20421570 is an even 8-digits composite number following 20421569
and preceding 20421571 . In scientific notation, it is written as 2.0421570 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 5026752 positive integers (up to 20421570) that are relatively prime to 20421570.
20421570 has 32 divisors, whose sum is 52782912
The reverse of 20421570 is 07512402
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred twenty-one thousand five hundred seventy
Scientific notation
2.0421570 × 10^7
Engineering notation
2.0421570 × 10^6
Prime Factorization
2 × 3 × 5 × 13 × 52363
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20421570
Product of the distinct prime numbers
The prime factorization of 20421570 is 2 × 3 × 5 × 13 × 52363.
Since it has a total of 5 prime factors.
3 , 10 , 72 , 2 , 924 , 290 , 5271 , 2071 , 43179 , 72265 , 229106 , 63686 , 7305881 , 3310026 , 17813714 , 32511819 , 805689408 , 627340457 , 9828711 , 6305831125
n×2
40843140
n×3
61264710
n×4
81686280
n×5
102107850
n÷2
10210785
n÷3
6807190
n÷3
5105392.5
n÷5
4084314
n2
417040521264900
n3
8.5166221978476E+21
n4
1.739227963769E+29
n5
3.5517765608066E+36
2 √n
4519.0231245259
3 √n
273.33571119618
4 √n
67.22367979013
5 √n
28.974625106622
1 , 2 , 3 , 5 , 6 , 10 , 13 , 15 , 26 , 30 , 39 , 65 , 78 , 130 , 195 , 390 , 52363 , 104726 , 157089 , 261815 , 314178 , 523630 , 680719 , 785445 , 1361438 , 1570890 , 2042157 , 3403595 , 4084314 , 6807190 , 10210785 , 20421570
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20421569
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20421570 can be divided by 32 positive divisors.
The sum of these divisors (counting 20421570) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101111001101111000010
3
Ternary
1102102112010110
4
Quaternary
1031321233002
5
Quinary
20211442240
6
Senary
2005412150
8
Octal
115715702
10
Decimal
20421570
12
Duodecimal
6a0a056
16
Hexadecimal
1379bc2
20
Vigesimal
67cdia
36
Base36
c5pdu
md5
cd97f12892a727f34a6937755832ae8b
sha1
4ccbc3bcb1616d8e01512925de6049c0edf35b95
sha256
23e51f4446dbbed44075c43de3c58e852433b82a6e71bc4532461270d6b7333c
sha512
75747ca030f1c0cb91456807bd75d81e007879d82d776f38b9ea55abe9f34f4254ee259993a360a746c122563135c9901ad84f2acc8fd6dc90a21ff2ef0e1ff8
ripemd-160
e106e4ed90fa1d75c2f91e7d5b825e50546f7385
Diameter
40843140
Circumference
128312508.57354
Area
1.3101714378551E+15
Volume
3.5674343640211E+22
Surface area
5.2406857514203E+15
Circumference
128312508.57354
Perimeter
81686280
Area
417040521264900
Diagonal
28880461.258952
Surface area
2502243127589400
Volume
8.5166221978476E+21
Space diagonal
35371196.810324
Perimeter
61264710
Area
1.8058384291145E+14
Altitude
17685598.405162
Surface area
1.8058384291145E+14
Volume
1.0036935514837E+21
Height
9626820.4196505