20028181 is an odd 8-digits prime number following 20028180
and preceding 20028182 . In scientific notation, it is written as 2.0028181 × 10^7.
The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors.
There are 20028180 positive integers (up to 20028181) that are relatively prime to 20028181.
20028181 has 2 divisors, whose sum is 20028182
The reverse of 20028181 is 18182002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million twenty-eight thousand one hundred eighty-one
Scientific notation
2.0028181 × 10^7
Engineering notation
2.0028181 × 10^6
Prime Factorization
20028181
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20028181
Product of the distinct prime numbers
The prime factorization of 20028181 is 20028181.
Since it has a total of 1 prime factors.
10 , 1 , 12 , 16 , 495 , 252 , 9017 , 3294 , 36929 , 61938 , 326578 , 812962 , 6062096 , 807686 , 11660303 , 26017275 , 228099 , 322227368 , 972055251 , 3595348655
n×2
40056362
n×3
60084543
n×4
80112724
n×5
100140905
n÷2
10014090.5
n÷3
6676060.3333333
n÷3
5007045.25
n÷5
4005636.2
n2
401128034168761
n3
8.0338648725061E+21
n4
1.6090369979609E+29
n5
3.2226084230858E+36
2 √n
4475.2855774799
3 √n
271.56919349703
4 √n
66.897575273547
5 √n
28.862124884236
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20028182
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10014091
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4475.2856892047
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999001407
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20028181 can be divided by 2 positive divisors.
The sum of these divisors (counting 20028181) is 20028182, the average is 10014091.
Base
System
Value
2
Binary
1001100011001101100010101
3
Ternary
1101200112111111
4
Quaternary
1030121230111
5
Quinary
20111400211
6
Senary
1553135021
8
Octal
114315425
10
Decimal
20028181
12
Duodecimal
685a471
16
Hexadecimal
1319b15
20
Vigesimal
653a91
36
Base36
bx9ud
md5
d9b19721071e9c15eea292b7daf1ea52
sha1
9b21bd1c6c284a6ab2db4213c79a44086d75bf4d
sha256
4ce15026f2e415c83cd50fed4a3ca3500e84d4b66533b91ed7c028674a922bc4
sha512
5c159a3e092fda82cbb0f93b87b5cbf518fe1054d573cc1a053a2a47b845f74869f6b75ae5a29381f9818450b28ff1a14ed07f82edcb228729533fcf19dd5596
ripemd-160
a704aa1842d0925a4b1c791e0fcbfa917be98d58
Diameter
40056362
Circumference
125840772.58873
Area
1.2601808852935E+15
Volume
3.3652174484531E+22
Surface area
5.040723541174E+15
Circumference
125840772.58873
Perimeter
80112724
Area
401128034168761
Diagonal
28324125.199863
Surface area
2406768205012566
Volume
8.0338648725061E+21
Space diagonal
34689827.075186
Perimeter
60084543
Area
1.7369353388013E+14
Altitude
17344913.537593
Surface area
1.7369353388013E+14
Volume
9.4680005508091E+20
Height
9441375.066621