16661 is an odd 5-digits prime number following 16660
and preceding 16662 . In scientific notation, it is written as 1.6661 × 10^4.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 16660 positive integers (up to 16661) that are relatively prime to 16661.
16661 has 2 divisors, whose sum is 16662
The reverse of 16661 is 16661
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2
Name
sixteen thousand six hundred sixty-one
Scientific notation
1.6661 × 10^4
Engineering notation
1.6661 × 10^3
Prime Factorization
16661
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
16661
Product of the distinct prime numbers
The prime factorization of 16661 is 16661.
Since it has a total of 1 prime factors.
6 , 10 , 92 , 90 , 845 , 819 , 6171 , 1448 , 381 , 96281 , 495604 , 412170 , 8406892 , 3690361 , 4435509 , 28381517 , 729740600 , 562216890 , 9319420356 , 6136358500
n×2
33322
n×3
49983
n×4
66644
n×5
83305
n÷2
8330.5
n÷3
5553.6666666667
n÷3
4165.25
n÷5
3332.2
n2
277588921
n3
4624909012781
n4
77055609061944241
n5
1.2838235025811E+21
2 √n
129.07749610215
3 √n
25.540752471551
4 √n
11.361227755051
5 √n
6.9877959206343
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
16662
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
8331
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
129.08136968595
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9998799663906
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16661 can be divided by 2 positive divisors.
The sum of these divisors (counting 16661) is 16662, the average is 8331.
Base
System
Value
2
Binary
100000100010101
3
Ternary
211212002
4
Quaternary
10010111
5
Quinary
1013121
6
Senary
205045
8
Octal
40425
10
Decimal
16661
12
Duodecimal
9785
16
Hexadecimal
4115
20
Vigesimal
21d1
36
Base36
cut
md5
579c06a09a6114c5553f04d12df29e6a
sha1
f847c3aeb03c58039f3ae34294ee92ce517bde40
sha256
54883a7645c917d650cd0460d1b867190d18e3f9a874096db042e207e2d9f8cc
sha512
a85718cfe38417f596a6edf8f51fc54fa6db959dea09ba73f276c889694ce6eff0b54d5b60d00584f67998d75ac55925e518d06de15eccde857a6d852ea3b52a
ripemd-160
e814fcf8628837f46dda24a93ef2d92203880373
Diameter
33322
Circumference
104684.15040292
Area
872071314.93152
Volume
19372773570765
Surface area
3488285259.7261
Circumference
104684.15040292
Perimeter
66644
Area
277588921
Diagonal
23562.212162698
Surface area
1665533526
Volume
4624909012781
Space diagonal
28857.698504905
Perimeter
49983
Area
120199528.69756
Altitude
14428.849252453
Surface area
120199528.69756
Volume
545050754218.04
Height
7854.0707208994