20127281 is an odd 8-digits composite number following 20127280
and preceding 20127282 . In scientific notation, it is written as 2.0127281 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 20063472 positive integers (up to 20127281) that are relatively prime to 20127281.
20127281 has 4 divisors, whose sum is 20191092
The reverse of 20127281 is 18272102
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-seven thousand two hundred eighty-one
Scientific notation
2.0127281 × 10^7
Engineering notation
2.0127281 × 10^6
Prime Factorization
317 × 63493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20127281
Product of the distinct prime numbers
The prime factorization of 20127281 is 317 × 63493.
Since it has a total of 2 prime factors.
4 , 8 , 49 , 95 , 735 , 680 , 1451 , 8755 , 32913 , 74751 , 533949 , 180778 , 2337220 , 4913714 , 78461911 , 98769904 , 311301069 , 815568634 , 4324090928 , 500695779
n×2
40254562
n×3
60381843
n×4
80509124
n×5
100636405
n÷2
10063640.5
n÷3
6709093.6666667
n÷3
5031820.25
n÷5
4025456.2
n2
405107440452961
n3
8.1537112891875E+21
n4
1.6411203831035E+29
n5
3.3031291105552E+36
2 √n
4486.3438343489
3 √n
272.01636741906
4 √n
66.980174935191
5 √n
28.890630641322
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
-20127280
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 20127281 can be divided by 4 positive divisors.
The sum of these divisors (counting 20127281) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001111000110001
3
Ternary
1101212120102212
4
Quaternary
1030301320301
5
Quinary
20123033111
6
Senary
1555221505
8
Octal
114617061
10
Decimal
20127281
12
Duodecimal
68a7895
16
Hexadecimal
1331e31
20
Vigesimal
65fi41
36
Base36
bzeb5
md5
e103b2d87c9fd5f4cf8158a1512ebcf7
sha1
7efc19ab3e51a13b99e31249ea763e423675fcc7
sha256
7b6c63eb13d1cd691a8ea4735958a2dc805b23c248d980e6eb7dd580bab19677
sha512
1c9db08638ccaca5b67e2f02dbb16d7b63325b778317f0f397801953de59af3e291e89b0ed4b8446c0cf8456a3b8b53f3fe84cb61274e3c31063282ada6014b8
ripemd-160
4d376e1a9cf5a581a23d1adf65092fa9d54d4549
Diameter
40254562
Circumference
126463436.25267
Area
1.2726825588416E+15
Volume
3.4154185980805E+22
Surface area
5.0907302353663E+15
Circumference
126463436.25267
Perimeter
80509124
Area
405107440452961
Diagonal
28464273.763894
Surface area
2430644642717766
Volume
8.1537112891875E+21
Space diagonal
34861473.310216
Perimeter
60381843
Area
1.7541666734718E+14
Altitude
17430736.655108
Surface area
1.7541666734718E+14
Volume
9.6092409073697E+20
Height
9488091.2546314