16561642 is an even 8-digits composite number following 16561641
and preceding 16561643 . In scientific notation, it is written as 1.6561642 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 8280820 positive integers (up to 16561642) that are relatively prime to 16561642.
16561642 has 4 divisors, whose sum is 24842466
The reverse of 16561642 is 24616561
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixteen million five hundred sixty-one thousand six hundred forty-two
Scientific notation
1.6561642 × 10^7
Engineering notation
1.6561642 × 10^6
Prime Factorization
2 × 8280821
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16561642
Product of the distinct prime numbers
The prime factorization of 16561642 is 2 × 8280821.
Since it has a total of 2 prime factors.
9 , 2 , 8 , 92 , 162 , 925 , 5951 , 6265 , 62514 , 13873 , 956379 , 833937 , 4776356 , 7805876 , 81097754 , 34301619 , 534570976 , 145466905 , 5374405868 , 5730770565
n×2
33123284
n×3
49684926
n×4
66246568
n×5
82808210
n÷2
8280821
n÷3
5520547.3333333
n÷3
4140410.5
n÷5
3312328.4
n2
274287985736164
n3
4.5426594246635E+21
n4
7.5233899119202E+28
n5
1.2459969034763E+36
2 √n
4069.5997346176
3 √n
254.89880388023
4 √n
63.793414508221
5 √n
27.785657528335
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
-16561641
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 16561642 can be divided by 4 positive divisors.
The sum of these divisors (counting 16561642) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111001011010111101010
3
Ternary
1011011102022011
4
Quaternary
333023113222
5
Quinary
13214433032
6
Senary
1350550134
8
Octal
77132752
10
Decimal
16561642
12
Duodecimal
566834a
16
Hexadecimal
fcb5ea
20
Vigesimal
53a422
36
Base36
9uz1m
md5
cf79b16597c16466d9077ec5381a16be
sha1
1c02d3d0c3f5d1b4c4615f9057c8bcbb476cb6fc
sha256
6d18ca54d5edae6fff5cb6a11dee0bb879855c58fb4d734f07ccab419a0b99ed
sha512
3ed0f7a15f5a58cc45f7356676af78369f85345efdaa7a128ed7631501ff6256525f4339b685bee270937531acb4ebe9a7453ae8bc851eb2f019e176ced55333
ripemd-160
64453caae0b746ee52bc933413266b9305ea98eb
Diameter
33123284
Circumference
104059865.67717
Area
8.6170112095667E+14
Volume
1.9028247301711E+22
Surface area
3.4468044838267E+15
Circumference
104059865.67717
Perimeter
66246568
Area
274287985736164
Diagonal
23421698.731568
Surface area
1645727914416984
Volume
4.5426594246635E+21
Space diagonal
28685605.400767
Perimeter
49684926
Area
1.1877018180019E+14
Altitude
14342802.700383
Surface area
1.1877018180019E+14
Volume
5.3535754730008E+20
Height
7807232.9105226