20308021 is an odd 8-digits composite number following 20308020
and preceding 20308022 . In scientific notation, it is written as 2.0308021 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 20128192 positive integers (up to 20308021) that are relatively prime to 20308021.
20308021 has 4 divisors, whose sum is 20487852
The reverse of 20308021 is 12080302
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million three hundred eight thousand twenty-one
Scientific notation
2.0308021 × 10^7
Engineering notation
2.0308021 × 10^6
Prime Factorization
113 × 179717
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20308021
Product of the distinct prime numbers
The prime factorization of 20308021 is 113 × 179717.
Since it has a total of 2 prime factors.
3 , 8 , 15 , 52 , 167 , 366 , 8861 , 8908 , 57771 , 63539 , 635141 , 451992 , 5614879 , 6423509 , 60904548 , 19285976 , 833671243 , 978091663 , 2928657012 , 8582129343
n×2
40616042
n×3
60924063
n×4
81232084
n×5
101540105
n÷2
10154010.5
n÷3
6769340.3333333
n÷3
5077005.25
n÷5
4061604.2
n2
412415716936441
n3
8.3753470402753E+21
n4
1.700867235762E+29
n5
3.4541247542066E+36
2 √n
4506.442166499
3 √n
272.82816452705
4 √n
67.130039226109
5 √n
28.942331981376
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20308020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20308021 can be divided by 4 positive divisors.
The sum of these divisors (counting 20308021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101011110000000110101
3
Ternary
1102012202100221
4
Quaternary
1031132000311
5
Quinary
20144324041
6
Senary
2003134341
8
Octal
115360065
10
Decimal
20308021
12
Duodecimal
69743b1
16
Hexadecimal
135e035
20
Vigesimal
66ia11
36
Base36
c39rp
md5
e8c6aa67c3e477ba5beb43f6602988c3
sha1
fb5dfe92a9f2af532d233e18670df8c6e7939ed0
sha256
1a6a071284a420ca2fe08636031df1117aa85686b97d6e13430d9b3df77f0253
sha512
f523c78784aa38a629654fd7aa5aa63b9a1fafa2bfbf6b05948a121c1f494c51706abfb752c68daa9711d99669ca4f249ad27021df48f79835eb5f495bbc6807
ripemd-160
d5e06a5f2ad72ca352b2e4798579ac2b7718c320
Diameter
40616042
Circumference
127599059.16509
Area
1.2956421865525E+15
Volume
3.5082571643992E+22
Surface area
5.18256874621E+15
Circumference
127599059.16509
Perimeter
81232084
Area
412415716936441
Diagonal
28719878.723158
Surface area
2474494301618646
Volume
8.3753470402753E+21
Space diagonal
35174524.173176
Perimeter
60924063
Area
1.7858124389347E+14
Altitude
17587262.086588
Surface area
1.7858124389347E+14
Volume
9.8704411449489E+20
Height
9573292.9077192