20689744 is an even 8-digits composite number following 20689743
and preceding 20689745 . In scientific notation, it is written as 2.0689744 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 20 positive divisors.
There are 10326528 positive integers (up to 20689744) that are relatively prime to 20689744.
20689744 has 20 divisors, whose sum is 40157524
The reverse of 20689744 is 44798602
Previous prime number is 1297
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million six hundred eighty-nine thousand seven hundred forty-four
Scientific notation
2.0689744 × 10^7
Engineering notation
2.0689744 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1297 × 997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2586218
Product of the distinct prime numbers
The prime factorization of 20689744 is 2 × 2 × 2 × 2 × 1297 × 997.
Since it has a total of 6 prime factors.
9 , 7 , 6 , 48 , 844 , 263 , 198 , 6768 , 14776 , 18457 , 836097 , 582783 , 6077844 , 2739847 , 66517487 , 71746697 , 953404374 , 79337473 , 4590727485 , 9904056303
n×2
41379488
n×3
62069232
n×4
82758976
n×5
103448720
n÷2
10344872
n÷3
6896581.3333333
n÷3
5172436
n÷5
4137948.8
n2
428065506785536
n3
8.856565750623E+21
n4
1.8324007809956E+29
n5
3.7911903064199E+36
2 √n
4548.5980257657
3 √n
274.52698409696
4 √n
67.443294891084
5 √n
29.050326872604
1 , 2 , 4 , 8 , 16 , 997 , 1297 , 1994 , 2594 , 3988 , 5188 , 7976 , 10376 , 15952 , 20752 , 1293109 , 2586218 , 5172436 , 10344872 , 20689744
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20689743
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20689744 can be divided by 20 positive divisors.
The sum of these divisors (counting 20689744) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110111011001101010000
3
Ternary
1102221010222211
4
Quaternary
1032323031100
5
Quinary
20244032434
6
Senary
2015241504
8
Octal
116731520
10
Decimal
20689744
12
Duodecimal
6b19294
16
Hexadecimal
13bb350
20
Vigesimal
696474
36
Base36
cbgb4
md5
8e61f19a058e6cc898c4cb6e9ec0e8c2
sha1
818e584133280ee810e006ef677557d9e93cd280
sha256
30cdeab4b5383502c6bbd79fc6f694c05f801cde8482af7119188b26c8d2af6b
sha512
24a6a115d53cd0b7a97ea903432066802db7d7fd4ee874e41843414c0120bbbde99f15b87d5e53f6b5c6b29f6dc0f25e816a45384be963e59e967c07281fb1f3
ripemd-160
762a314248bcbcab640f5c0879e5f9969f840854
Diameter
41379488
Circumference
129997495.51011
Area
1.3448074513726E+15
Volume
3.7098295864256E+22
Surface area
5.3792298054905E+15
Circumference
129997495.51011
Perimeter
82758976
Area
428065506785536
Diagonal
29259716.566827
Surface area
2568393040713216
Volume
8.856565750623E+21
Space diagonal
35835687.803593
Perimeter
62069232
Area
1.8535780168007E+14
Altitude
17917843.901797
Surface area
1.8535780168007E+14
Volume
1.0437562833817E+21
Height
9753238.8556091