20211894 is an even 8-digits composite number following 20211893
and preceding 20211895 . In scientific notation, it is written as 2.0211894 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6444240 positive integers (up to 20211894) that are relatively prime to 20211894.
20211894 has 16 divisors, whose sum is 35151840
The reverse of 20211894 is 49811202
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million two hundred eleven thousand eight hundred ninety-four
Scientific notation
2.0211894 × 10^7
Engineering notation
2.0211894 × 10^6
Prime Factorization
2 × 9 × 23 × 48821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20211894
Product of the distinct prime numbers
The prime factorization of 20211894 is 2 × 9 × 23 × 48821.
Since it has a total of 4 prime factors.
1 , 3 , 46 , 20 , 638 , 739 , 3479 , 4200 , 88380 , 69682 , 264306 , 652761 , 6880887 , 3973736 , 27396955 , 20128707 , 948264999 , 696088000 , 6622982230 , 1712398124
n×2
40423788
n×3
60635682
n×4
80847576
n×5
101059470
n÷2
10105947
n÷3
6737298
n÷3
5052973.5
n÷5
4042378.8
n2
408520659067236
n3
8.2569762578771E+21
n4
1.6688912888473E+29
n5
3.3731453827705E+36
2 √n
4495.7640062619
3 √n
272.39701071195
4 √n
67.050458658102
5 √n
28.914880540353
1 , 2 , 9 , 18 , 23 , 46 , 207 , 414 , 48821 , 97642 , 439389 , 878778 , 1122883 , 2245766 , 10105947 , 20211894
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20211893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20211894 can be divided by 16 positive divisors.
The sum of these divisors (counting 20211894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000110100010110110
3
Ternary
1102000212111200
4
Quaternary
1031012202312
5
Quinary
20133240034
6
Senary
2001113330
8
Octal
115064266
10
Decimal
20211894
12
Duodecimal
6928846
16
Hexadecimal
13468b6
20
Vigesimal
6669ee
36
Base36
c17li
md5
1709e37eced265fce06e310a5647f9e2
sha1
b0b8d14558f5fcd3dedd5ee042a02fb9c6008348
sha256
8c6c194f9cc0bcef043db87160641e8d92f91f6dff050746fd1d9d161f917184
sha512
25733416ed98915129a1ba522d352a4ec6376e6eda3768f5248914a05ae81b1822c28466d549fd4c6070a5bcb8d5d3a64b910a2c9bbe8202297ff6742cf956eb
ripemd-160
3568e2858dcf6c2e411f0da2c10155a55acd4236
Diameter
40423788
Circumference
126995075.41107
Area
1.2834055013653E+15
Volume
3.4586741270149E+22
Surface area
5.1336220054612E+15
Circumference
126995075.41107
Perimeter
80847576
Area
408520659067236
Diagonal
28583934.616047
Surface area
2451123954403416
Volume
8.2569762578771E+21
Space diagonal
35008027.325197
Perimeter
60635682
Area
1.7689463436149E+14
Altitude
17504013.662598
Surface area
1.7689463436149E+14
Volume
9.7309398400687E+20
Height
9527978.2053491