13805621 is an odd 8-digits composite number following 13805620
and preceding 13805622 . In scientific notation, it is written as 1.3805621 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 13790700 positive integers (up to 13805621) that are relatively prime to 13805621.
13805621 has 4 divisors, whose sum is 13820544
The reverse of 13805621 is 12650831
Previous prime number is 991
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirteen million eight hundred five thousand six hundred twenty-one
Scientific notation
1.3805621 × 10^7
Engineering notation
1.3805621 × 10^6
Prime Factorization
991 × 13931
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13805621
Product of the distinct prime numbers
The prime factorization of 13805621 is 991 × 13931.
Since it has a total of 2 prime factors.
8 , 10 , 82 , 11 , 815 , 549 , 2734 , 1746 , 86671 , 61008 , 105490 , 691581 , 5436088 , 3892565 , 90652858 , 13710217 , 890233435 , 935635829 , 450052758 , 73906757
n×2
27611242
n×3
41416863
n×4
55222484
n×5
69028105
n÷2
6902810.5
n÷3
4601873.6666667
n÷3
3451405.25
n÷5
2761124.2
n2
190595171195641
n3
2.6312846979571E+21
n4
3.6326519283096E+28
n5
5.0151015747161E+35
2 √n
3715.5916083445
3 √n
239.89359287629
4 √n
60.955652800577
5 √n
26.792373529041
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
-13805620
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 13805621 can be divided by 4 positive divisors.
The sum of these divisors (counting 13805621) is 1, the average is 0.25.
Base
System
Value
2
Binary
110100101010100000110101
3
Ternary
221222101202022
4
Quaternary
310222200311
5
Quinary
12013234441
6
Senary
1211522525
8
Octal
64524065
10
Decimal
13805621
12
Duodecimal
4759445
16
Hexadecimal
d2a835
20
Vigesimal
465e11
36
Base36
87whh
md5
bdd1a352c6a3635aeb4c3593affc332e
sha1
aef8e2be777662653529d116e9ca142288b45cb6
sha256
6e9c0cccc346dc713a5a2bdf039a2a794b77fe2a440ea414b5b236d40eaffaea
sha512
1d99ba357deea3861c6fc29dc8c653e9def8ae8d84bafd1a4ab3c3809239856bb622232f2d86796890e158f785fa5e7e80ad3faf3b321c408ede7bccc8b71249
ripemd-160
2cf921dcd6552511696dd9552b3d42e264581c13
Diameter
27611242
Circumference
86743275.02369
Area
5.9877238963791E+14
Volume
1.1021899568807E+22
Surface area
2.3950895585517E+15
Circumference
86743275.02369
Perimeter
55222484
Area
190595171195641
Diagonal
19524096.455183
Surface area
1143571027173846
Volume
2.6312846979571E+21
Space diagonal
23912037.00204
Perimeter
41416863
Area
82530130047035
Altitude
11956018.50102
Surface area
82530130047035
Volume
3.1009987552631E+20
Height
6508032.1517276