28421918 (number)

28421918 is an even 8-digits composite number following 28421917 and preceding 28421919. In scientific notation, it is written as 2.8421918 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 12180816 positive integers (up to 28421918) that are relatively prime to 28421918.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred twenty-one thousand nine hundred eighteen

Notation

Scientific notation 2.8421918 × 10^7
Engineering notation 2.8421918 × 10^6

Prime Factorization of 28421918

Prime Factorization 2 × 7 × 2030137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28421918
Product of the distinct prime numbers

The prime factorization of 28421918 is 2 × 7 × 2030137. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28421918)

Multiplication

n×y
n×2 56843836
n×3 85265754
n×4 113687672
n×5 142109590

Division

n÷y
n÷2 14210959
n÷3 9473972.6666667
n÷3 7105479.5
n÷5 5684383.6

Exponentiation

ny
n2 807805422798724
n3 2.2959379486741E+22
n4 6.5254960110303E+29
n5 1.8546711253483E+37

Nth Root

y√n
2√n 5331.2210608828
3√n 305.17652774784
4√n 73.015211160982
5√n 30.954990597016

Divisors of 28421918

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28421917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28421918 can be divided by 8 positive divisors. The sum of these divisors (counting 28421918) is 1, the average is 0.125.

Base conversion 28421918

Base System Value
2 Binary 1101100011010111100011110
3 Ternary 1222110222112122
4 Quaternary 1230122330132
5 Quinary 24234000133
6 Senary 2453102542
8 Octal 154327436
10 Decimal 28421918
12 Duodecimal 9627a52
16 Hexadecimal 1b1af1e
20 Vigesimal 8hcefi
36 Base36 gx6hq

Cryptographic Hash Functions

md5 14e4a740db95116b62034386ad32a589
sha1 8e2eb087ef26ed509d2b7bbfaabff78831f464ae
sha256 c3c94750c217078a2817c7f993ebd955e8e202450078dce4dd9e7d58d2d96116
sha512 2ea31dbe522546871409095f2131e909046594f00c29fa81494f844fbf6fecbf2f4ce3c461d3f40d03e10b6e16108ff36b057aec65060841f47b8a2a2eba9b41
ripemd-160 e150209455b55f5abea02b0e2d1fdb826e57b9f0

28421918 as geometric shapes

Circle

Radius = n
Diameter 56843836
Circumference 178580177.57946
Area 2.5377955817945E+15

Sphere

Radius = n
Volume 9.6172023902033E+22
Surface area 1.0151182327178E+16
Circumference 178580177.57946

Square

Length = n
Perimeter 113687672
Area 807805422798724
Diagonal 40194661.904256

Cube

Length = n
Surface area 4846832536792344
Volume 2.2959379486741E+22
Space diagonal 49228206.024556

Equilateral Triangle

Length = n
Perimeter 85265754
Area 3.4979000872926E+14
Altitude 24614103.012278

Triangular Pyramid

Length = n
Surface area 3.4979000872926E+14
Volume 2.7057888211516E+21
Height 13398220.634752