20512642 is an even 8-digits composite number following 20512641
and preceding 20512643 . In scientific notation, it is written as 2.0512642 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors.
There are 9227328 positive integers (up to 20512642) that are relatively prime to 20512642.
20512642 has 24 divisors, whose sum is 34128576
The reverse of 20512642 is 24621502
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million five hundred twelve thousand six hundred forty-two
Scientific notation
2.0512642 × 10^7
Engineering notation
2.0512642 × 10^6
Prime Factorization
2 × 23 × 17 × 17 × 1543
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1206626
Product of the distinct prime numbers
The prime factorization of 20512642 is 2 × 23 × 17 × 17 × 1543.
Since it has a total of 5 prime factors.
4 , 6 , 66 , 29 , 358 , 848 , 3118 , 5386 , 50362 , 73482 , 693017 , 514945 , 3638633 , 1079356 , 20816498 , 19617893 , 468075659 , 741058612 , 6020458415 , 7313257068
n×2
41025284
n×3
61537926
n×4
82050568
n×5
102563210
n÷2
10256321
n÷3
6837547.3333333
n÷3
5128160.5
n÷5
4102528.4
n2
420768481820164
n3
8.6310732324605E+21
n4
1.7704611529325E+29
n5
3.6316835805011E+36
2 √n
4529.0884292537
3 √n
273.74143117261
4 √n
67.298502429502
5 √n
29.00042216786
1 , 2 , 17 , 23 , 34 , 46 , 289 , 391 , 578 , 782 , 1543 , 3086 , 6647 , 13294 , 26231 , 35489 , 52462 , 70978 , 445927 , 603313 , 891854 , 1206626 , 10256321 , 20512642
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
-20512641
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 20512642 can be divided by 24 positive divisors.
The sum of these divisors (counting 20512642) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110001111111110000010
3
Ternary
1102121011001111
4
Quaternary
1032033332002
5
Quinary
20222401032
6
Senary
2011353534
8
Octal
116177602
10
Decimal
20512642
12
Duodecimal
6a528aa
16
Hexadecimal
138ff82
20
Vigesimal
6841c2
36
Base36
c7nnm
md5
af5d27572bc1c2dda6150a978780cd9b
sha1
0a4c4edefe3bee470964f3375a61085fad77d079
sha256
5a2e2ea1887a5f5fba8864e6af775228f76e6bfd2dbee80ef6b6509ac7c6c859
sha512
1f8b37228075e1a90b550b7cc06f0850d8791d79629295eeb3e291c90195601db25493131923fc6044e33d2c0e7007d5170fc79a6337d4ca53435f72e71462d6
ripemd-160
c33cf26b684f833e6aac98a4387f429705e84504
Diameter
41025284
Circumference
128884730.82583
Area
1.3218831713484E+15
Volume
3.6153755012925E+22
Surface area
5.2875326853934E+15
Circumference
128884730.82583
Perimeter
82050568
Area
420768481820164
Diagonal
29009256.516504
Surface area
2524610890920984
Volume
8.6310732324605E+21
Space diagonal
35528938.141471
Perimeter
61537926
Area
1.8219809718404E+14
Altitude
17764469.070736
Surface area
1.8219809718404E+14
Volume
1.0171817352651E+21
Height
9669752.172168