20215420 is an even 8-digits composite number following 20215419
and preceding 20215421 . In scientific notation, it is written as 2.0215420 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 12 positive divisors.
There are 8086160 positive integers (up to 20215420) that are relatively prime to 20215420.
20215420 has 12 divisors, whose sum is 42452424
The reverse of 20215420 is 02451202
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million two hundred fifteen thousand four hundred twenty
Scientific notation
2.0215420 × 10^7
Engineering notation
2.0215420 × 10^6
Prime Factorization
2 × 2 × 5 × 1010771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10107710
Product of the distinct prime numbers
The prime factorization of 20215420 is 2 × 2 × 5 × 1010771.
Since it has a total of 4 prime factors.
6 , 6 , 71 , 82 , 24 , 639 , 7899 , 6563 , 8852 , 30155 , 807192 , 355420 , 149350 , 2614538 , 36519949 , 22704816 , 141262268 , 159530030 , 5497013405 , 834610329
n×2
40430840
n×3
60646260
n×4
80861680
n×5
101077100
n÷2
10107710
n÷3
6738473.3333333
n÷3
5053855
n÷5
4043084
n2
408663205776400
n3
8.2612983433164E+21
n4
1.6700561575544E+29
n5
3.3760886648549E+36
2 √n
4496.1561360789
3 √n
272.41284983475
4 √n
67.053382734049
5 √n
28.915889320185
1 , 2 , 4 , 5 , 10 , 20 , 1010771 , 2021542 , 4043084 , 5053855 , 10107710 , 20215420
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
-20215419
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 20215420 can be divided by 12 positive divisors.
The sum of these divisors (counting 20215420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000111011001111100
3
Ternary
1102001001100021
4
Quaternary
1031013121330
5
Quinary
20133343140
6
Senary
2001141524
8
Octal
115073174
10
Decimal
20215420
12
Duodecimal
692a8a4
16
Hexadecimal
134767c
20
Vigesimal
666ib0
36
Base36
c1abg
md5
3db429e76ed9e08eb72b9f26aa45abb1
sha1
85ada0bd5fd342dba95e4a7299b8a57e746117b7
sha256
1fea6ea02aeefa6189d48c191ec27b57600b12d7288bf0d25da89b3be08f92b1
sha512
95a63009b403f7ea26bba93ccde3b7fb593bcfd1e850a09b719ae0f5c08d9ca584dab79e59fbb9e36b17e1b029cb4c35a00d8398bac201a163e5740cdaa1d98e
ripemd-160
9649325fbffd5219cd1be3508a5bd4c847034345
Diameter
40430840
Circumference
127017229.92246
Area
1.2838533250596E+15
Volume
3.4604845579302E+22
Surface area
5.1354133002384E+15
Circumference
127017229.92246
Perimeter
80861680
Area
408663205776400
Diagonal
28588921.133068
Surface area
2451979234658400
Volume
8.2612983433164E+21
Space diagonal
35014134.536344
Perimeter
60646260
Area
1.7695635889717E+14
Altitude
17507067.268172
Surface area
1.7695635889717E+14
Volume
9.736033466607E+20
Height
9529640.3776894