28423905 (number)

28423905 is an odd 8-digits composite number following 28423904 and preceding 28423906. In scientific notation, it is written as 2.8423905 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 14361408 positive integers (up to 28423905) that are relatively prime to 28423905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8423905 × 10^7
Engineering notation 2.8423905 × 10^6

Prime Factorization of 28423905

Prime Factorization 19 × 15 × 99733

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28423905
Product of the distinct prime numbers

The prime factorization of 28423905 is 19 × 15 × 99733. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28423905)

Multiplication

n×y
n×2 56847810
n×3 85271715
n×4 113695620
n×5 142119525

Division

n÷y
n÷2 14211952.5
n÷3 9474635
n÷3 7105976.25
n÷5 5684781

Exponentiation

ny
n2 807918375449025
n3 2.2964195151517E+22
n4 6.5273210138819E+29
n5 1.8553195240308E+37

Nth Root

y√n
2√n 5331.4074126819
3√n 305.18363929734
4√n 73.01648726611
5√n 30.955423402757

Divisors of 28423905

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 -28423904
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 28423905 can be divided by 8 positive divisors. The sum of these divisors (counting 28423905) is 1, the average is 0.125.

Base conversion 28423905

Base System Value
2 Binary 1101100011011011011100001
3 Ternary 1222111002021020
4 Quaternary 1230123123201
5 Quinary 24234031110
6 Senary 2453120053
8 Octal 154333341
10 Decimal 28423905
12 Duodecimal 9629029
16 Hexadecimal 1b1b6e1
20 Vigesimal 8hcjf5
36 Base36 gx80x

Cryptographic Hash Functions

md5 9534f5190934b36c183821be2f59fd46
sha1 73963653c819b96c3f12a27ac1f8d6c206d4e9d1
sha256 253e938fb4ca73796aa98a55457515e8da87f2df7083ddb40a2e149fcd9a5e38
sha512 a3fbae102d95097e776d547baa10200b71b78677ae1437573c8ff640500e36faa54d6021add5391383b80b542eac810b2da7be2bb37802b831f5790309526c83
ripemd-160 eb19659d49ff3cc0b8cf55391d36fd3b0cc490a4

28423905 as geometric shapes

Circle

Radius = n
Diameter 56847810
Circumference 178592662.26867
Area 2.5381504330109E+15

Sphere

Radius = n
Volume 9.6192195711479E+22
Surface area 1.0152601732043E+16
Circumference 178592662.26867

Square

Length = n
Perimeter 113695620
Area 807918375449025
Diagonal 40197471.946604

Cube

Length = n
Surface area 4847510252694150
Volume 2.2964195151517E+22
Space diagonal 49231647.609511

Equilateral Triangle

Length = n
Perimeter 85271715
Area 3.4983891866155E+14
Altitude 24615823.804756

Triangular Pyramid

Length = n
Surface area 3.4983891866155E+14
Volume 2.7063563526882E+21
Height 13399157.315535