21130105 is an odd 8-digits composite number following 21130104
and preceding 21130106 . In scientific notation, it is written as 2.1130105 × 10^7.
The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors.
There are 16882176 positive integers (up to 21130105) that are relatively prime to 21130105.
21130105 has 8 divisors, whose sum is 25389000
The reverse of 21130105 is 50103112
Previous prime number is 929
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty-one million one hundred thirty thousand one hundred five
Scientific notation
2.1130105 × 10^7
Engineering notation
2.1130105 × 10^6
Prime Factorization
5 × 929 × 4549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21130105
Product of the distinct prime numbers
The prime factorization of 21130105 is 5 × 929 × 4549.
Since it has a total of 3 prime factors.
6 , 5 , 62 , 85 , 719 , 817 , 9055 , 9387 , 79650 , 98656 , 181804 , 726445 , 2319969 , 5504004 , 43284180 , 22321752 , 152079198 , 977743896 , 2562664640 , 694071292
n×2
42260210
n×3
63390315
n×4
84520420
n×5
105650525
n÷2
10565052.5
n÷3
7043368.3333333
n÷3
5282526.25
n÷5
4226021
n2
446481337311025
n3
9.4341975379224E+21
n4
1.9934558456704E+29
n5
4.212193133188E+36
2 √n
4596.7493949529
3 √n
276.46100665806
4 √n
67.799331817894
5 √n
29.172948882621
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21130104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21130105 can be divided by 8 positive divisors.
The sum of these divisors (counting 21130105) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100110101101111001
3
Ternary
1110202112001111
4
Quaternary
1100212231321
5
Quinary
20402130410
6
Senary
2032520321
8
Octal
120465571
10
Decimal
21130105
12
Duodecimal
70b00a1
16
Hexadecimal
1426b79
20
Vigesimal
6c1555
36
Base36
ckw3d
md5
20c9832a001d4fb0b1c51c488ddf6773
sha1
1c06ab485c8c39f25f4df3f9e40f5058fe3a24c2
sha256
ab998a1b2523dd3afcfd9c118cece76a766e4a66e9e7b21b9b0d985e4bd970ca
sha512
3d77439508ebf98722be4fb4cda825d04b400a767e62661971036818c68cea97c524394c1ff91fde7fe30971780c19b110f7211c78b8a3e078a2186de45da758
ripemd-160
ed21854395978cfc87b1daf441e8faa76c531f16
Diameter
42260210
Circumference
132764365.27516
Area
1.4026624892613E+15
Volume
3.9517874236869E+22
Surface area
5.610649957045E+15
Circumference
132764365.27516
Perimeter
84520420
Area
446481337311025
Diagonal
29882481.065368
Surface area
2678888023866150
Volume
9.4341975379224E+21
Space diagonal
36598415.429265
Perimeter
63390315
Area
1.933320902135E+14
Altitude
18299207.714633
Surface area
1.933320902135E+14
Volume
1.1118308423531E+21
Height
9960827.0217892