20995938 is an even 8-digits composite number following 20995937
and preceding 20995939 . In scientific notation, it is written as 2.0995938 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 6998640 positive integers (up to 20995938) that are relatively prime to 20995938.
20995938 has 12 divisors, whose sum is 45491238
The reverse of 20995938 is 83959902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million nine hundred ninety-five thousand nine hundred thirty-eight
Scientific notation
2.0995938 × 10^7
Engineering notation
2.0995938 × 10^6
Prime Factorization
2 × 3 × 3 × 1166441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6998646
Product of the distinct prime numbers
The prime factorization of 20995938 is 2 × 3 × 3 × 1166441.
Since it has a total of 4 prime factors.
7 , 7 , 44 , 56 , 859 , 163 , 5299 , 981 , 97997 , 48147 , 11992 , 211576 , 6029951 , 1216641 , 42153436 , 82427975 , 209453332 , 573637241 , 6430177468 , 1541225053
n×2
41991876
n×3
62987814
n×4
83983752
n×5
104979690
n÷2
10497969
n÷3
6998646
n÷3
5248984.5
n÷5
4199187.6
n2
440829412499844
n3
9.2556270134232E+21
n4
1.9433057092496E+29
n5
4.080152618645E+36
2 √n
4582.1324729868
3 √n
275.87462799898
4 √n
67.691450516197
5 √n
29.135807315413
1 , 2 , 3 , 6 , 9 , 18 , 1166441 , 2332882 , 3499323 , 6998646 , 10497969 , 20995938
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20995937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20995938 can be divided by 12 positive divisors.
The sum of these divisors (counting 20995938) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000101111101100010
3
Ternary
1110111201000100
4
Quaternary
1100011331202
5
Quinary
20333332223
6
Senary
2030003230
8
Octal
120057542
10
Decimal
20995938
12
Duodecimal
7046516
16
Hexadecimal
1405f62
20
Vigesimal
6b49gi
36
Base36
ci0ki
md5
3cf6c8e24dd2d6e66738f2a41d636b22
sha1
c41c4360d8600f08e90422bfd94f063544b966e3
sha256
c7e9f19b76b2366971bb45c2de3ee14416678cc20e79f08dbd3a57939a328250
sha512
f2a598f9390198bd08bd71cfffcb6e7b9edd5540d904ad583330d163f08df0005edcdd06926a237071c85d48407915d9c85776e5af81c43d1fc050712b2ea9d1
ripemd-160
fc571396852b504a8814aef21d31b855452a0edb
Diameter
41991876
Circumference
131921369.15205
Area
1.3849064437958E+15
Volume
3.8769879772983E+22
Surface area
5.5396257751833E+15
Circumference
131921369.15205
Perimeter
83983752
Area
440829412499844
Diagonal
29692740.274345
Surface area
2644976474999064
Volume
9.2556270134232E+21
Space diagonal
36366031.368566
Perimeter
62987814
Area
1.9088473498012E+14
Altitude
18183015.684283
Surface area
1.9088473498012E+14
Volume
1.0907861042208E+21
Height
9897580.0914482