20356945 is an odd 8-digits composite number following 20356944
and preceding 20356946 . In scientific notation, it is written as 2.0356945 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 13749120 positive integers (up to 20356945) that are relatively prime to 20356945.
20356945 has 8 divisors, whose sum is 21253536
The reverse of 20356945 is 54965302
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million three hundred fifty-six thousand nine hundred forty-five
Scientific notation
2.0356945 × 10^7
Engineering notation
2.0356945 × 10^6
Prime Factorization
35 × 67 × 8681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20356945
Product of the distinct prime numbers
The prime factorization of 20356945 is 35 × 67 × 8681.
Since it has a total of 3 prime factors.
8 , 2 , 100 , 94 , 921 , 294 , 60 , 358 , 63472 , 31906 , 653439 , 122317 , 7257439 , 6122628 , 37525447 , 24126788 , 139952967 , 517185459 , 4676612495 , 2839762095
n×2
40713890
n×3
61070835
n×4
81427780
n×5
101784725
n÷2
10178472.5
n÷3
6785648.3333333
n÷3
5089236.25
n÷5
4071389
n2
414405209733025
n3
8.4360240622487E+21
n4
1.7173167785387E+29
n5
3.495932320829E+36
2 √n
4511.8671301358
3 √n
273.04707869716
4 √n
67.170433452047
5 √n
28.956263542019
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20356944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20356945 can be divided by 8 positive divisors.
The sum of these divisors (counting 20356945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101101001111101010001
3
Ternary
1102022020110221
4
Quaternary
1031221331101
5
Quinary
20202410240
6
Senary
2004153041
8
Octal
115517521
10
Decimal
20356945
12
Duodecimal
6998781
16
Hexadecimal
1369f51
20
Vigesimal
674c75
36
Base36
c4bip
md5
79e17f88ca41944f8958eb2c79c5a9d8
sha1
9c0ad677761a845833af2825a412cacde25c7983
sha256
8bd2768d6e3eb3dafa66b933de5e27371cd01b6d986676d8e82ac7564020e764
sha512
79e67cacc41a9bacadebb04ad20a006279abd4a0a61966845f7fd5bb6f68346291de8d6324ecf054a846c45642e89a7000c48b7d125bfb59d12006a6dd6a569b
ripemd-160
a6c59339cfa558b42f1d59cf4f8066845a21e5d7
Diameter
40713890
Circumference
127906457.72306
Area
1.3018923625066E+15
Volume
3.5336734959289E+22
Surface area
5.2075694500264E+15
Circumference
127906457.72306
Perimeter
81427780
Area
414405209733025
Diagonal
28789067.707483
Surface area
2486431258398150
Volume
8.4360240622487E+21
Space diagonal
35259263.026885
Perimeter
61070835
Area
1.7944271954471E+14
Altitude
17629631.513443
Surface area
1.7944271954471E+14
Volume
9.9419497011149E+20
Height
9596355.9024944