28421818 (number)

28421818 is an even 8-digits composite number following 28421817 and preceding 28421819. In scientific notation, it is written as 2.8421818 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 14198016 positive integers (up to 28421818) that are relatively prime to 28421818.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8421818 × 10^7
Engineering notation 2.8421818 × 10^6

Prime Factorization of 28421818

Prime Factorization 2 × 1217 × 11677

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28421818
Product of the distinct prime numbers

The prime factorization of 28421818 is 2 × 1217 × 11677. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28421818)

Multiplication

n×y
n×2 56843636
n×3 85265454
n×4 113687272
n×5 142109090

Division

n÷y
n÷2 14210909
n÷3 9473939.3333333
n÷3 7105454.5
n÷5 5684363.6

Exponentiation

ny
n2 807799738425124
n3 2.2959137145966E+22
n4 6.525404173997E+29
n5 1.8546384980978E+37

Nth Root

y√n
2√n 5331.2116821601
3√n 305.17616983523
4√n 73.015146936509
5√n 30.954968814508

Divisors of 28421818

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 -28421817
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 28421818 can be divided by 8 positive divisors. The sum of these divisors (counting 28421818) is 1, the average is 0.125.

Base conversion 28421818

Base System Value
2 Binary 1101100011010111010111010
3 Ternary 1222110222101221
4 Quaternary 1230122322322
5 Quinary 24233444233
6 Senary 2453102254
8 Octal 154327272
10 Decimal 28421818
12 Duodecimal 962798a
16 Hexadecimal 1b1aeba
20 Vigesimal 8hceai
36 Base36 gx6ey

Cryptographic Hash Functions

md5 2f61777e15600eb424be27f9bf19920b
sha1 db46651cbcab9314f1d3c6e007398665623746e0
sha256 718af442f50940e2a845b8532fdef72033ea64ba1c1bbce48e7b0d60e3bb3e74
sha512 333426d98e2f031a42682a2b2410ee4ff8d76634aa93b42c0f5afe6d5e701165d41dbf1aa2e58bfaf46fc8cf553c325dbc7471636a933e6fbbdafbc1bc5dcc72
ripemd-160 b5562c1314b22105f3d553c3bbb99235ff09e4e8

28421818 as geometric shapes

Circle

Radius = n
Diameter 56843636
Circumference 178579549.26093
Area 2.5377777238081E+15

Sphere

Radius = n
Volume 9.6171008787372E+22
Surface area 1.0151110895233E+16
Circumference 178579549.26093

Square

Length = n
Perimeter 113687272
Area 807799738425124
Diagonal 40194520.4829

Cube

Length = n
Surface area 4846798430550744
Volume 2.2959137145966E+22
Space diagonal 49228032.819476

Equilateral Triangle

Length = n
Perimeter 85265454
Area 3.4978754732329E+14
Altitude 24614016.409738

Triangular Pyramid

Length = n
Surface area 3.4978754732329E+14
Volume 2.7057602610175E+21
Height 13398173.4943