20215638 is an even 8-digits composite number following 20215637
and preceding 20215639 . In scientific notation, it is written as 2.0215638 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6662304 positive integers (up to 20215638) that are relatively prime to 20215638.
20215638 has 16 divisors, whose sum is 34074000
The reverse of 20215638 is 83651202
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million two hundred fifteen thousand six hundred thirty-eight
Scientific notation
2.0215638 × 10^7
Engineering notation
2.0215638 × 10^6
Prime Factorization
2 × 9 × 89 × 12619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20215638
Product of the distinct prime numbers
The prime factorization of 20215638 is 2 × 9 × 89 × 12619.
Since it has a total of 4 prime factors.
3 , 1 , 89 , 100 , 384 , 392 , 4463 , 6570 , 23030 , 63524 , 411002 , 24680 , 6049938 , 8358200 , 80421774 , 56122765 , 861188302 , 576186744 , 3707925040 , 6514431383
n×2
40431276
n×3
60646914
n×4
80862552
n×5
101078190
n÷2
10107819
n÷3
6738546
n÷3
5053909.5
n÷5
4043127.6
n2
408672019747044
n3
8.2615656119351E+21
n4
1.6701281972413E+29
n5
3.3762707049022E+36
2 √n
4496.1803789439
3 √n
272.41382905075
4 √n
67.053563506676
5 √n
28.915951684822
1 , 2 , 9 , 18 , 89 , 178 , 801 , 1602 , 12619 , 25238 , 113571 , 227142 , 1123091 , 2246182 , 10107819 , 20215638
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20215637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215638 can be divided by 16 positive divisors.
The sum of these divisors (counting 20215638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000111011101010110
3
Ternary
1102001001122100
4
Quaternary
1031013131112
5
Quinary
20133400023
6
Senary
2001142530
8
Octal
115073526
10
Decimal
20215638
12
Duodecimal
692aa46
16
Hexadecimal
1347756
20
Vigesimal
666j1i
36
Base36
c1ahi
md5
cec1085fd66d08c8729837f364594c22
sha1
32618de70314e28a9af7a4a946a7d29da02300c1
sha256
2fc1186e90439406ef1f144d5fb1259745af7ec157ee9d049eed071f3300cd81
sha512
cb0c342b797043f44da6d2d35607e109c732d02489cf40ceb48333b3e853c7e80ebb177a3fa987607eae01bb696d4d68f1e429ab703bb76eebe70a9407295ef6
ripemd-160
fd232df18ceb2cf9920f1d0a35216e0c03fd479d
Diameter
40431276
Circumference
127018599.65686
Area
1.283881014965E+15
Volume
3.4605965111474E+22
Surface area
5.1355240598601E+15
Circumference
127018599.65686
Perimeter
80862552
Area
408672019747044
Diagonal
28589229.431625
Surface area
2452032118482264
Volume
8.2615656119351E+21
Space diagonal
35014512.12342
Perimeter
60646914
Area
1.7696017545842E+14
Altitude
17507256.06171
Surface area
1.7696017545842E+14
Volume
9.7363484456948E+20
Height
9529743.143875