20806738 is an even 8-digits composite number following 20806737
and preceding 20806739 . In scientific notation, it is written as 2.0806738 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 10327296 positive integers (up to 20806738) that are relatively prime to 20806738.
20806738 has 8 divisors, whose sum is 31438332
The reverse of 20806738 is 83760802
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eight hundred six thousand seven hundred thirty-eight
Scientific notation
2.0806738 × 10^7
Engineering notation
2.0806738 × 10^6
Prime Factorization
2 × 137 × 75937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20806738
Product of the distinct prime numbers
The prime factorization of 20806738 is 2 × 137 × 75937.
Since it has a total of 3 prime factors.
6 , 10 , 40 , 88 , 413 , 785 , 2773 , 4668 , 17664 , 58298 , 412481 , 339170 , 8365082 , 4740575 , 14099546 , 92586294 , 139066006 , 970025702 , 3350996341 , 5278110287
n×2
41613476
n×3
62420214
n×4
83226952
n×5
104033690
n÷2
10403369
n÷3
6935579.3333333
n÷3
5201684.5
n÷5
4161347.6
n2
432920346200644
n3
9.0076602182661E+21
n4
1.8742002615449E+29
n5
3.8995993801495E+36
2 √n
4561.4403426988
3 √n
275.04346640759
4 √n
67.538436039775
5 √n
29.083106905627
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20806737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20806738 can be divided by 8 positive divisors.
The sum of these divisors (counting 20806738) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010111110001010010
3
Ternary
1110011002110221
4
Quaternary
1033113301102
5
Quinary
20311303423
6
Senary
2021543254
8
Octal
117276122
10
Decimal
20806738
12
Duodecimal
6b74b2a
16
Hexadecimal
13d7c52
20
Vigesimal
6a0ggi
36
Base36
cdyky
md5
c86fe25e7b474f2fa8fc9f37262d754c
sha1
a3637cf6058b24b6b691a31a02ca86a1e6cb70cf
sha256
9671cae67f10d52285243511bba83a198b0069b2e90c848b6cd76737dd89c942
sha512
de22cdebf06b24f8f375ce9be818e4ba7f089daa34cd8e6b6ae7f60a564b7d0d4c733a0da273627d14668a922ab6207d6f7f4250c900e612444be0b485687094
ripemd-160
969f256601108673da4279463a33a1765c2bf3c8
Diameter
41613476
Circumference
130732590.49194
Area
1.3600593792135E+15
Volume
3.7731198890317E+22
Surface area
5.440237516854E+15
Circumference
130732590.49194
Perimeter
83226952
Area
432920346200644
Diagonal
29425171.068344
Surface area
2597522077203864
Volume
9.0076602182661E+21
Space diagonal
36038327.355774
Perimeter
62420214
Area
1.8746000881246E+14
Altitude
18019163.677887
Surface area
1.8746000881246E+14
Volume
1.06156293716E+21
Height
9808390.3561145