20161949 is an odd 8-digits composite number following 20161948
and preceding 20161950 . In scientific notation, it is written as 2.0161949 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 18975936 positive integers (up to 20161949) that are relatively prime to 20161949.
20161949 has 4 divisors, whose sum is 21347964
The reverse of 20161949 is 94916102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred sixty-one thousand nine hundred forty-nine
Scientific notation
2.0161949 × 10^7
Engineering notation
2.0161949 × 10^6
Prime Factorization
17 × 1185997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20161949
Product of the distinct prime numbers
The prime factorization of 20161949 is 17 × 1185997.
Since it has a total of 2 prime factors.
6 , 4 , 67 , 49 , 118 , 701 , 9273 , 2408 , 28905 , 41712 , 959379 , 385190 , 6953378 , 6771843 , 82792142 , 99067122 , 472566445 , 471204228 , 5688232131 , 4685736155
n×2
40323898
n×3
60485847
n×4
80647796
n×5
100809745
n÷2
10080974.5
n÷3
6720649.6666667
n÷3
5040487.25
n÷5
4032389.8
n2
406504187478601
n3
8.19591669623E+21
n4
1.6524565443764E+29
n5
3.3316744572433E+36
2 √n
4490.2058972836
3 √n
272.17245497425
4 √n
67.008998629166
5 √n
28.900576257237
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
-20161948
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 20161949 can be divided by 4 positive divisors.
The sum of these divisors (counting 20161949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111010010110011101
3
Ternary
1101221022222212
4
Quaternary
1030322112131
5
Quinary
20130140244
6
Senary
2000050205
8
Octal
114722635
10
Decimal
20161949
12
Duodecimal
6903965
16
Hexadecimal
133a59d
20
Vigesimal
6604h9
36
Base36
c0525
md5
e8893317c9a092017594ad7c25017f5f
sha1
d10892200b9339d18822ccb84b8ef9b5eb138bf7
sha256
ace29978208ed1f601e7bcc3fae7b305e74acbccbfd102789d139ee94af98318
sha512
b7c4e78f9d3434ce9afaa6bc72fbbf6173ad636d4f9e005665133edb654cf161d249c73632d1ba7b25d9c20ba1a5d2c6c7d7b5f5efda6912a6a659b60dcdb6e4
ripemd-160
6b66af1b21eec0c80bc2aacb09a9df3a280589e1
Diameter
40323898
Circumference
126681261.7209
Area
1.2770705690363E+15
Volume
3.4330975576413E+22
Surface area
5.108282276145E+15
Circumference
126681261.7209
Perimeter
80647796
Area
406504187478601
Diagonal
28513301.719675
Surface area
2439025124871606
Volume
8.19591669623E+21
Space diagonal
34921520.047613
Perimeter
60485847
Area
1.7602147655061E+14
Altitude
17460760.023806
Surface area
1.7602147655061E+14
Volume
9.6589804565738E+20
Height
9504433.9065582