20115868 is an even 8-digits composite number following 20115867
and preceding 20115869 . In scientific notation, it is written as 2.0115868 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10024560 positive integers (up to 20115868) that are relatively prime to 20115868.
20115868 has 12 divisors, whose sum is 35319592
The reverse of 20115868 is 86851102
Previous prime number is 307
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred fifteen thousand eight hundred sixty-eight
Scientific notation
2.0115868 × 10^7
Engineering notation
2.0115868 × 10^6
Prime Factorization
2 × 2 × 307 × 16381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10057934
Product of the distinct prime numbers
The prime factorization of 20115868 is 2 × 2 × 307 × 16381.
Since it has a total of 4 prime factors.
4 , 7 , 35 , 27 , 134 , 380 , 3761 , 8447 , 96096 , 56161 , 361218 , 572566 , 7950940 , 8601108 , 43003976 , 5687155 , 49170512 , 360541407 , 5872850732 , 1464865166
n×2
40231736
n×3
60347604
n×4
80463472
n×5
100579340
n÷2
10057934
n÷3
6705289.3333333
n÷3
5028967
n÷5
4023173.6
n2
404648145393424
n3
8.1398486791789E+21
n4
1.6374012157034E+29
n5
3.2937746718129E+36
2 √n
4485.0716828162
3 √n
271.96494285781
4 √n
66.97067778376
5 √n
28.887353461648
1 , 2 , 4 , 307 , 614 , 1228 , 16381 , 32762 , 65524 , 5028967 , 10057934 , 20115868
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
-20115867
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 20115868 can be divided by 12 positive divisors.
The sum of these divisors (counting 20115868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100101111000110011100
3
Ternary
1101211222210011
4
Quaternary
1030233012130
5
Quinary
20122201433
6
Senary
1555053004
8
Octal
114570634
10
Decimal
20115868
12
Duodecimal
68a1164
16
Hexadecimal
132f19c
20
Vigesimal
65e9d8
36
Base36
bz5i4
md5
bcce6fcf8625a41edb5f0ac4f2e4cd4e
sha1
a18cc0cb9acf46adac758a63509e3f5726bddc25
sha256
fb474b55b87d6bda91c3c75572b8d3dbca552fc8126987839bc58417605a640a
sha512
a9387792821b5e573b30362f6972028a08a0760c45320bf3788c8c619ea6f608e3fc889725c140d7df31e2170e37b093aabeee13008f92dcb01274142393ede0
ripemd-160
52619fa8f2d429aa63eec4bf23234e66503773e8
Diameter
40231736
Circumference
126391726.25876
Area
1.2712396408567E+15
Volume
3.4096118415788E+22
Surface area
5.0849585634269E+15
Circumference
126391726.25876
Perimeter
80463472
Area
404648145393424
Diagonal
28448133.344507
Surface area
2427888872360544
Volume
8.1398486791789E+21
Space diagonal
34841705.414349
Perimeter
60347604
Area
1.7521778675248E+14
Altitude
17420852.707174
Surface area
1.7521778675248E+14
Volume
9.5929036647996E+20
Height
9482711.1148356