20215812 is an even 8-digits composite number following 20215811
and preceding 20215813 . In scientific notation, it is written as 2.0215812 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 6657088 positive integers (up to 20215812) that are relatively prime to 20215812.
20215812 has 24 divisors, whose sum is 47740896
The reverse of 20215812 is 21851202
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred fifteen thousand eight hundred twelve
Scientific notation
2.0215812 × 10^7
Engineering notation
2.0215812 × 10^6
Prime Factorization
2 × 2 × 3 × 83 × 20297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10107906
Product of the distinct prime numbers
The prime factorization of 20215812 is 2 × 2 × 3 × 83 × 20297.
Since it has a total of 5 prime factors.
10 , 9 , 90 , 38 , 53 , 382 , 2228 , 1237 , 80879 , 36218 , 723888 , 31555 , 7436766 , 228114 , 55441258 , 29413227 , 108004638 , 763365477 , 3325174753 , 2831760703
n×2
40431624
n×3
60647436
n×4
80863248
n×5
101079060
n÷2
10107906
n÷3
6738604
n÷3
5053953
n÷5
4043162.4
n2
408679054819344
n3
8.2617789405656E+21
n4
1.6701856984803E+29
n5
3.3764160085567E+36
2 √n
4496.1997286597
3 √n
272.41461062176
4 √n
67.053707792036
5 √n
28.916001461715
1 , 2 , 3 , 4 , 6 , 12 , 83 , 166 , 249 , 332 , 498 , 996 , 20297 , 40594 , 60891 , 81188 , 121782 , 243564 , 1684651 , 3369302 , 5053953 , 6738604 , 10107906 , 20215812
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
-20215811
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 20215812 can be divided by 24 positive divisors.
The sum of these divisors (counting 20215812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000111100000000100
3
Ternary
1102001001212210
4
Quaternary
1031013200010
5
Quinary
20133401222
6
Senary
2001143420
8
Octal
115074004
10
Decimal
20215812
12
Duodecimal
692ab70
16
Hexadecimal
1347804
20
Vigesimal
666jac
36
Base36
c1amc
md5
dd36e2b2eb5e263d29cd426a96ab9845
sha1
962ac4a3e27fcf1ed7f7033bc3489a3e34434188
sha256
4cf1cce0f2f60d2c6b2315334d97c32877cab9e19d315df943c651346e1ff800
sha512
81e84a299caf48d7a190971af9935298be99ccafb471a2203ae68be8365550f000fa2f2fd5357eec6c7b521e0254e4d5b4d7f54bc204d1865cb9fdeec5fb57dd
ripemd-160
b06e50a1f559c76c219822b343910da8a28bbfd8
Diameter
40431624
Circumference
127019692.9311
Area
1.2839031162965E+15
Volume
3.4606858700351E+22
Surface area
5.1356124651859E+15
Circumference
127019692.9311
Perimeter
80863248
Area
408679054819344
Diagonal
28589475.504785
Surface area
2452074328916064
Volume
8.2617789405656E+21
Space diagonal
35014813.500261
Perimeter
60647436
Area
1.7696322173408E+14
Altitude
17507406.75013
Surface area
1.7696322173408E+14
Volume
9.7365998558969E+20
Height
9529825.1682616