20691866 is an even 8-digits composite number following 20691865
and preceding 20691867 . In scientific notation, it is written as 2.0691866 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 9528624 positive integers (up to 20691866) that are relatively prime to 20691866.
20691866 has 16 divisors, whose sum is 33500544
The reverse of 20691866 is 66819602
Previous prime number is 823
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred ninety-one thousand eight hundred sixty-six
Scientific notation
2.0691866 × 10^7
Engineering notation
2.0691866 × 10^6
Prime Factorization
2 × 13 × 823 × 967
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20691866
Product of the distinct prime numbers
The prime factorization of 20691866 is 2 × 13 × 823 × 967.
Since it has a total of 4 prime factors.
9 , 7 , 43 , 22 , 345 , 200 , 4906 , 9021 , 11072 , 75644 , 584886 , 745100 , 4244562 , 5887563 , 35963418 , 64656058 , 836386662 , 24858961 , 5654827692 , 4060732547
n×2
41383732
n×3
62075598
n×4
82767464
n×5
103459330
n÷2
10345933
n÷3
6897288.6666667
n÷3
5172966.5
n÷5
4138373.2
n2
428153318561956
n3
8.8592910951393E+21
n4
1.8331526419562E+29
n5
3.7931348824903E+36
2 √n
4548.8312784714
3 √n
274.53636920334
4 √n
67.445024119437
5 √n
29.050922745272
1 , 2 , 13 , 26 , 823 , 967 , 1646 , 1934 , 10699 , 12571 , 21398 , 25142 , 795841 , 1591682 , 10345933 , 20691866
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20691865
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20691866 can be divided by 16 positive divisors.
The sum of these divisors (counting 20691866) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111011101110011010
3
Ternary
1102221020220102
4
Quaternary
1032323232122
5
Quinary
20244114431
6
Senary
2015255402
8
Octal
116735632
10
Decimal
20691866
12
Duodecimal
6b1a562
16
Hexadecimal
13bbb9a
20
Vigesimal
6969d6
36
Base36
cbhy2
md5
bc9b284616f4d199c2eb9bfb31f217f9
sha1
ff79008c4c498087a4039fa0e9df24276c8179b9
sha256
d5aabeafd621cf51a508214d7e37db1b5f1dce50f3e6f7920cf0aead1bba9fa2
sha512
b2b6b56c210d1e34464d5bb217d12c4ec475eacd759594b79f6e7e9e111af5ce9a2f3e36bd580f94c6a24a4e8be9953fede880d05435adda92fbd467479ae7c2
ripemd-160
b63efd7505279f70db2744ef8611bc2a6562db58
Diameter
41383732
Circumference
130010828.42933
Area
1.3450833202043E+15
Volume
3.7109711760671E+22
Surface area
5.3803332808173E+15
Circumference
130010828.42933
Perimeter
82767464
Area
428153318561956
Diagonal
29262717.528007
Surface area
2568919911371736
Volume
8.8592910951393E+21
Space diagonal
35839363.215407
Perimeter
62075598
Area
1.8539582529463E+14
Altitude
17919681.607703
Surface area
1.8539582529463E+14
Volume
1.0440774683131E+21
Height
9754239.1760022