20215982 is an even 8-digits composite number following 20215981
and preceding 20215983 . In scientific notation, it is written as 2.0215982 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 10107990 positive integers (up to 20215982) that are relatively prime to 20215982.
20215982 has 4 divisors, whose sum is 30323976
The reverse of 20215982 is 28951202
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million two hundred fifteen thousand nine hundred eighty-two
Scientific notation
2.0215982 × 10^7
Engineering notation
2.0215982 × 10^6
Prime Factorization
2 × 10107991
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20215982
Product of the distinct prime numbers
The prime factorization of 20215982 is 2 × 10107991.
Since it has a total of 2 prime factors.
5 , 2 , 10 , 91 , 231 , 654 , 8198 , 1950 , 68476 , 33266 , 605021 , 964432 , 1082174 , 7313897 , 34251871 , 16148735 , 198130624 , 93726024 , 7176353097 , 5677154310
n×2
40431964
n×3
60647946
n×4
80863928
n×5
101079910
n÷2
10107991
n÷3
6738660.6666667
n÷3
5053995.5
n÷5
4043196.4
n2
408685928224324
n3
8.2619873686362E+21
n4
1.6702418792858E+29
n5
3.3765579767287E+36
2 √n
4496.2186334741
3 √n
272.4153742213
4 √n
67.053848759591
5 √n
28.916050093981
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20215981
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215982 can be divided by 4 positive divisors.
The sum of these divisors (counting 20215982) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000111100010101110
3
Ternary
1102001002010002
4
Quaternary
1031013202232
5
Quinary
20133402412
6
Senary
2001144302
8
Octal
115074256
10
Decimal
20215982
12
Duodecimal
692b092
16
Hexadecimal
13478ae
20
Vigesimal
666jj2
36
Base36
c1ar2
md5
8b3550ffaa487a435d4f3f813bbaeccf
sha1
3a98442c7fed0f37c609105a9521122f44c949ba
sha256
68177540d442c3cd52bded6612d60f3d0bf83236e881287a8276449059d2bcf6
sha512
84ef704f5b3f13202b6e56778464bfb19d6a5ccb8acf4f8540bfd8a8d738c3d02edb2f7b634f488d27a945183ec7148e6d3463e07f3af5b9d7137d3dd51f427a
ripemd-160
f7562cf48432cedc30abc1f72721e0278495839d
Diameter
40431964
Circumference
127020761.07261
Area
1.2839247097351E+15
Volume
3.4607731761812E+22
Surface area
5.1356988389402E+15
Circumference
127020761.07261
Perimeter
80863928
Area
408685928224324
Diagonal
28589715.92109
Surface area
2452115569345944
Volume
8.2619873686362E+21
Space diagonal
35015107.948898
Perimeter
60647946
Area
1.7696619800574E+14
Altitude
17507553.974449
Surface area
1.7696619800574E+14
Volume
9.7368454907338E+20
Height
9529905.3070301