20512142 is an even 8-digits composite number following 20512141
and preceding 20512143 . In scientific notation, it is written as 2.0512142 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 32 positive divisors.
There are 8424000 positive integers (up to 20512142) that are relatively prime to 20512142.
20512142 has 32 divisors, whose sum is 36655104
The reverse of 20512142 is 24121502
Previous prime number is 313
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million five hundred twelve thousand one hundred forty-two
Scientific notation
2.0512142 × 10^7
Engineering notation
2.0512142 × 10^6
Prime Factorization
2 × 7 × 31 × 313 × 151
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20512142
Product of the distinct prime numbers
The prime factorization of 20512142 is 2 × 7 × 31 × 313 × 151.
Since it has a total of 5 prime factors.
7 , 8 , 61 , 65 , 682 , 651 , 1103 , 1480 , 71125 , 2587 , 502255 , 630588 , 7671819 , 6734099 , 2564168 , 72453096 , 390606721 , 641476093 , 9192419869 , 1158231018
n×2
41024284
n×3
61536426
n×4
82048568
n×5
102560710
n÷2
10256071
n÷3
6837380.6666667
n÷3
5128035.5
n÷5
4102428.4
n2
420747969428164
n3
8.6304420951222E+21
n4
1.7702885377792E+29
n5
3.63124098679E+36
2 √n
4529.0332301718
3 √n
273.73920698605
4 √n
67.298092321936
5 √n
29.000280788193
1 , 2 , 7 , 14 , 31 , 62 , 151 , 217 , 302 , 313 , 434 , 626 , 1057 , 2114 , 2191 , 4382 , 4681 , 9362 , 9703 , 19406 , 32767 , 47263 , 65534 , 67921 , 94526 , 135842 , 330841 , 661682 , 1465153 , 2930306 , 10256071 , 20512142
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20512141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20512142 can be divided by 32 positive divisors.
The sum of these divisors (counting 20512142) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110001111110110001110
3
Ternary
1102121010100222
4
Quaternary
1032033312032
5
Quinary
20222342032
6
Senary
2011351342
8
Octal
116176616
10
Decimal
20512142
12
Duodecimal
6a52552
16
Hexadecimal
138fd8e
20
Vigesimal
684072
36
Base36
c7n9q
md5
262d2c4704a521d52a72b1f611b6f8c1
sha1
71e5f6a10389872ba70ed0f1553b4240b7ba100a
sha256
8ff21f1c7a86ff95278f97b97c6337a23239a892c0aa9b23115e73cece281fd5
sha512
c785e671a1abe24f3b068f1392f89398b90f89a9ed6257c1fd4d56c3a01628d0bf79024eef5258992fc67adcac46b73799413db90e6fce4f966d40372615860f
ripemd-160
37a1176c466f4d2bcdd33d8a4f30e6588f7407ce
Diameter
41024284
Circumference
128881589.23318
Area
1.3218187297683E+15
Volume
3.6151111311024E+22
Surface area
5.2872749190734E+15
Circumference
128881589.23318
Perimeter
82048568
Area
420747969428164
Diagonal
29008549.409723
Surface area
2524487816568984
Volume
8.6304420951222E+21
Space diagonal
35528072.116067
Perimeter
61536426
Area
1.8218921505775E+14
Altitude
17764036.058034
Surface area
1.8218921505775E+14
Volume
1.0171073550165E+21
Height
9669516.4699076