20197971 is an odd 8-digits composite number following 20197970
and preceding 20197972 . In scientific notation, it is written as 2.0197971 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 13387680 positive integers (up to 20197971) that are relatively prime to 20197971.
20197971 has 16 divisors, whose sum is 30095520
The reverse of 20197971 is 17979102
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred ninety-seven thousand nine hundred seventy-one
Scientific notation
2.0197971 × 10^7
Engineering notation
2.0197971 × 10^6
Prime Factorization
3 × 3 × 3 × 181 × 4133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2244219
Product of the distinct prime numbers
The prime factorization of 20197971 is 3 × 3 × 3 × 181 × 4133.
Since it has a total of 5 prime factors.
5 , 5 , 69 , 36 , 312 , 800 , 9391 , 3088 , 99920 , 49696 , 179140 , 128985 , 3032147 , 4807217 , 63006517 , 47949346 , 207659770 , 1748265 , 2351571474 , 1203587701
n×2
40395942
n×3
60593913
n×4
80791884
n×5
100989855
n÷2
10098985.5
n÷3
6732657
n÷3
5049492.75
n÷5
4039594.2
n2
407958032516841
n3
8.2399245099922E+21
n4
1.6642975629501E+29
n5
3.3615433911837E+36
2 √n
4494.2152818929
3 √n
272.33444928556
4 √n
67.038908716453
5 √n
28.910895828625
1 , 3 , 9 , 27 , 181 , 543 , 1629 , 4133 , 4887 , 12399 , 37197 , 111591 , 748073 , 2244219 , 6732657 , 20197971
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
-20197970
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 20197971 can be divided by 16 positive divisors.
The sum of these divisors (counting 20197971) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000011001001010011
3
Ternary
1102000011102000
4
Quaternary
1031003021103
5
Quinary
20132313341
6
Senary
2000525043
8
Octal
115031123
10
Decimal
20197971
12
Duodecimal
6920783
16
Hexadecimal
1343253
20
Vigesimal
664eib
36
Base36
c0wur
md5
c0b2db29418fc072988abe3ab0a8670f
sha1
2331128a34d823d94ec27849370d29ae8bfea92a
sha256
d067a8534b90eb32fc165ab8d88ea505c6c1ca7b0ec18be2c49813633b3ba9f4
sha512
ee70664ca1f1706cb0aa630dce1e35d9533abb46c7b0952e5e1d0556fa6315efb46129010bc8f629b4024972033a6762a1e8fbf6cbe0d2c08da088973f3f8927
ripemd-160
eb7ee19ff7dffa08f158e5439c5340e068b70d27
Diameter
40395942
Circumference
126907594.62204
Area
1.2816379579279E+15
Volume
3.4515315075635E+22
Surface area
5.1265518317114E+15
Circumference
126907594.62204
Perimeter
80791884
Area
407958032516841
Diagonal
28564244.520618
Surface area
2447748195101046
Volume
8.2399245099922E+21
Space diagonal
34983911.981803
Perimeter
60593913
Area
1.7665100991875E+14
Altitude
17491955.990901
Surface area
1.7665100991875E+14
Volume
9.7108441624679E+20
Height
9521414.8402062