20689738 is an even 8-digits composite number following 20689737
and preceding 20689739 . In scientific notation, it is written as 2.0689738 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 10344868 positive integers (up to 20689738) that are relatively prime to 20689738.
20689738 has 4 divisors, whose sum is 31034610
The reverse of 20689738 is 83798602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million six hundred eighty-nine thousand seven hundred thirty-eight
Scientific notation
2.0689738 × 10^7
Engineering notation
2.0689738 × 10^6
Prime Factorization
2 × 10344869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20689738
Product of the distinct prime numbers
The prime factorization of 20689738 is 2 × 10344869.
Since it has a total of 2 prime factors.
5 , 8 , 15 , 81 , 350 , 379 , 5334 , 6978 , 13495 , 83751 , 967541 , 446407 , 8751277 , 6173089 , 60674124 , 70431561 , 713549991 , 960346218 , 7659412783 , 7545628854
n×2
41379476
n×3
62069214
n×4
82758952
n×5
103448690
n÷2
10344869
n÷3
6896579.3333333
n÷3
5172434.5
n÷5
4137947.6
n2
428065258508644
n3
8.8565580454461E+21
n4
1.8323986554207E+29
n5
3.7911848092207E+36
2 √n
4548.5973662218
3 √n
274.52695755946
4 √n
67.443290001466
5 √n
29.050325187692
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
-20689737
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 20689738 can be divided by 4 positive divisors.
The sum of these divisors (counting 20689738) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111011001101001010
3
Ternary
1102221010222121
4
Quaternary
1032323031022
5
Quinary
20244032423
6
Senary
2015241454
8
Octal
116731512
10
Decimal
20689738
12
Duodecimal
6b1928a
16
Hexadecimal
13bb34a
20
Vigesimal
69646i
36
Base36
cbgay
md5
877dd0f01738031a885ad8536828ca81
sha1
a60744e6715dab19bae4693b98d5185962123b97
sha256
95645aadcb051c4b3087601b7454ef165157a3ecba7f5fc20e2df7081135ce00
sha512
c5d57c874d0dba3cc5ef2b8687ff9c0540b95e2cf29ace56425e8df969ca42dad32e394d835d7e663a5b05eeb2f6bb336515f0421e53a22d2e5830dbfbb7d155
ripemd-160
bc600741769edd7c1ab09649a9e00ad55179e1ea
Diameter
41379476
Circumference
129997457.811
Area
1.3448066713878E+15
Volume
3.7098263588887E+22
Surface area
5.3792266855511E+15
Circumference
129997457.811
Perimeter
82758952
Area
428065258508644
Diagonal
29259708.081546
Surface area
2568391551051864
Volume
8.8565580454461E+21
Space diagonal
35835677.411288
Perimeter
62069214
Area
1.8535769417302E+14
Altitude
17917838.705644
Surface area
1.8535769417302E+14
Volume
1.0437553753179E+21
Height
9753236.027182