20115988 is an even 8-digits composite number following 20115987
and preceding 20115989 . In scientific notation, it is written as 2.0115988 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors.
There are 10057992 positive integers (up to 20115988) that are relatively prime to 20115988.
20115988 has 6 divisors, whose sum is 35202986
The reverse of 20115988 is 88951102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred fifteen thousand nine hundred eighty-eight
Scientific notation
2.0115988 × 10^7
Engineering notation
2.0115988 × 10^6
Prime Factorization
2 × 2 × 5028997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10057994
Product of the distinct prime numbers
The prime factorization of 20115988 is 2 × 2 × 5028997.
Since it has a total of 3 prime factors.
5 , 6 , 35 , 93 , 230 , 877 , 4401 , 4115 , 38634 , 60947 , 109338 , 276478 , 4525169 , 8885021 , 24959165 , 42220828 , 93899673 , 392017605 , 8778114932 , 7729747449
n×2
40231976
n×3
60347964
n×4
80463952
n×5
100579940
n÷2
10057994
n÷3
6705329.3333333
n÷3
5028997
n÷5
4023197.6
n2
404652973216144
n3
8.1399943533803E+21
n4
1.6374402873267E+29
n5
3.293872917058E+36
2 √n
4485.0850605089
3 √n
271.96548365357
4 √n
66.970777660924
5 √n
28.88738792672
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20115987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20115988 can be divided by 6 positive divisors.
The sum of these divisors (counting 20115988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100101111001000010100
3
Ternary
1101211222221121
4
Quaternary
1030233020110
5
Quinary
20122202423
6
Senary
1555053324
8
Octal
114571024
10
Decimal
20115988
12
Duodecimal
68a1244
16
Hexadecimal
132f214
20
Vigesimal
65e9j8
36
Base36
bz5lg
md5
bf242e6613d6dbf6f193f573502c5b53
sha1
1383fce4d4605408ee597a48657b5b90d1fe0cff
sha256
012ffc6f20c53f4e3284d656d5a18f881a0c0cfed9b83b6e54c96a0481f0e1bf
sha512
dbfd63deca6b6bdbd0abf811129ca628d7d0cbda8dae2fd1b5ceb6c3384b0f6b0fd993f4e26117d2f2ab3fd54eea49c3ac9c544e67ea8f10a30db04d2372b300
ripemd-160
f7eac49222f2df9e373e92e54b199c8d05f78e41
Diameter
40231976
Circumference
126392480.241
Area
1.2712548079091E+15
Volume
3.4096728614456E+22
Surface area
5.0850192316364E+15
Circumference
126392480.241
Perimeter
80463952
Area
404652973216144
Diagonal
28448303.050134
Surface area
2427917839296864
Volume
8.1399943533803E+21
Space diagonal
34841913.260446
Perimeter
60347964
Area
1.7521987726104E+14
Altitude
17420956.630223
Surface area
1.7521987726104E+14
Volume
9.5930753434923E+20
Height
9482767.6833781