20111921 is an odd 8-digits composite number following 20111920
and preceding 20111922 . In scientific notation, it is written as 2.0111921 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 20089344 positive integers (up to 20111921) that are relatively prime to 20111921.
20111921 has 4 divisors, whose sum is 20134500
The reverse of 20111921 is 12911102
Previous prime number is 929
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred eleven thousand nine hundred twenty-one
Scientific notation
2.0111921 × 10^7
Engineering notation
2.0111921 × 10^6
Prime Factorization
929 × 21649
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20111921
Product of the distinct prime numbers
The prime factorization of 20111921 is 929 × 21649.
Since it has a total of 2 prime factors.
1 , 3 , 58 , 38 , 925 , 593 , 3346 , 7884 , 87401 , 53439 , 985883 , 838318 , 2065361 , 1354672 , 39993117 , 67800240 , 527379590 , 906866113 , 1853620778 , 1188270501
n×2
40223842
n×3
60335763
n×4
80447684
n×5
100559605
n÷2
10055960.5
n÷3
6703973.6666667
n÷3
5027980.25
n÷5
4022384.2
n2
404489366310241
n3
8.1350581805716E+21
n4
1.6361164745806E+29
n5
3.2905445283564E+36
2 √n
4484.631645966
3 √n
271.94715398511
4 √n
66.967392408291
5 √n
28.886219756317
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
-20111920
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 20111921 can be divided by 4 positive divisors.
The sum of these divisors (counting 20111921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101110001000110001
3
Ternary
1101211210100222
4
Quaternary
1030232020301
5
Quinary
20122040141
6
Senary
1555022425
8
Octal
114561061
10
Decimal
20111921
12
Duodecimal
689aa15
16
Hexadecimal
132e231
20
Vigesimal
65djg1
36
Base36
bz2gh
md5
5eda8ef7988038c592214cb4cbbc7613
sha1
27292e5e2aaad614cf33f022911c0c67a0eb83aa
sha256
9243a976b0f1fd0e307e28675ef1abe53668e743e5337a4171e6f40f4980bf19
sha512
2c85bf223edfcdb0d1e6b8f23b0cb6fa811a2f1cd252aa474f7d95b6404dc2ad300726424316a47055c7253ea968c82905a4f0fb88a983f3295a3c0be84b2ff3
ripemd-160
a301c9d7d7481e8d604cb8384b106b67ae70c239
Diameter
40223842
Circumference
126366926.52636
Area
1.2707408216554E+15
Volume
3.4076052022146E+22
Surface area
5.0829632866218E+15
Circumference
126366926.52636
Perimeter
80447684
Area
404489366310241
Diagonal
28442551.443576
Surface area
2426936197861446
Volume
8.1350581805716E+21
Space diagonal
34834869.009811
Perimeter
60335763
Area
1.7514903339267E+14
Altitude
17417434.504906
Surface area
1.7514903339267E+14
Volume
9.5872580080488E+20
Height
9480850.4811921