20021220 is an even 8-digits composite number following 20021219
and preceding 20021221 . In scientific notation, it is written as 2.0021220 × 10^7.
The sum of its digits is 9. It has a total of 5 prime factors and 24 positive divisors.
There are 5338944 positive integers (up to 20021220) that are relatively prime to 20021220.
20021220 has 24 divisors, whose sum is 46716600
The reverse of 20021220 is 02212002
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 9
Digital Root 9
Name
twenty million twenty-one thousand two hundred twenty
Scientific notation
2.0021220 × 10^7
Engineering notation
2.0021220 × 10^6
Prime Factorization
2 × 2 × 9 × 5 × 111229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10010610
Product of the distinct prime numbers
The prime factorization of 20021220 is 2 × 2 × 9 × 5 × 111229.
Since it has a total of 5 prime factors.
2 , 4 , 70 , 87 , 272 , 263 , 6959 , 139 , 37499 , 51610 , 246077 , 229527 , 8845323 , 5640938 , 9511300 , 14371725 , 912440815 , 765743682 , 1398665160 , 1343602761
n×2
40042440
n×3
60063660
n×4
80084880
n×5
100106100
n÷2
10010610
n÷3
6673740
n÷3
5005305
n÷5
4004244
n2
400849250288400
n3
8.0254910268591E+21
n4
1.6068012145677E+29
n5
3.2170120613128E+36
2 √n
4474.5077941602
3 √n
271.53772763056
4 √n
66.891761780956
5 √n
28.860118339674
1 , 2 , 4 , 5 , 9 , 10 , 18 , 20 , 36 , 45 , 90 , 180 , 111229 , 222458 , 444916 , 556145 , 1001061 , 1112290 , 2002122 , 2224580 , 4004244 , 5005305 , 10010610 , 20021220
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20021219
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20021220 can be divided by 24 positive divisors.
The sum of these divisors (counting 20021220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100010111111111100100
3
Ternary
1101200011221200
4
Quaternary
1030113333210
5
Quinary
20111134340
6
Senary
1553042500
8
Octal
114277744
10
Decimal
20021220
12
Duodecimal
6856430
16
Hexadecimal
1317fe4
20
Vigesimal
652d10
36
Base36
bx4h0
md5
f49ddcefd6d94038c83c985edc8e3db4
sha1
943837621ad0dcc206896775f3d1175e0b346f1f
sha256
0be9cc5844dd3c90124c54e21dc9c410b5848ced61688bbe7694f59d02b09e2d
sha512
7d9bb31ec2046ee2e8d6a748f3f42b9fe790baf54dc847dca6cd45d8dd4b12702aaa2d8d49d79b59f4acef2e37c349d33bab7ef0cbe662fc89adb532974fc823
ripemd-160
e93aaa94da0dc63b1bdc650d0ed7926c01a17d1e
Diameter
40042440
Circumference
125797035.33581
Area
1.259305059903E+15
Volume
3.3617098201909E+22
Surface area
5.0372202396121E+15
Circumference
125797035.33581
Perimeter
80084880
Area
400849250288400
Diagonal
28314280.859255
Surface area
2405095501730400
Volume
8.0254910268591E+21
Space diagonal
34677770.269514
Perimeter
60063660
Area
1.7357281691885E+14
Altitude
17338885.134757
Surface area
1.7357281691885E+14
Volume
9.4581318790731E+20
Height
9438093.6197518