20161284 is an even 8-digits composite number following 20161283
and preceding 20161285 . In scientific notation, it is written as 2.0161284 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 5443200 positive integers (up to 20161284) that are relatively prime to 20161284.
20161284 has 24 divisors, whose sum is 36601600
The reverse of 20161284 is 48216102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred sixty-one thousand two hundred eighty-four
Scientific notation
2.0161284 × 10^7
Engineering notation
2.0161284 × 10^6
Prime Factorization
2 × 2 × 429 × 31 × 379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10080642
Product of the distinct prime numbers
The prime factorization of 20161284 is 2 × 2 × 429 × 31 × 379.
Since it has a total of 5 prime factors.
4 , 5 , 28 , 51 , 316 , 68 , 9537 , 7595 , 97984 , 19649 , 501378 , 847530 , 9014935 , 4446109 , 13669011 , 97812010 , 367257027 , 417582750 , 4836396633 , 9595301901
n×2
40322568
n×3
60483852
n×4
80645136
n×5
100806420
n÷2
10080642
n÷3
6720428
n÷3
5040321
n÷5
4032256.8
n2
406477372528656
n3
8.195105747124E+21
n4
1.652238543778E+29
n5
3.3311250516855E+36
2 √n
4490.1318466165
3 √n
272.16946259369
4 √n
67.008446084181
5 √n
28.900385609629
1 , 2 , 4 , 31 , 62 , 124 , 379 , 429 , 758 , 858 , 1516 , 1716 , 11749 , 13299 , 23498 , 26598 , 46996 , 53196 , 162591 , 325182 , 650364 , 5040321 , 10080642 , 20161284
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20161283
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161284 can be divided by 24 positive divisors.
The sum of these divisors (counting 20161284) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111010001100000100
3
Ternary
1101221022002020
4
Quaternary
1030322030010
5
Quinary
20130130114
6
Senary
2000043140
8
Octal
114721404
10
Decimal
20161284
12
Duodecimal
69034b0
16
Hexadecimal
133a304
20
Vigesimal
660344
36
Base36
c04jo
md5
45d09c2d29ced381f3bb2ccc7fc603b4
sha1
aadeb615c7391e5e3a92757b00b516f777925eef
sha256
52d42a10ee9bbc01ffd1f78384f0a21d0ce04f1fe2ec5b599f0b61cd012836c4
sha512
f02f5f445fed181e1628c768f658a36dc66cd64988257fcbac3424c4f57a6e578a230f441f4f9a7daac40be23b2524f5adb65cbfb9a351169eb31ecbf9963cc2
ripemd-160
4d1bb9a46bf7056761394bf3a716918a6429b82c
Diameter
40322568
Circumference
126677083.40267
Area
1.2769863273865E+15
Volume
3.4327578680742E+22
Surface area
5.107945309546E+15
Circumference
126677083.40267
Perimeter
80645136
Area
406477372528656
Diagonal
28512361.267656
Surface area
2438864235171936
Volume
8.195105747124E+21
Space diagonal
34920368.233825
Perimeter
60483852
Area
1.7600986533668E+14
Altitude
17460184.116913
Surface area
1.7600986533668E+14
Volume
9.6580247438871E+20
Height
9504120.4225519