20681168 is an even 8-digits composite number following 20681167
and preceding 20681169 . In scientific notation, it is written as 2.0681168 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 10322400 positive integers (up to 20681168) that are relatively prime to 20681168.
20681168 has 20 divisors, whose sum is 40140288
The reverse of 20681168 is 86118602
Previous prime number is 1123
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred eighty-one thousand one hundred sixty-eight
Scientific notation
2.0681168 × 10^7
Engineering notation
2.0681168 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1123 × 1151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2585146
Product of the distinct prime numbers
The prime factorization of 20681168 is 2 × 2 × 2 × 2 × 1123 × 1151.
Since it has a total of 6 prime factors.
9 , 6 , 25 , 61 , 532 , 436 , 8377 , 6189 , 78249 , 45569 , 902461 , 520025 , 8012675 , 7287213 , 7936005 , 85767430 , 304643896 , 543942858 , 622705546 , 5274968471
n×2
41362336
n×3
62043504
n×4
82724672
n×5
103405840
n÷2
10340584
n÷3
6893722.6666667
n÷3
5170292
n÷5
4136233.6
n2
427710709844224
n3
8.8455570456877E+21
n4
1.8293645131545E+29
n5
3.7833394829786E+36
2 √n
4547.6552200007
3 √n
274.48904792939
4 √n
67.43630491064
5 √n
29.047918172712
1 , 2 , 4 , 8 , 16 , 1123 , 1151 , 2246 , 2302 , 4492 , 4604 , 8984 , 9208 , 17968 , 18416 , 1292573 , 2585146 , 5170292 , 10340584 , 20681168
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
-20681167
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 20681168 can be divided by 20 positive divisors.
The sum of these divisors (counting 20681168) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110111001000111010000
3
Ternary
1102220201020012
4
Quaternary
1032321013100
5
Quinary
20243244133
6
Senary
2015134052
8
Octal
116710720
10
Decimal
20681168
12
Duodecimal
6b14328
16
Hexadecimal
13b91d0
20
Vigesimal
6952i8
36
Base36
cb9ow
md5
1aaa91ff984fc8228e4a2913c822ca32
sha1
d46c79562cec386f5a0c0aa7a17f2b988fa3831b
sha256
a2300cb51804cfe9fe9084db604ba1f305123a4b8d3dec72aee9844683f287fe
sha512
a61339ad9dec06342bee5b7634c9fbb28e805136c4c5ff51f87b0e32d33ccccd43eb173a6c0bcd1f6a83d323075a54f0d27dca41493f696ef53c3f92d3c09d93
ripemd-160
28d9b784ff5e1bdba296cfa3db0b8b29101dae8c
Diameter
41362336
Circumference
129943610.91291
Area
1.3436928239083E+15
Volume
3.7052182708856E+22
Surface area
5.3747712956332E+15
Circumference
129943610.91291
Perimeter
82724672
Area
427710709844224
Diagonal
29247588.271316
Surface area
2566264259065344
Volume
8.8455570456877E+21
Space diagonal
35820833.735868
Perimeter
62043504
Area
1.8520417009789E+14
Altitude
17910416.867934
Surface area
1.8520417009789E+14
Volume
1.042458895063E+21
Height
9749196.0904388