16561621 is an odd 8-digits composite number following 16561620
and preceding 16561622 . In scientific notation, it is written as 1.6561621 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 15587392 positive integers (up to 16561621) that are relatively prime to 16561621.
16561621 has 4 divisors, whose sum is 17535852
The reverse of 16561621 is 12616561
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
sixteen million five hundred sixty-one thousand six hundred twenty-one
Scientific notation
1.6561621 × 10^7
Engineering notation
1.6561621 × 10^6
Prime Factorization
17 × 974213
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16561621
Product of the distinct prime numbers
The prime factorization of 16561621 is 17 × 974213.
Since it has a total of 2 prime factors.
6 , 10 , 93 , 94 , 99 , 811 , 1143 , 4092 , 25954 , 99615 , 756504 , 104189 , 9752800 , 8797454 , 95391979 , 45829105 , 911911720 , 355666473 , 6838899653 , 1651741555
n×2
33123242
n×3
49684863
n×4
66246484
n×5
82808105
n÷2
8280810.5
n÷3
5520540.3333333
n÷3
4140405.25
n÷5
3312324.2
n2
274287290147641
n3
4.5426421445423E+21
n4
7.5233517536536E+28
n5
1.245989003937E+36
2 √n
4069.5971545105
3 √n
254.89869614379
4 √n
63.793394285855
5 √n
27.785650481943
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
-16561620
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 16561621 can be divided by 4 positive divisors.
The sum of these divisors (counting 16561621) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111001011010111010101
3
Ternary
1011011102021101
4
Quaternary
333023113111
5
Quinary
13214432441
6
Senary
1350550101
8
Octal
77132725
10
Decimal
16561621
12
Duodecimal
5668331
16
Hexadecimal
fcb5d5
20
Vigesimal
53a411
36
Base36
9uz11
md5
a4dab1021aa5955fc3dc5f9641fc3ad3
sha1
5055a444f9d5c82f716dc9b41aa7c19cddfd655d
sha256
4a17a25eed43b47e0f7dc569b85500d996fcacb4bc65f230bcbff0a43225f15c
sha512
97f295d7cf56e717a0535735ad9e1d0bb746d4bfc1186d315e573374e6ded0f6be8691902091f9d8ceb627ed173f448bf4a5ffd327fef085494abc0bab7dffbe
ripemd-160
c952a3f5ba0bbcce4101ea7b6c839cd0c963c264
Diameter
33123242
Circumference
104059733.73028
Area
8.6169893570088E+14
Volume
1.9028174918908E+22
Surface area
3.4467957428035E+15
Circumference
104059733.73028
Perimeter
66246484
Area
274287290147641
Diagonal
23421669.033083
Surface area
1645723740885846
Volume
4.5426421445423E+21
Space diagonal
28685569.0277
Perimeter
49684863
Area
1.1876988060153E+14
Altitude
14342784.51385
Surface area
1.1876988060153E+14
Volume
5.3535551081827E+20
Height
7807223.0110277