20210405 is an odd 8-digits composite number following 20210404
and preceding 20210406 . In scientific notation, it is written as 2.0210405 × 10^7.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 16168320 positive integers (up to 20210405) that are relatively prime to 20210405.
20210405 has 4 divisors, whose sum is 24252492
The reverse of 20210405 is 50401202
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty million two hundred ten thousand four hundred five
Scientific notation
2.0210405 × 10^7
Engineering notation
2.0210405 × 10^6
Prime Factorization
5 × 4042081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20210405
Product of the distinct prime numbers
The prime factorization of 20210405 is 5 × 4042081.
Since it has a total of 2 prime factors.
4 , 9 , 35 , 80 , 480 , 375 , 3558 , 8098 , 57697 , 20535 , 81520 , 650412 , 7804754 , 6376206 , 80569978 , 92722896 , 30000376 , 845608585 , 9278990203 , 4420394637
n×2
40420810
n×3
60631215
n×4
80841620
n×5
101052025
n÷2
10105202.5
n÷3
6736801.6666667
n÷3
5052601.25
n÷5
4042081
n2
408460470264025
n3
8.2551515305264E+21
n4
1.6683995576831E+29
n5
3.3719030762596E+36
2 √n
4495.5984028825
3 √n
272.39032143105
4 √n
67.049223730648
5 √n
28.914454498876
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
-20210404
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 20210405 can be divided by 4 positive divisors.
The sum of these divisors (counting 20210405) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000110001011100101
3
Ternary
1102000210110112
4
Quaternary
1031012023211
5
Quinary
20133213110
6
Senary
2001102405
8
Octal
115061345
10
Decimal
20210405
12
Duodecimal
6927a05
16
Hexadecimal
13462e5
20
Vigesimal
666605
36
Base36
c16g5
md5
bbbc5a5a28be495f7589e18636dd6154
sha1
d97074b4ddc5ea6a918ef1fa0e312ceb8e29c13f
sha256
28d729f31cf3cf0c310695be3df197e1698a4c7286d25f581e6845deb89749ac
sha512
651c007a4023929950293ebd913e5b9497a26865c319bbef06123f812ff7d067ac07a3fedc042dedcc722c8a8c91bae4fea1c9c762cbb0b114627e8cd21dd5e9
ripemd-160
3778e204a38692226630fe8ce9373e7cbfeb3f33
Diameter
40420810
Circumference
126985719.74815
Area
1.2832164126633E+15
Volume
3.4579097870096E+22
Surface area
5.1328656506532E+15
Circumference
126985719.74815
Perimeter
80841620
Area
408460470264025
Diagonal
28581828.852053
Surface area
2450762821584150
Volume
8.2551515305264E+21
Space diagonal
35005448.301544
Perimeter
60631215
Area
1.7686857184519E+14
Altitude
17502724.150772
Surface area
1.7686857184519E+14
Volume
9.7287893782629E+20
Height
9527276.2840177