20512691 is an odd 8-digits prime number following 20512690
and preceding 20512692 . In scientific notation, it is written as 2.0512691 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 20512690 positive integers (up to 20512691) that are relatively prime to 20512691.
20512691 has 2 divisors, whose sum is 20512692
The reverse of 20512691 is 19621502
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million five hundred twelve thousand six hundred ninety-one
Scientific notation
2.0512691 × 10^7
Engineering notation
2.0512691 × 10^6
Prime Factorization
20512691
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20512691
Product of the distinct prime numbers
The prime factorization of 20512691 is 20512691.
Since it has a total of 1 prime factors.
2 , 10 , 64 , 75 , 558 , 711 , 1408 , 5046 , 63703 , 4243 , 258582 , 747521 , 8790773 , 3713664 , 16295671 , 81518422 , 577833442 , 229407495 , 5372812774 , 6384578627
n×2
41025382
n×3
61538073
n×4
82050764
n×5
102563455
n÷2
10256345.5
n÷3
6837563.6666667
n÷3
5128172.75
n÷5
4102538.2
n2
420770492061481
n3
8.6311350855751E+21
n4
1.7704780698966E+29
n5
3.6317269570066E+36
2 √n
4529.0938387276
3 √n
273.74164914095
4 √n
67.29854261964
5 √n
29.000436022919
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20512692
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10256346
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4529.0939491249
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999024994
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20512691 can be divided by 2 positive divisors.
The sum of these divisors (counting 20512691) is 20512692, the average is 10256346.
Base
System
Value
2
Binary
1001110001111111110110011
3
Ternary
1102121011010022
4
Quaternary
1032033332303
5
Quinary
20222401231
6
Senary
2011354055
8
Octal
116177663
10
Decimal
20512691
12
Duodecimal
6a5292b
16
Hexadecimal
138ffb3
20
Vigesimal
6841eb
36
Base36
c7noz
md5
38db1503f56a60138d74cd48436abd62
sha1
36b3c0ad4700b4403e4abce3bf0b0f2f481c5c64
sha256
5d8c4835b75e5202250dc9c934fe9a38816bab42a5b07215a0a68143ccf99722
sha512
dedcccea4eed7e3520a9bfb025926930c726e7b41bef031bab65533c225be2f4e2fd74330755ca6d3203ba0cfbacd0b622d3414f3f2e1b9d9abfbe945560d08a
ripemd-160
a56d29d3da80472b7703f1a971b2eed15cba8895
Diameter
41025382
Circumference
128885038.70191
Area
1.3218894867077E+15
Volume
3.6154014102645E+22
Surface area
5.2875579468308E+15
Circumference
128885038.70191
Perimeter
82050764
Area
420770492061481
Diagonal
29009325.812969
Surface area
2524622952368886
Volume
8.6311350855751E+21
Space diagonal
35529023.011961
Perimeter
61538073
Area
1.8219896764406E+14
Altitude
17764511.50598
Surface area
1.8219896764406E+14
Volume
1.0171890247245E+21
Height
9669775.2709895