16781331 is an odd 8-digits composite number following 16781330
and preceding 16781332 . In scientific notation, it is written as 1.6781331 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9518688 positive integers (up to 16781331) that are relatively prime to 16781331.
16781331 has 16 divisors, whose sum is 25760000
The reverse of 16781331 is 13318761
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
sixteen million seven hundred eighty-one thousand three hundred thirty-one
Scientific notation
1.6781331 × 10^7
Engineering notation
1.6781331 × 10^6
Prime Factorization
3 × 7 × 139 × 5749
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16781331
Product of the distinct prime numbers
The prime factorization of 16781331 is 3 × 7 × 139 × 5749.
Since it has a total of 4 prime factors.
2 , 1 , 44 , 22 , 754 , 8 , 4685 , 4611 , 83765 , 14418 , 608540 , 829179 , 4344964 , 8305019 , 59633103 , 84739673 , 846751571 , 280508837 , 966205970 , 9222044395
n×2
33562662
n×3
50343993
n×4
67125324
n×5
83906655
n÷2
8390665.5
n÷3
5593777
n÷3
4195332.75
n÷5
3356266.2
n2
281613070131561
n3
4.7258421438039E+21
n4
7.9305921268923E+28
n5
1.3308589150737E+36
2 √n
4096.5022885384
3 √n
256.02092826138
4 √n
64.00392400891
5 √n
27.858984436365
1 , 3 , 7 , 21 , 139 , 417 , 973 , 2919 , 5749 , 17247 , 40243 , 120729 , 799111 , 2397333 , 5593777 , 16781331
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16781330
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16781331 can be divided by 16 positive divisors.
The sum of these divisors (counting 16781331) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000000000001000000010011
3
Ternary
1011120120122210
4
Quaternary
1000001000103
5
Quinary
13244000311
6
Senary
1355403203
8
Octal
100010023
10
Decimal
16781331
12
Duodecimal
5753503
16
Hexadecimal
1001013
20
Vigesimal
54hd6b
36
Base36
9zok3
md5
28e181d799d8c9e031f3ea60f600dc25
sha1
31ef0b010e177f6cb23f93036f2ddfe831b9da26
sha256
1cedc71d8052a0add9373fcd34392988f92110705c17cc3dc7c17a5d52af6dad
sha512
0501148fd8fa61a5dfaa052ba70c86af734fa5b4134baa33f78c6e10a18725fdf49641f3c6df3b7bd13d49af099925f3ccd8df82b26d6e7db7fe292a9e823756
ripemd-160
6cf6814ee5d52f0d24de6dbc528b18b2bbc784e5
Diameter
33562662
Circumference
105440212.37412
Area
8.8471355228018E+14
Volume
1.9795561281333E+22
Surface area
3.5388542091207E+15
Circumference
105440212.37412
Perimeter
67125324
Area
281613070131561
Diagonal
23732385.894872
Surface area
1689678420789366
Volume
4.7258421438039E+21
Space diagonal
29066117.910631
Perimeter
50343993
Area
1.2194203638583E+14
Altitude
14533058.955315
Surface area
1.2194203638583E+14
Volume
5.5694583778349E+20
Height
7910795.2982907