20421837 is an odd 8-digits composite number following 20421836
and preceding 20421838 . In scientific notation, it is written as 2.0421837 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13594560 positive integers (up to 20421837) that are relatively prime to 20421837.
20421837 has 8 divisors, whose sum is 22724280
The reverse of 20421837 is 73812402
Previous prime number is 953
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred twenty-one thousand eight hundred thirty-seven
Scientific notation
2.0421837 × 10^7
Engineering notation
2.0421837 × 10^6
Prime Factorization
9 × 953 × 2381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20421837
Product of the distinct prime numbers
The prime factorization of 20421837 is 9 × 953 × 2381.
Since it has a total of 3 prime factors.
10 , 4 , 83 , 41 , 733 , 95 , 9009 , 2024 , 28356 , 31252 , 389696 , 245796 , 8244519 , 7128698 , 93504519 , 77981777 , 849482338 , 902922093 , 819874331 , 101308849
n×2
40843674
n×3
61265511
n×4
81687348
n×5
102109185
n÷2
10210918.5
n÷3
6807279
n÷3
5105459.25
n÷5
4084367.4
n2
417051426454569
n3
8.5169562516727E+21
n4
1.7393189230779E+29
n5
3.5520087538113E+36
2 √n
4519.0526662122
3 √n
273.33690242547
4 √n
67.223899516558
5 √n
28.974700871457
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
-20421836
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 20421837 can be divided by 8 positive divisors.
The sum of these divisors (counting 20421837) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101111001110011001101
3
Ternary
1102102112111100
4
Quaternary
1031321303031
5
Quinary
20211444322
6
Senary
2005413313
8
Octal
115716315
10
Decimal
20421837
12
Duodecimal
6a0a239
16
Hexadecimal
1379ccd
20
Vigesimal
67cebh
36
Base36
c5pl9
md5
0328764f6d1370639e3363f8e8375bf3
sha1
6c322e41c42f8d6f76dfd0bfa6257b7c2608837f
sha256
cc27612239a0ccf769003e26ced01d0b0fb8db70e97e9f5a2d2e38c3508fd713
sha512
77e408b2e28ef714d526fa56ad761be522a1e922a2742414369a9668c080b097ce27423a7928954426efc1a3424d1c7c1b6c559e19a28609596d9731866076b5
ripemd-160
7fdd0b1d404b981eb069e13e053db7128db305d5
Diameter
40843674
Circumference
128314186.18402
Area
1.3102056975188E+15
Volume
3.5675742921601E+22
Surface area
5.2408227900753E+15
Circumference
128314186.18402
Perimeter
81687348
Area
417051426454569
Diagonal
28880838.853973
Surface area
2502308558727414
Volume
8.5169562516727E+21
Space diagonal
35371659.26789
Perimeter
61265511
Area
1.805885649971E+14
Altitude
17685829.633945
Surface area
1.805885649971E+14
Volume
1.0037329201045E+21
Height
9626946.2846576