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.
28421818 has 8 divisors, whose sum is 42671412
The reverse of 28421818 is 81812482
Previous prime number is 1217
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million four hundred twenty-one thousand eight hundred eighteen
Scientific notation
2.8421818 × 10^7
Engineering notation
2.8421818 × 10^6
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.
10 , 10 , 59 , 70 , 337 , 13 , 3060 , 9952 , 25843 , 72556 , 631365 , 385560 , 8840267 , 5953108 , 23446871 , 73231298 , 553103615 , 14643870 , 672992422 , 1297201145
n×2
56843636
n×3
85265454
n×4
113687272
n×5
142109090
n÷2
14210909
n÷3
9473939.3333333
n÷3
7105454.5
n÷5
5684363.6
n2
807799738425124
n3
2.2959137145966E+22
n4
6.525404173997E+29
n5
1.8546384980978E+37
2 √n
5331.2116821601
3 √n
305.17616983523
4 √n
73.015146936509
5 √n
30.954968814508
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
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
md5
2f61777e15600eb424be27f9bf19920b
sha1
db46651cbcab9314f1d3c6e007398665623746e0
sha256
718af442f50940e2a845b8532fdef72033ea64ba1c1bbce48e7b0d60e3bb3e74
sha512
333426d98e2f031a42682a2b2410ee4ff8d76634aa93b42c0f5afe6d5e701165d41dbf1aa2e58bfaf46fc8cf553c325dbc7471636a933e6fbbdafbc1bc5dcc72
ripemd-160
b5562c1314b22105f3d553c3bbb99235ff09e4e8
Diameter
56843636
Circumference
178579549.26093
Area
2.5377777238081E+15
Volume
9.6171008787372E+22
Surface area
1.0151110895233E+16
Circumference
178579549.26093
Perimeter
113687272
Area
807799738425124
Diagonal
40194520.4829
Surface area
4846798430550744
Volume
2.2959137145966E+22
Space diagonal
49228032.819476
Perimeter
85265454
Area
3.4978754732329E+14
Altitude
24614016.409738
Surface area
3.4978754732329E+14
Volume
2.7057602610175E+21
Height
13398173.4943