20161804 is an even 8-digits composite number following 20161803
and preceding 20161805 . In scientific notation, it is written as 2.0161804 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 9305424 positive integers (up to 20161804) that are relatively prime to 20161804.
20161804 has 12 divisors, whose sum is 37997344
The reverse of 20161804 is 40816102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred sixty-one thousand eight hundred four
Scientific notation
2.0161804 × 10^7
Engineering notation
2.0161804 × 10^6
Prime Factorization
2 × 2 × 13 × 387727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10080902
Product of the distinct prime numbers
The prime factorization of 20161804 is 2 × 2 × 13 × 387727.
Since it has a total of 4 prime factors.
8 , 6 , 96 , 39 , 128 , 549 , 6903 , 1351 , 22815 , 27047 , 187928 , 146022 , 1525367 , 2086190 , 95826668 , 63245136 , 330438025 , 720772940 , 8918029590 , 8197838930
n×2
40323608
n×3
60485412
n×4
80647216
n×5
100809020
n÷2
10080902
n÷3
6720601.3333333
n÷3
5040451
n÷5
4032360.8
n2
406498340534416
n3
8.1957398681802E+21
n4
1.6524090085723E+29
n5
3.331554655867E+36
2 √n
4490.1897510016
3 √n
272.1718025059
4 √n
67.008878150597
5 √n
28.900534687887
1 , 2 , 4 , 13 , 26 , 52 , 387727 , 775454 , 1550908 , 5040451 , 10080902 , 20161804
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
-20161803
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 20161804 can be divided by 12 positive divisors.
The sum of these divisors (counting 20161804) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111010010100001100
3
Ternary
1101221022210111
4
Quaternary
1030322110030
5
Quinary
20130134204
6
Senary
2000045404
8
Octal
114722414
10
Decimal
20161804
12
Duodecimal
6903864
16
Hexadecimal
133a50c
20
Vigesimal
6604a4
36
Base36
c04y4
md5
fab8f0aa717a59e34a1f3f3f68cc6735
sha1
33bd7c76b83179d5e7a0fb3ac52cb0d739d55cd2
sha256
941f8eb18339aaa08d26f12df74f602f871d5eb60a10afe2d163aec748a54d38
sha512
2940dca666ffc96674b67310fdaed78f5a216f904a93cf5b33369ae4fee4e95751d855aeb38f617f76acbef687af924208f6173ce48cbc6ac228eb6eec32d98a
ripemd-160
07e19ce1b7903fc5e8c0d0b24522f863f825e11d
Diameter
40323608
Circumference
126680350.65903
Area
1.2770522003194E+15
Volume
3.433023488081E+22
Surface area
5.1082088012775E+15
Circumference
126680350.65903
Perimeter
80647216
Area
406498340534416
Diagonal
28513096.658708
Surface area
2438990043206496
Volume
8.1957398681802E+21
Space diagonal
34921268.900245
Perimeter
60485412
Area
1.7601894474951E+14
Altitude
17460634.450123
Surface area
1.7601894474951E+14
Volume
9.6587720627185E+20
Height
9504365.5529027