20681623 is an odd 8-digits composite number following 20681622
and preceding 20681624 . In scientific notation, it is written as 2.0681623 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 19456800 positive integers (up to 20681623) that are relatively prime to 20681623.
20681623 has 4 divisors, whose sum is 20697768
The reverse of 20681623 is 32618602
Previous prime number is 1403
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million six hundred eighty-one thousand six hundred twenty-three
Scientific notation
2.0681623 × 10^7
Engineering notation
2.0681623 × 10^6
Prime Factorization
1403 × 14741
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20681623
Product of the distinct prime numbers
The prime factorization of 20681623 is 1403 × 14741.
Since it has a total of 2 prime factors.
6 , 5 , 66 , 53 , 217 , 1000 , 7854 , 7520 , 54445 , 68433 , 945101 , 924420 , 5552614 , 1672746 , 9546280 , 14749438 , 791446372 , 497832374 , 3906111628 , 8032749472
n×2
41363246
n×3
62044869
n×4
82726492
n×5
103408115
n÷2
10340811.5
n÷3
6893874.3333333
n÷3
5170405.75
n÷5
4136324.6
n2
427729529914129
n3
8.8461408836512E+21
n4
1.8295255076056E+29
n5
3.7837556817183E+36
2 √n
4547.7052455057
3 √n
274.49106089759
4 √n
67.436675818917
5 √n
29.048045986446
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
-20681622
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 20681623 can be divided by 4 positive divisors.
The sum of these divisors (counting 20681623) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111001001110010111
3
Ternary
1102220201212001
4
Quaternary
1032321032113
5
Quinary
20243302443
6
Senary
2015140131
8
Octal
116711627
10
Decimal
20681623
12
Duodecimal
6b14647
16
Hexadecimal
13b9397
20
Vigesimal
695413
36
Base36
cba1j
md5
f7263b0913575ff1e0ec874482d1769f
sha1
87e54ad74cc41f58ab267c833ab1895bcb0f2b5d
sha256
f30a49d594a6e5ce9106e5f16de245d636739861ef8343a531cdc918d398a790
sha512
609a55f928b7ec3f2e8832f35770c987a058333f59594b57acfb530a10d85a6118fae25a744ae666ae4cb6dfe8943856801819829dcdafc56f2fc8133610a611
ripemd-160
24dc28d8777a1046e9a9bf667f7c4ee8f897e0d7
Diameter
41363246
Circumference
129946469.76223
Area
1.3437519489016E+15
Volume
3.7054628283599E+22
Surface area
5.3750077956066E+15
Circumference
129946469.76223
Perimeter
82726492
Area
427729529914129
Diagonal
29248231.738487
Surface area
2566377179484774
Volume
8.8461408836512E+21
Space diagonal
35821621.818985
Perimeter
62044869
Area
1.8521231942721E+14
Altitude
17910810.909493
Surface area
1.8521231942721E+14
Volume
1.0425277010269E+21
Height
9749410.5794958