21030105 is an odd 8-digits composite number following 21030104
and preceding 21030106 . In scientific notation, it is written as 2.1030105 × 10^7.
The sum of its digits is 12. It has a total of 4 prime factors and 16 positive divisors.
There are 10556160 positive integers (up to 21030105) that are relatively prime to 21030105.
21030105 has 16 divisors, whose sum is 35627904
The reverse of 21030105 is 50103012
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million thirty thousand one hundred five
Scientific notation
2.1030105 × 10^7
Engineering notation
2.1030105 × 10^6
Prime Factorization
17 × 3 × 5 × 82471
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21030105
Product of the distinct prime numbers
The prime factorization of 21030105 is 17 × 3 × 5 × 82471.
Since it has a total of 4 prime factors.
7 , 6 , 12 , 16 , 823 , 359 , 3372 , 2740 , 84590 , 23458 , 610716 , 492306 , 2130606 , 6725099 , 45951229 , 52130303 , 175399611 , 171214927 , 248720381 , 9350412762
n×2
42060210
n×3
63090315
n×4
84120420
n×5
105150525
n÷2
10515052.5
n÷3
7010035
n÷3
5257526.25
n÷5
4206021
n2
442265316311025
n3
9.3008860398791E+21
n4
1.9559861001169E+29
n5
4.1134593063999E+36
2 √n
4585.8592433698
3 √n
276.02419185134
4 √n
67.718972551049
5 √n
29.145283774858
1 , 3 , 5 , 15 , 17 , 51 , 85 , 255 , 82471 , 247413 , 412355 , 1237065 , 1402007 , 4206021 , 7010035 , 21030105
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
-21030104
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 21030105 can be divided by 16 positive divisors.
The sum of these divisors (counting 21030105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110010011011001
3
Ternary
1110120102212210
4
Quaternary
1100032103121
5
Quinary
20340430410
6
Senary
2030425333
8
Octal
120162331
10
Decimal
21030105
12
Duodecimal
7062249
16
Hexadecimal
140e4d9
20
Vigesimal
6b8f55
36
Base36
ciqxl
md5
d3cfe421b79ae3ef33389d3c96ceb6f0
sha1
b6ae06dacb6e6761bfe0c04461315a4e3ca693a4
sha256
32b39ec9ee2f00b42c06d0e8bbeedab5d48b2719e028712254306c468d1a506b
sha512
1276ce9b5de5ad47bae8a2f55b78ded3a65cd92550336dab977dab5f3300473de99c47ea7bac10e2b12f842518778520858e37bf5208e6fa0e04c4a64100dc7b
ripemd-160
9e918c9e6d8447f54aea6cd8aa4b88fa60d2fee2
Diameter
42060210
Circumference
132136046.74444
Area
1.3894174686603E+15
Volume
3.895946033968E+22
Surface area
5.5576698746411E+15
Circumference
132136046.74444
Perimeter
84120420
Area
442265316311025
Diagonal
29741059.70913
Surface area
2653591897866150
Volume
9.3008860398791E+21
Space diagonal
36425210.348508
Perimeter
63090315
Area
1.9150649956905E+14
Altitude
18212605.174254
Surface area
1.9150649956905E+14
Volume
1.0961199316403E+21
Height
9913686.5697101