20689218 is an even 8-digits composite number following 20689217
and preceding 20689219 . In scientific notation, it is written as 2.0689218 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6269400 positive integers (up to 20689218) that are relatively prime to 20689218.
20689218 has 16 divisors, whose sum is 37617120
The reverse of 20689218 is 81298602
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-nine thousand two hundred eighteen
Scientific notation
2.0689218 × 10^7
Engineering notation
2.0689218 × 10^6
Prime Factorization
2 × 9 × 11 × 104491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20689218
Product of the distinct prime numbers
The prime factorization of 20689218 is 2 × 9 × 11 × 104491.
Since it has a total of 4 prime factors.
5 , 9 , 10 , 31 , 62 , 826 , 9443 , 6775 , 26475 , 80248 , 575033 , 836154 , 9224414 , 6976068 , 62385922 , 23322277 , 188877754 , 908046976 , 1866402134 , 6402343212
n×2
41378436
n×3
62067654
n×4
82756872
n×5
103446090
n÷2
10344609
n÷3
6896406
n÷3
5172304.5
n÷5
4137843.6
n2
428043741451524
n3
8.8558902804262E+21
n4
1.8322144459582E+29
n5
3.7907084095178E+36
2 √n
4548.5402053846
3 √n
274.52465762356
4 √n
67.442866230496
5 √n
29.050179160508
1 , 2 , 9 , 11 , 18 , 22 , 99 , 198 , 104491 , 208982 , 940419 , 1149401 , 1880838 , 2298802 , 10344609 , 20689218
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
-20689217
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 20689218 can be divided by 16 positive divisors.
The sum of these divisors (counting 20689218) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111011000101000010
3
Ternary
1102221010021100
4
Quaternary
1032323011002
5
Quinary
20244023333
6
Senary
2015235230
8
Octal
116730502
10
Decimal
20689218
12
Duodecimal
6b18b16
16
Hexadecimal
13bb142
20
Vigesimal
69630i
36
Base36
cbfwi
md5
208c545dd7a880aa4f317d194a97a743
sha1
6e566134ee472750af935131f7bad7c379edb8ba
sha256
a1c62bc16f20185885391bfe3c27e8051407e546594397da5e1e88b9ac76de9f
sha512
c4724bf58e159c07619ec73e62620e331075cad87a0b816b417ba316bd3dcd6f51032d9a5525340565ff3fb9d48e580838ea9e7f570f7ee0070a1dc5e26d4124
ripemd-160
793f9118bb817e42941f25b2d21b7346ff62f280
Diameter
41378436
Circumference
129994190.55464
Area
1.3447390735592E+15
Volume
3.7095466461312E+22
Surface area
5.3789562942368E+15
Circumference
129994190.55464
Perimeter
82756872
Area
428043741451524
Diagonal
29258972.690494
Surface area
2568262448709144
Volume
8.8558902804262E+21
Space diagonal
35834776.744869
Perimeter
62067654
Area
1.8534837701398E+14
Altitude
17917388.372434
Surface area
1.8534837701398E+14
Volume
1.0436766784556E+21
Height
9752990.8968312