20115538 is an even 8-digits composite number following 20115537
and preceding 20115539 . In scientific notation, it is written as 2.0115538 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 10057768 positive integers (up to 20115538) that are relatively prime to 20115538.
20115538 has 4 divisors, whose sum is 30173310
The reverse of 20115538 is 83551102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred fifteen thousand five hundred thirty-eight
Scientific notation
2.0115538 × 10^7
Engineering notation
2.0115538 × 10^6
Prime Factorization
2 × 10057769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20115538
Product of the distinct prime numbers
The prime factorization of 20115538 is 2 × 10057769.
Since it has a total of 2 prime factors.
10 , 9 , 86 , 74 , 374 , 231 , 2912 , 6245 , 62304 , 60050 , 504327 , 297828 , 5029759 , 8405456 , 81673185 , 50353271 , 621346375 , 546801864 , 2988963117 , 7707310517
n×2
40231076
n×3
60346614
n×4
80462152
n×5
100577690
n÷2
10057769
n÷3
6705179.3333333
n÷3
5028884.5
n÷5
4023107.6
n2
404634869029444
n3
8.1394480840868E+21
n4
1.6372937723448E+29
n5
3.2935045094764E+36
2 √n
4485.0348939557
3 √n
271.96345565838
4 √n
66.970403119256
5 √n
28.887258681854
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
-20115537
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 20115538 can be divided by 4 positive divisors.
The sum of these divisors (counting 20115538) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101111000001010010
3
Ternary
1101211222022221
4
Quaternary
1030233001102
5
Quinary
20122144123
6
Senary
1555051254
8
Octal
114570122
10
Decimal
20115538
12
Duodecimal
68a0b2a
16
Hexadecimal
132f052
20
Vigesimal
65e8gi
36
Base36
bz58y
md5
d1044e3444d30636806713848601396f
sha1
28224bedef312b86f3aba2489788f254a1de53b4
sha256
0161e06a861a0655da4cfd76442ef46bf76c53b1f7f72630ab938a2bf34f84c9
sha512
97370bc6fcd1b0b1703547a200ca58ab51a150ef630b84dc46dd933f0df9db80adc7458e2fdcf0f184fcb38c62267c01c88e0782e27ff69bade24d718c7200d0
ripemd-160
e07687697a3c0f14df7142911e8ac1750cde0522
Diameter
40231076
Circumference
126389652.80761
Area
1.2711979319292E+15
Volume
3.409444040699E+22
Surface area
5.0847917277167E+15
Circumference
126389652.80761
Perimeter
80462152
Area
404634869029444
Diagonal
28447666.654031
Surface area
2427809214176664
Volume
8.1394480840868E+21
Space diagonal
34841133.837582
Perimeter
60346614
Area
1.7521203791824E+14
Altitude
17420566.918791
Surface area
1.7521203791824E+14
Volume
9.5924315589561E+20
Height
9482555.5513438