
n×2 56847880
n×3 85271820
n×4 113695760
n×5 142119700

Division

n÷y
n÷2 14211970
n÷3 9474646.6666667
n÷3 7105985
n÷5 5684788

Exponentiation

ny
n2 807920365123600
n3 2.2964279983051E+22
n4 6.5273531638145E+29
n5 1.8553309468707E+37

Nth Root

y√n
2√n 5331.4106951163
3√n 305.18376456071
4√n 73.016509743456
5√n 30.955431026195

Divisors of 28423940

1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 8719, 17438, 34876, 43595, 87190, 174380, 1421197, 2842394, 5684788, 7105985, 14211970, 28423940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28423939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28423940 can be divided by 24 positive divisors. The sum of these divisors (counting 28423940) is 1, the average is 0.041666666666667.

Base conversion 28423940

Base System Value
2 Binary 1101100011011011100000100
3 Ternary 1222111002022112
4 Quaternary 1230123130010
5 Quinary 24234031230
6 Senary 2453120152
8 Octal 154333404
10 Decimal 28423940
12 Duodecimal 9629058
16 Hexadecimal 1b1b704
20 Vigesimal 8hcjh0
36 Base36 gx81w

Cryptographic Hash Functions

md5 274b8668bd5d51d79524b57544810611
sha1 5b942b84e6471e54ec0d113394b3c3dfc1c3a2d6
sha256 885d1b5bc6e63dbac8afbaf74f94ecd9a888dea90d443145bb9b1ddd80c3ec14
sha512 079b44c08cc5742217860cb75cdbdc01e4d03b415f2f359d9eec73cd5787d42a68ca3e78d728144b33594ef70564242a6fed10cb2c980c7f9b6d28e1fa189e50
ripemd-160 84fe9081211614ea1fe31cc9bc781525d3ae7274

28423940 as geometric shapes

Circle

Radius = n
Diameter 56847880
Circumference 178592882.18015
Area 2.5381566837579E+15

Sphere

Radius = n
Volume 9.6192551052977E+22
Surface area 1.0152626735032E+16
Circumference 178592882.18015

Square

Length = n
Perimeter 113695760
Area 807920365123600
Diagonal 40197521.444079

Cube

Length = n
Surface area 4847522190741600
Volume 2.2964279983051E+22
Space diagonal 49231708.231289

Equilateral Triangle

Length = n
Perimeter 85271820
Area 3.4983978021592E+14
Altitude 24615854.115645

Triangular Pyramid

Length = n
Surface area 3.4983978021592E+14
Volume 2.7063663501803E+21
Height 13399173.814693