2178081 is an odd 7-digits composite number following 2178080
and preceding 2178082 . In scientific notation, it is written as 2.178081 × 10^6.
The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors.
There are 1452048 positive integers (up to 2178081) that are relatively prime to 2178081.
2178081 has 6 divisors, whose sum is 3146130
The reverse of 2178081 is 1808712
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
two million one hundred seventy-eight thousand eighty-one
Scientific notation
2.178081 × 10^6
Engineering notation
2.178081 × 10^6
Prime Factorization
3 × 3 × 242009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
726027
Product of the distinct prime numbers
The prime factorization of 2178081 is 3 × 3 × 242009.
Since it has a total of 3 prime factors.
2 , 1 , 34 , 11 , 348 , 873 , 8355 , 7636 , 31364 , 6061 , 314612 , 78540 , 2592107 , 8205166 , 96021578 , 63848389 , 519835941 , 279015663 , 2574814178 , 7104150250
n×2
4356162
n×3
6534243
n×4
8712324
n×5
10890405
n÷2
1089040.5
n÷3
726027
n÷3
544520.25
n÷5
435616.2
n2
4744036842561
n3
1.0332896510082E+19
n4
2.2505885563576E+25
n5
4.9019641734199E+31
2 √n
1475.8323075472
3 √n
129.62576791015
4 √n
38.416562932506
5 √n
18.518883743516
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2178080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2178081 can be divided by 6 positive divisors.
The sum of these divisors (counting 2178081) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1000010011110000100001
3
Ternary
11002122202200
4
Quaternary
20103300201
5
Quinary
1024144311
6
Senary
114403413
8
Octal
10236041
10
Decimal
2178081
12
Duodecimal
890569
16
Hexadecimal
213c21
20
Vigesimal
dc541
36
Base36
1aom9
md5
8e9f601c8092e097a1378eb078494f91
sha1
1920b809d122423e23745680756e60974f084a86
sha256
f32026184efd1f33ff0acf2feff92bfee537ba2fcf2465a03eb47e4ed17a5738
sha512
9947eed5ec68a51e208f7a611a31666cedd7798b33d53ace5dda833b5ebaf1dc5a2d5e4f7079c3dca0b9cce5f9c3197cfa1041592336667a2f2e4936c9fb9133
ripemd-160
80a598404b6c8a4aea4d8913f0d72c7c76a53973
Diameter
4356162
Circumference
13685286.537047
Area
14903831292949
Volume
4.3282335688503E+19
Surface area
59615325171796
Circumference
13685286.537047
Perimeter
8712324
Area
4744036842561
Diagonal
3080271.6901472
Surface area
28464221055366
Volume
1.0332896510082E+19
Space diagonal
3772546.9550004
Perimeter
6534243
Area
2054228211073.6
Altitude
1886273.4775002
Surface area
2054228211073.6
Volume
1.2177435319296E+18
Height
1026757.2300491