20512644 is an even 8-digits composite number following 20512643
and preceding 20512645 . In scientific notation, it is written as 2.0512644 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 6837544 positive integers (up to 20512644) that are relatively prime to 20512644.
20512644 has 12 divisors, whose sum is 47862864
The reverse of 20512644 is 44621502
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million five hundred twelve thousand six hundred forty-four
Scientific notation
2.0512644 × 10^7
Engineering notation
2.0512644 × 10^6
Prime Factorization
2 × 2 × 3 × 1709387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10256322
Product of the distinct prime numbers
The prime factorization of 20512644 is 2 × 2 × 3 × 1709387.
Since it has a total of 4 prime factors.
1 , 10 , 76 , 35 , 885 , 768 , 9825 , 1619 , 2895 , 52587 , 773083 , 539466 , 9290259 , 5788297 , 69798913 , 56305032 , 207048333 , 102151778 , 6455029812 , 1727248180
n×2
41025288
n×3
61537932
n×4
82050576
n×5
102563220
n÷2
10256322
n÷3
6837548
n÷3
5128161
n÷5
4102528.8
n2
420768563870736
n3
8.6310757570717E+21
n4
1.7704618434184E+29
n5
3.6316853509626E+36
2 √n
4529.0886500487
3 √n
273.74144006928
4 √n
67.298504069918
5 √n
29.000422733373
1 , 2 , 3 , 4 , 6 , 12 , 1709387 , 3418774 , 5128161 , 6837548 , 10256322 , 20512644
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20512643
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20512644 can be divided by 12 positive divisors.
The sum of these divisors (counting 20512644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110001111111110000100
3
Ternary
1102121011001120
4
Quaternary
1032033332010
5
Quinary
20222401034
6
Senary
2011353540
8
Octal
116177604
10
Decimal
20512644
12
Duodecimal
6a528b0
16
Hexadecimal
138ff84
20
Vigesimal
6841c4
36
Base36
c7nno
md5
7775c940163abf7480ab8cefd1ac660c
sha1
6fc60e79368e392e2f52a0aa35992550789dff82
sha256
27b1c78b8588b5a6ae4bf6e3b7d9e2e16c3cfdb3054bc545c03f2f6f833cf14e
sha512
65719f8f2e1525423c04dea69e60832b6f852c9bba4ce72317e1571519465f9c77892d4f3c124a40940509b7af98fabed4d7e7d9b3c4d39fd584089d55f47735
ripemd-160
b3c7404280ba67be3142e0219e7f7a04c0059a6b
Diameter
41025288
Circumference
128884743.39221
Area
1.3218834291178E+15
Volume
3.6153765587991E+22
Surface area
5.2875337164713E+15
Circumference
128884743.39221
Perimeter
82050576
Area
420768563870736
Diagonal
29009259.344931
Surface area
2524611383224416
Volume
8.6310757570717E+21
Space diagonal
35528941.605573
Perimeter
61537932
Area
1.8219813271298E+14
Altitude
17764470.802786
Surface area
1.8219813271298E+14
Volume
1.0171820327934E+21
Height
9669753.114977