20686739 is an odd 8-digits composite number following 20686738
and preceding 20686740 . In scientific notation, it is written as 2.0686739 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 19469856 positive integers (up to 20686739) that are relatively prime to 20686739.
20686739 has 4 divisors, whose sum is 21903624
The reverse of 20686739 is 93768602
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million six hundred eighty-six thousand seven hundred thirty-nine
Scientific notation
2.0686739 × 10^7
Engineering notation
2.0686739 × 10^6
Prime Factorization
17 × 1216867
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20686739
Product of the distinct prime numbers
The prime factorization of 20686739 is 17 × 1216867.
Since it has a total of 2 prime factors.
6 , 9 , 49 , 46 , 339 , 748 , 3061 , 7461 , 34687 , 77491 , 287565 , 508730 , 9353889 , 3046475 , 11605476 , 25778286 , 756968379 , 977339950 , 5300315809 , 447987673
n×2
41373478
n×3
62060217
n×4
82746956
n×5
103433695
n÷2
10343369.5
n÷3
6895579.6666667
n÷3
5171684.75
n÷5
4137347.8
n2
427941170454121
n3
8.8527073005389E+21
n4
1.8313364536964E+29
n5
3.7884379238804E+36
2 √n
4548.2676922099
3 √n
274.51369259161
4 √n
67.440845874068
5 √n
29.049482963619
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20686738
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20686739 can be divided by 4 positive divisors.
The sum of these divisors (counting 20686739) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111010011110010011
3
Ternary
1102220222212112
4
Quaternary
1032322132103
5
Quinary
20243433424
6
Senary
2015215535
8
Octal
116723623
10
Decimal
20686739
12
Duodecimal
6b175ab
16
Hexadecimal
13ba793
20
Vigesimal
695ggj
36
Base36
cbdzn
md5
4abe6633a3fc6c7a163aee1a44f80c34
sha1
4da37ff52e1767e665a53125c6000d455cab7e58
sha256
1d8b546d550138262e32033d4b16cab1847e80c3fab8cdaeadb73bd8048bca54
sha512
5694690695a4d8d7129b2c462207447b9329b166b78e3cbb96d10675b64f3dd0eaafa17e98f757d58226f51c0adb0c9d4758150e54a1042e43c442146d60422e
ripemd-160
18b6e1d7c91b8d4e9a38fee620f633818d6545f5
Diameter
41373478
Circumference
129978614.53826
Area
1.3444168372673E+15
Volume
3.7082133626338E+22
Surface area
5.3776673490691E+15
Circumference
129978614.53826
Perimeter
82746956
Area
427941170454121
Diagonal
29255466.855072
Surface area
2567647022724726
Volume
8.8527073005389E+21
Space diagonal
35830482.990917
Perimeter
62060217
Area
1.8530396246926E+14
Altitude
17915241.495458
Surface area
1.8530396246926E+14
Volume
1.0433015606785E+21
Height
9751822.2850241