82161880 is an even 8-digits composite number following 82161879
and preceding 82161881 . In scientific notation, it is written as 8.2161880 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors.
There are 32864736 positive integers (up to 82161880) that are relatively prime to 82161880.
82161880 has 16 divisors, whose sum is 184864320
The reverse of 82161880 is 08816128
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-two million one hundred sixty-one thousand eight hundred eighty
Scientific notation
8.2161880 × 10^7
Engineering notation
8.2161880 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 2054047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20540470
Product of the distinct prime numbers
The prime factorization of 82161880 is 2 × 2 × 2 × 5 × 2054047.
Since it has a total of 5 prime factors.
6 , 4 , 20 , 81 , 419 , 692 , 2194 , 5703 , 3733 , 10865 , 432300 , 396388 , 8798448 , 5877067 , 74674385 , 74188098 , 665131090 , 63780697 , 5143886423 , 8647380248
n×2
164323760
n×3
246485640
n×4
328647520
n×5
410809400
n÷2
41080940
n÷3
27387293.333333
n÷3
20540470
n÷5
16432376
n2
6750574525134400
n3
5.5463989406515E+23
n4
4.5570256419394E+31
n5
3.7441379394994E+39
2 √n
9064.3190588152
3 √n
434.73384872898
4 √n
95.206717508877
5 √n
38.276663450692
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 2054047 , 4108094 , 8216188 , 10270235 , 16432376 , 20540470 , 41080940 , 82161880
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
-82161879
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 82161880 can be divided by 16 positive divisors.
The sum of these divisors (counting 82161880) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111001011011000011011000
3
Ternary
12201121020220121
4
Quaternary
10321123003120
5
Quinary
132013140010
6
Senary
12053003024
8
Octal
471330330
10
Decimal
82161880
12
Duodecimal
23623474
16
Hexadecimal
4e5b0d8
20
Vigesimal
15da4e0
36
Base36
1cx0ig
md5
63a8fb8c9f1db9dfaa3540e4cee0ae58
sha1
7257b49303d0ac8e5d080624904a82b1c8a5088d
sha256
84c58f138a8a9408e002909d2e7d61c07d967a3238083820c26785a68cc80dd0
sha512
0d358439ef0fc6d414c20b3140ef881b170d129590973a38a2411471837c381683045d419113299da6c249a434fbceb382120c84738e371e516aa4c1c0bd2205
ripemd-160
2577442ed40b209a5e5244e8256c45f33e1ef682
Diameter
164323760
Circumference
516238317.22625
Area
2.1207555335673E+16
Volume
2.3232701554439E+24
Surface area
8.4830221342691E+16
Circumference
516238317.22625
Perimeter
328647520
Area
6750574525134400
Diagonal
116194445.00607
Surface area
40503447150806400
Volume
5.5463989406515E+23
Space diagonal
142308550.60538
Perimeter
246485640
Area
2.9230845144532E+15
Altitude
71154275.302689
Surface area
2.9230845144532E+15
Volume
6.5364938368343E+22
Height
38731481.66869