20161984 is an even 8-digits composite number following 20161983
and preceding 20161985 . In scientific notation, it is written as 2.0161984 × 10^7.
The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors.
There are 9641984 positive integers (up to 20161984) that are relatively prime to 20161984.
20161984 has 28 divisors, whose sum is 41751504
The reverse of 20161984 is 48916102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred sixty-one thousand nine hundred eighty-four
Scientific notation
2.0161984 × 10^7
Engineering notation
2.0161984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 23 × 13697
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
630062
Product of the distinct prime numbers
The prime factorization of 20161984 is 2 × 2 × 2 × 2 × 2 × 2 × 23 × 13697.
Since it has a total of 8 prime factors.
5 , 10 , 65 , 25 , 213 , 948 , 3346 , 9276 , 12891 , 52006 , 723441 , 114548 , 556135 , 1933923 , 59224140 , 21089615 , 264013187 , 340390146 , 3901739800 , 2069247514
n×2
40323968
n×3
60485952
n×4
80647936
n×5
100809920
n÷2
10080992
n÷3
6720661.3333333
n÷3
5040496
n÷5
4032396.8
n2
406505598816256
n3
8.1959593792438E+21
n4
1.6524680186896E+29
n5
3.3317033753332E+36
2 √n
4490.2097946533
3 √n
272.17261246614
4 √n
67.009027710102
5 √n
28.900586291182
1 , 2 , 4 , 8 , 16 , 23 , 32 , 46 , 64 , 92 , 184 , 368 , 736 , 1472 , 13697 , 27394 , 54788 , 109576 , 219152 , 315031 , 438304 , 630062 , 876608 , 1260124 , 2520248 , 5040496 , 10080992 , 20161984
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20161983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161984 can be divided by 28 positive divisors.
The sum of these divisors (counting 20161984) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001100111010010111000000
3
Ternary
1101221100001011
4
Quaternary
1030322113000
5
Quinary
20130140414
6
Senary
2000050304
8
Octal
114722700
10
Decimal
20161984
12
Duodecimal
6903994
16
Hexadecimal
133a5c0
20
Vigesimal
6604j4
36
Base36
c0534
md5
4b5471995b97763e23948645d8234141
sha1
db6231ec083f2e3516b59138a84932cc616323b9
sha256
5631cbee186ff75e11976dbee93d7d4ee7dc2737cd02b314d18f85aa7332c864
sha512
5f487c24940e62aad618a54e15a5b6b98c49f55acb7bc0404864e8b820ff7bb5b15e41b377dba3d58f57dd82572fe777bd102bbd117d09b27e8ed485d49e99b4
ripemd-160
c38d9ae4093081772c8c4f49d2a301069b851ee1
Diameter
40323968
Circumference
126681481.63239
Area
1.2770750028843E+15
Volume
3.4331154366603E+22
Surface area
5.1083000115371E+15
Circumference
126681481.63239
Perimeter
80647936
Area
406505598816256
Diagonal
28513351.217149
Surface area
2439033592897536
Volume
8.1959593792438E+21
Space diagonal
34921580.669391
Perimeter
60485952
Area
1.7602208767774E+14
Altitude
17460790.334695
Surface area
1.7602208767774E+14
Volume
9.6590307589879E+20
Height
9504450.4057164