20515142 is an even 8-digits composite number following 20515141
and preceding 20515143 . In scientific notation, it is written as 2.0515142 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 10251000 positive integers (up to 20515142) that are relatively prime to 20515142.
20515142 has 8 divisors, whose sum is 30792432
The reverse of 20515142 is 24151502
Previous prime number is 2551
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million five hundred fifteen thousand one hundred forty-two
Scientific notation
2.0515142 × 10^7
Engineering notation
2.0515142 × 10^6
Prime Factorization
2 × 2551 × 4021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20515142
Product of the distinct prime numbers
The prime factorization of 20515142 is 2 × 2551 × 4021.
Since it has a total of 3 prime factors.
1 , 10 , 32 , 72 , 982 , 982 , 3442 , 6238 , 82084 , 6326 , 388830 , 245669 , 4907930 , 6137560 , 87069666 , 68755434 , 587033519 , 510909952 , 9405874993 , 7951498785
n×2
41030284
n×3
61545426
n×4
82060568
n×5
102575710
n÷2
10257571
n÷3
6838380.6666667
n÷3
5128785.5
n÷5
4103028.4
n2
420871051280164
n3
8.6342293807018E+21
n4
1.7713244180567E+29
n5
3.6338971964501E+36
2 √n
4529.364414573
3 √n
273.75255156327
4 √n
67.300552854884
5 √n
29.001129024844
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20515141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20515142 can be divided by 8 positive divisors.
The sum of these divisors (counting 20515142) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010000100101000110
3
Ternary
1102121021111002
4
Quaternary
1032100211012
5
Quinary
20222441032
6
Senary
2011413302
8
Octal
116204506
10
Decimal
20515142
12
Duodecimal
6a54232
16
Hexadecimal
1390946
20
Vigesimal
6847h2
36
Base36
c7pl2
md5
3f09f9d2b1de2b69e774f48b60ea3a46
sha1
08e8402d6cefaa1ab7077ce0c5c2bdf0f94b8699
sha256
0ccd7cc55b7579b4f03b2935cf4f98f0ab0f055de2359bbc449422f7a04206f1
sha512
b5f123f6ac2bc43860af61fd20b963833ffb0f2f6cb2fd2540e86a08d923730645a4d83ca89797b90198ae9c21adc0bf66d030825e762ba28afea08e84860a2e
ripemd-160
1215e6722bf3bfcefd11210a230f1d50b215e487
Diameter
41030284
Circumference
128900438.7891
Area
1.3222054028104E+15
Volume
3.6166975455763E+22
Surface area
5.2888216112415E+15
Circumference
128900438.7891
Perimeter
82060568
Area
420871051280164
Diagonal
29012792.05041
Surface area
2525226307680984
Volume
8.6342293807018E+21
Space diagonal
35533268.26849
Perimeter
61545426
Area
1.8224251106304E+14
Altitude
17766634.134245
Surface area
1.8224251106304E+14
Volume
1.0175536909024E+21
Height
9670930.68347