20215538 is an even 8-digits composite number following 20215537
and preceding 20215539 . In scientific notation, it is written as 2.0215538 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 8663760 positive integers (up to 20215538) that are relatively prime to 20215538.
20215538 has 12 divisors, whose sum is 35274222
The reverse of 20215538 is 83551202
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million two hundred fifteen thousand five hundred thirty-eight
Scientific notation
2.0215538 × 10^7
Engineering notation
2.0215538 × 10^6
Prime Factorization
2 × 7 × 7 × 206281
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2887934
Product of the distinct prime numbers
The prime factorization of 20215538 is 2 × 7 × 7 × 206281.
Since it has a total of 4 prime factors.
6 , 3 , 82 , 9 , 353 , 753 , 6387 , 9235 , 1754 , 43914 , 672692 , 501076 , 5100715 , 7217544 , 90636116 , 13684216 , 319951870 , 258483925 , 1901737834 , 9195792455
n×2
40431076
n×3
60646614
n×4
80862152
n×5
101077690
n÷2
10107769
n÷3
6738512.6666667
n÷3
5053884.5
n÷5
4043107.6
n2
408667976629444
n3
8.2614430109356E+21
n4
1.670095151224E+29
n5
3.3761871993185E+36
2 √n
4496.1692583798
3 √n
272.41337986997
4 √n
67.053480583634
5 √n
28.915923077257
1 , 2 , 7 , 14 , 49 , 98 , 206281 , 412562 , 1443967 , 2887934 , 10107769 , 20215538
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
-20215537
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 20215538 can be divided by 12 positive divisors.
The sum of these divisors (counting 20215538) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000111011011110010
3
Ternary
1102001001111122
4
Quaternary
1031013123302
5
Quinary
20133344123
6
Senary
2001142242
8
Octal
115073362
10
Decimal
20215538
12
Duodecimal
692a982
16
Hexadecimal
13476f2
20
Vigesimal
666igi
36
Base36
c1aeq
md5
14f438577798b04a63b51bc497e99cec
sha1
a13a1ed2e30afde957c49db629d2af6a77abac0c
sha256
ea42e31ef830c6655f35a600cd410167c3d570b4f49b74ed0bc558fbad8ba944
sha512
7ca5751b4824e96ca95e1fd7a8e6c7b0e52e9f79f361ac647f2e164283e0136eb1a0973f0f3e81b89aa78cba6d0664db7869b8048319146077c523b00e30d44d
ripemd-160
a7cafae25637ebaa4d4b86094543df0db0a3be3a
Diameter
40431076
Circumference
127017971.33833
Area
1.2838683131365E+15
Volume
3.4605451561608E+22
Surface area
5.1354732525459E+15
Circumference
127017971.33833
Perimeter
80862152
Area
408667976629444
Diagonal
28589088.010269
Surface area
2452007859776664
Volume
8.2614430109356E+21
Space diagonal
35014338.918339
Perimeter
60646614
Area
1.7695842473714E+14
Altitude
17507169.45917
Surface area
1.7695842473714E+14
Volume
9.7362039590313E+20
Height
9529696.0034229