20161971 is an odd 8-digits composite number following 20161970
and preceding 20161972 . In scientific notation, it is written as 2.0161971 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13289760 positive integers (up to 20161971) that are relatively prime to 20161971.
20161971 has 8 divisors, whose sum is 22654800
The reverse of 20161971 is 17916102
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred sixty-one thousand nine hundred seventy-one
Scientific notation
2.0161971 × 10^7
Engineering notation
2.0161971 × 10^6
Prime Factorization
9 × 89 × 25171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20161971
Product of the distinct prime numbers
The prime factorization of 20161971 is 9 × 89 × 25171.
Since it has a total of 3 prime factors.
2 , 7 , 86 , 60 , 692 , 760 , 6990 , 7884 , 23265 , 24284 , 210637 , 787184 , 8143810 , 8598756 , 97602425 , 17730725 , 197744941 , 496942441 , 8579116230 , 7739956719
n×2
40323942
n×3
60485913
n×4
80647884
n×5
100809855
n÷2
10080985.5
n÷3
6720657
n÷3
5040492.75
n÷5
4032394.2
n2
406505074604841
n3
8.1959435255356E+21
n4
1.6524637567949E+29
n5
3.3316926343049E+36
2 √n
4490.2083470592
3 √n
272.17255396918
4 √n
67.009016908616
5 √n
28.90058256429
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
-20161970
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 20161971 can be divided by 8 positive divisors.
The sum of these divisors (counting 20161971) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111010010110110011
3
Ternary
1101221100000200
4
Quaternary
1030322112303
5
Quinary
20130140341
6
Senary
2000050243
8
Octal
114722663
10
Decimal
20161971
12
Duodecimal
6903983
16
Hexadecimal
133a5b3
20
Vigesimal
6604ib
36
Base36
c052r
md5
9268aa92c34329df7ca00fcf1e42a166
sha1
209802a976c1f2a5def866dd9e60529d0ae0150f
sha256
03650b68488d85285cb7b0be77034f6cf78f27caed9518e4047a487f35bb5498
sha512
78bea7dae337112b2ce05905d8c3d3357da16ffea9f43ce6e9ddc105b312008e4ae51eb44d06425844db32c37ac04b789aa9c8b0af9d20bb1316ca48d860f0ba
ripemd-160
bc0db6155915ea821fea64d8e79de7eac6f1395f
Diameter
40323942
Circumference
126681399.95098
Area
1.2770733560255E+15
Volume
3.4331087958746E+22
Surface area
5.1082934241022E+15
Circumference
126681399.95098
Perimeter
80647884
Area
406505074604841
Diagonal
28513332.832373
Surface area
2439030447629046
Volume
8.1959435255356E+21
Space diagonal
34921558.15273
Perimeter
60485913
Area
1.7602186068754E+14
Altitude
17460779.076365
Surface area
1.7602186068754E+14
Volume
9.6590120752137E+20
Height
9504444.2774577