20421172 is an even 8-digits composite number following 20421171
and preceding 20421173 . In scientific notation, it is written as 2.0421172 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 10201536 positive integers (up to 20421172) that are relatively prime to 20421172.
20421172 has 12 divisors, whose sum is 35768740
The reverse of 20421172 is 27112402
Previous prime number is 2137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million four hundred twenty-one thousand one hundred seventy-two
Scientific notation
2.0421172 × 10^7
Engineering notation
2.0421172 × 10^6
Prime Factorization
2 × 2 × 2137 × 2389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10210586
Product of the distinct prime numbers
The prime factorization of 20421172 is 2 × 2 × 2137 × 2389.
Since it has a total of 4 prime factors.
8 , 5 , 66 , 55 , 798 , 313 , 8782 , 9303 , 33015 , 26210 , 499002 , 647216 , 110113 , 4247199 , 47189355 , 33677032 , 273820414 , 255708811 , 4269566631 , 3333963291
n×2
40842344
n×3
61263516
n×4
81684688
n×5
102105860
n÷2
10210586
n÷3
6807057.3333333
n÷3
5105293
n÷5
4084234.4
n2
417024265853584
n3
8.5161242611698E+21
n4
1.7390923831072E+29
n5
3.5514304679322E+36
2 √n
4518.9790882455
3 √n
273.33393548681
4 √n
67.223352253852
5 √n
28.974512167306
1 , 2 , 4 , 2137 , 2389 , 4274 , 4778 , 8548 , 9556 , 5105293 , 10210586 , 20421172
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20421171
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20421172 can be divided by 12 positive divisors.
The sum of these divisors (counting 20421172) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101111001101000110100
3
Ternary
1102102111120201
4
Quaternary
1031321220310
5
Quinary
20211434142
6
Senary
2005410244
8
Octal
115715064
10
Decimal
20421172
12
Duodecimal
6a09984
16
Hexadecimal
1379a34
20
Vigesimal
67ccic
36
Base36
c5p2s
md5
6dabb168f039125d107a1230de92f2b5
sha1
8a427cbae489a91bb330f708540a3a28c446448a
sha256
090e0ad7110e474a953e1e9ef9edbce6fe438d62166dc283d7d11825812e5f3e
sha512
cc328da35eba2d68842d22c87e86758e92c040821cc823fbfea353cc36b7cf57ac5af7a7096bdb8ec09ee9410341644d32a7f9d79caca21b955edcc17b0a4bdc
ripemd-160
c985cb2f08dfefd6b3082bca0a6bf5c712e2c094
Diameter
40842344
Circumference
128310007.86579
Area
1.3101203699743E+15
Volume
3.5672257887932E+22
Surface area
5.2404814798972E+15
Circumference
128310007.86579
Perimeter
81684688
Area
417024265853584
Diagonal
28879898.401954
Surface area
2502145595121504
Volume
8.5161242611698E+21
Space diagonal
35370507.454103
Perimeter
61263516
Area
1.8057680411188E+14
Altitude
17685253.727051
Surface area
1.8057680411188E+14
Volume
1.0036348690834E+21
Height
9626632.8006512