20127915 is an odd 8-digits composite number following 20127914
and preceding 20127916 . In scientific notation, it is written as 2.0127915 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 9950208 positive integers (up to 20127915) that are relatively prime to 20127915.
20127915 has 24 divisors, whose sum is 29864016
The reverse of 20127915 is 51972102
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-seven thousand nine hundred fifteen
Scientific notation
2.0127915 × 10^7
Engineering notation
2.0127915 × 10^6
Prime Factorization
85 × 3 × 3 × 83 × 317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6709305
Product of the distinct prime numbers
The prime factorization of 20127915 is 85 × 3 × 3 × 83 × 317.
Since it has a total of 5 prime factors.
5 , 2 , 78 , 86 , 270 , 39 , 3503 , 8669 , 37004 , 49837 , 487796 , 78165 , 4354397 , 3672737 , 43900296 , 62639711 , 501647705 , 480560670 , 6584239253 , 8849572429
n×2
40255830
n×3
60383745
n×4
80511660
n×5
100639575
n÷2
10063957.5
n÷3
6709305
n÷3
5031978.75
n÷5
4025583
n2
405132962247225
n3
8.1544818278104E+21
n4
1.6413271709921E+29
n5
3.303649378492E+36
2 √n
4486.4144926656
3 √n
272.0192235188
4 √n
66.980702390059
5 √n
28.890812647317
1 , 3 , 9 , 83 , 85 , 249 , 255 , 317 , 747 , 765 , 951 , 2853 , 7055 , 21165 , 26311 , 26945 , 63495 , 78933 , 80835 , 236799 , 242505 , 2236435 , 6709305 , 20127915
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20127914
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20127915 can be divided by 24 positive divisors.
The sum of these divisors (counting 20127915) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110010000010101011
3
Ternary
1101212121022100
4
Quaternary
1030302002223
5
Quinary
20123043130
6
Senary
1555224443
8
Octal
114620253
10
Decimal
20127915
12
Duodecimal
68a8123
16
Hexadecimal
13320ab
20
Vigesimal
65fjff
36
Base36
bzesr
md5
029a80bac633b60b743cd261eb0f3eac
sha1
bd4c2ddd0d29b65bfbb4345cc172a12015964e50
sha256
a8c6a5f2604587057d1cba6c5c7986822a3780a73a509e1693db796d68d1ac23
sha512
3e0eb7b3ecc4600922f51c3595ac1e8d14df602f2408beb30d3e2dd611bb39920b41d4eee4ca6355742b43f9021971bad33f26a93927401b6929ddee9c3cf277
ripemd-160
e6ae5817668a8f2188cefea16dd6ba399ec9ad9b
Diameter
40255830
Circumference
126467419.79216
Area
1.272762737923E+15
Volume
3.4157413605441E+22
Surface area
5.0910509516918E+15
Circumference
126467419.79216
Perimeter
80511660
Area
405132962247225
Diagonal
28465170.375293
Surface area
2430797773483350
Volume
8.1544818278104E+21
Space diagonal
34862571.430428
Perimeter
60383745
Area
1.7542771860827E+14
Altitude
17431285.715214
Surface area
1.7542771860827E+14
Volume
9.6101489958453E+20
Height
9488390.1250976