20109621 is an odd 8-digits composite number following 20109620
and preceding 20109622 . In scientific notation, it is written as 2.0109621 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 11491200 positive integers (up to 20109621) that are relatively prime to 20109621.
20109621 has 4 divisors, whose sum is 21067244
The reverse of 20109621 is 12690102
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred nine thousand six hundred twenty-one
Scientific notation
2.0109621 × 10^7
Engineering notation
2.0109621 × 10^6
Prime Factorization
21 × 957601
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20109621
Product of the distinct prime numbers
The prime factorization of 20109621 is 21 × 957601.
Since it has a total of 2 prime factors.
10 , 9 , 8 , 32 , 879 , 198 , 7117 , 7680 , 9687 , 94429 , 524861 , 747731 , 6853933 , 5165308 , 65067726 , 60620113 , 957325769 , 101495106 , 391483869 , 9996650936
n×2
40219242
n×3
60328863
n×4
80438484
n×5
100548105
n÷2
10054810.5
n÷3
6703207
n÷3
5027405.25
n÷5
4021924.2
n2
404396856763641
n3
8.1322675231081E+21
n4
1.6353681776031E+29
n5
3.288663424706E+36
2 √n
4484.3752073171
3 √n
271.93678696118
4 √n
66.965477727834
5 √n
28.885559040269
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
-20109620
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 20109621 can be divided by 4 positive divisors.
The sum of these divisors (counting 20109621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101101100100110101
3
Ternary
1101211200012210
4
Quaternary
1030231210311
5
Quinary
20122001441
6
Senary
1555004033
8
Octal
114554465
10
Decimal
20109621
12
Duodecimal
6899619
16
Hexadecimal
132d935
20
Vigesimal
65de11
36
Base36
bz0ol
md5
baa88d86262d78b511772300ea469955
sha1
5d94d116d9641e9fa8ec33c962c7adfb6d5d0bc6
sha256
3819aa2e4d0ebdfee139c727ddd83fe4f27fe732497a515b161490cb99963a83
sha512
6216c8dd57da03ef1070ec99e823795b58c08a826dab8129c22ad0139be4682231ddde08a04fc4a7e4f58aef382abb5fe92f1f397fb5cd3b0b7af6e2dc412eba
ripemd-160
3a44645f99e0dff374e95d69443e193acf8b70d5
Diameter
40219242
Circumference
126352475.20015
Area
1.2704501943435E+15
Volume
3.4064362543498E+22
Surface area
5.0818007773738E+15
Circumference
126352475.20015
Perimeter
80438484
Area
404396856763641
Diagonal
28439298.752383
Surface area
2426381140581846
Volume
8.1322675231081E+21
Space diagonal
34830885.292954
Perimeter
60328863
Area
1.7510897558394E+14
Altitude
17415442.646477
Surface area
1.7510897558394E+14
Volume
9.5839691866881E+20
Height
9479766.2507943