16656421 is an odd 8-digits prime number following 16656420
and preceding 16656422 . In scientific notation, it is written as 1.6656421 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 16656420 positive integers (up to 16656421) that are relatively prime to 16656421.
16656421 has 2 divisors, whose sum is 16656422
The reverse of 16656421 is 12465661
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixteen million six hundred fifty-six thousand four hundred twenty-one
Scientific notation
1.6656421 × 10^7
Engineering notation
1.6656421 × 10^6
Prime Factorization
16656421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
16656421
Product of the distinct prime numbers
The prime factorization of 16656421 is 16656421.
Since it has a total of 1 prime factors.
1 , 10 , 28 , 65 , 805 , 5 , 9056 , 6413 , 8398 , 51605 , 369388 , 582182 , 1189975 , 3577281 , 44327407 , 42499317 , 145031788 , 187828825 , 2646471532 , 5696961551
n×2
33312842
n×3
49969263
n×4
66625684
n×5
83282105
n÷2
8328210.5
n÷3
5552140.3333333
n÷3
4164105.25
n÷5
3331284.2
n2
277436360529241
n3
4.6210968216828E+21
n4
7.6970934143711E+28
n5
1.2820602838609E+36
2 √n
4081.22787896
3 √n
255.38412439516
4 √n
63.88448856303
5 √n
27.817387341832
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
16656422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
8328211
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4081.2280014721
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998799262
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16656421 can be divided by 2 positive divisors.
The sum of these divisors (counting 16656421) is 16656422, the average is 8328211.
Base
System
Value
2
Binary
111111100010100000100101
3
Ternary
1011100020022111
4
Quaternary
333202200211
5
Quinary
13231001141
6
Senary
1353001021
8
Octal
77424045
10
Decimal
16656421
12
Duodecimal
56b3171
16
Hexadecimal
fe2825
20
Vigesimal
542111
36
Base36
9x06d
md5
b1beef37296d64bf0600341cbdb8c8cd
sha1
1fcf2b40d76dd3d84db75764328cc9ca776b89be
sha256
ebbac3f918d64518cb0382c89a16c73686bf332f3e725e09ce5db4923a1e2585
sha512
fde58e18366e44c13638d5e40dce28ebd85fc2d02e801107fcd352219998904ef3b020475dda3e0c23a94c28a8d78f11ea457412b98c9e83218f581d72c1608c
ripemd-160
c4c74d36e6b753bb1ac019f7cd35f65dfd711578
Diameter
33312842
Circumference
104655379.6974
Area
8.7159203207735E+14
Volume
1.9356805102035E+22
Surface area
3.4863681283094E+15
Circumference
104655379.6974
Perimeter
66625684
Area
277436360529241
Diagonal
23555736.478796
Surface area
1664618163175446
Volume
4.6210968216828E+21
Space diagonal
28849767.444257
Perimeter
49969263
Area
1.2013346807591E+14
Altitude
14424883.722129
Surface area
1.2013346807591E+14
Volume
5.4460148318859E+20
Height
7851912.1595987