16681605 is an odd 8-digits composite number following 16681604
and preceding 16681606 . In scientific notation, it is written as 1.6681605 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 8896848 positive integers (up to 16681605) that are relatively prime to 16681605.
16681605 has 4 divisors, whose sum is 17793728
The reverse of 16681605 is 50618661
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixteen million six hundred eighty-one thousand six hundred five
Scientific notation
1.6681605 × 10^7
Engineering notation
1.6681605 × 10^6
Prime Factorization
15 × 1112107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16681605
Product of the distinct prime numbers
The prime factorization of 16681605 is 15 × 1112107.
Since it has a total of 2 prime factors.
10 , 6 , 31 , 91 , 638 , 546 , 6490 , 5729 , 37698 , 76541 , 8944 , 887774 , 821040 , 3365741 , 51067076 , 13647720 , 560225323 , 980591346 , 2614927596 , 9303908272
n×2
33363210
n×3
50044815
n×4
66726420
n×5
83408025
n÷2
8340802.5
n÷3
5560535
n÷3
4170401.25
n÷5
3336321
n2
278275945376025
n3
4.6420894017644E+21
n4
7.743750177492E+28
n5
1.291781816796E+36
2 √n
4084.3120595763
3 √n
255.51277058013
4 √n
63.908622732588
5 √n
27.825794067152
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
-16681604
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 16681605 can be divided by 4 positive divisors.
The sum of these divisors (counting 16681605) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111101000101010000101
3
Ternary
1011101111212020
4
Quaternary
333220222011
5
Quinary
13232302410
6
Senary
1353313353
8
Octal
77505205
10
Decimal
16681605
12
Duodecimal
5705859
16
Hexadecimal
fe8a85
20
Vigesimal
545405
36
Base36
9xjlx
md5
833a0f32b6489f9a685e7f075874c98a
sha1
1e6296f687a36b1e7800f108f67544d8ece1e071
sha256
ccefe9124662513a31dc2171fa231a9bf629a0cac58633738aa3098a5764b187
sha512
3cedd294f8d268bd708cbca3b87e485c5555acf0a3e44a7bfb0f3a3a1dc65d59eda8137e689f4af40e9bb30c185a9ea98781247f226b3173b0a6cc27e808f072
ripemd-160
5cb58b0de8b8f605df54fbeba5429db572ba5792
Diameter
33363210
Circumference
104813615.43617
Area
8.7422966566407E+14
Volume
1.9444738615854E+22
Surface area
3.4969186626563E+15
Circumference
104813615.43617
Perimeter
66726420
Area
278275945376025
Diagonal
23591352.033151
Surface area
1669655672256150
Volume
4.6420894017644E+21
Space diagonal
28893387.411795
Perimeter
50044815
Area
1.2049701897888E+14
Altitude
14446693.705898
Surface area
1.2049701897888E+14
Volume
5.4707548247697E+20
Height
7863784.0110503