81882012 is an even 8-digits composite number following 81882011
and preceding 81882013 . In scientific notation, it is written as 8.1882012 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 27294000 positive integers (up to 81882012) that are relatively prime to 81882012.
81882012 has 12 divisors, whose sum is 191058056
The reverse of 81882012 is 21028818
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million eight hundred eighty-two thousand twelve
Scientific notation
8.1882012 × 10^7
Engineering notation
8.1882012 × 10^6
Prime Factorization
2 × 2 × 3 × 6823501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40941006
Product of the distinct prime numbers
The prime factorization of 81882012 is 2 × 2 × 3 × 6823501.
Since it has a total of 4 prime factors.
1 , 10 , 70 , 78 , 470 , 319 , 6865 , 7322 , 14421 , 49242 , 591006 , 195467 , 6830915 , 293890 , 75203184 , 27723881 , 683258409 , 128765071 , 8967065094 , 9904450887
n×2
163764024
n×3
245646036
n×4
327528048
n×5
409410060
n÷2
40941006
n÷3
27294004
n÷3
20470503
n÷5
16376402.4
n2
6704663889168144
n3
5.4899136902883E+23
n4
4.4952517866715E+31
n5
3.6808026073926E+39
2 √n
9048.8679955009
3 √n
434.23967592118
4 √n
95.125538082583
5 √n
38.250551489706
1 , 2 , 3 , 4 , 6 , 12 , 6823501 , 13647002 , 20470503 , 27294004 , 40941006 , 81882012
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81882011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81882012 can be divided by 12 positive divisors.
The sum of these divisors (counting 81882012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111000010110101110011100
3
Ternary
12201002001000010
4
Quaternary
10320112232130
5
Quinary
131430211022
6
Senary
12043003220
8
Octal
470265634
10
Decimal
81882012
12
Duodecimal
23509510
16
Hexadecimal
4e16b9c
20
Vigesimal
15bf50c
36
Base36
1cr0kc
md5
14e5babd9537c60330758e39ba5a43b7
sha1
a20694598ee3816a124b49eba1dac5adfadb7261
sha256
b37e325f34495ced611d8ba0fadf8cbc467d63bdf614bfa9663ff60b86489823
sha512
1d5ee0732a8c1bcb62cf9f39af66656b86ae4526876332122969a568bf953fac51b4b3187880bd35e99f9530aedb6d68696264250ab699354c1de6599d900fba
ripemd-160
1b3baa9e725e5b0cfd2849186604349099c7bba5
Diameter
163764024
Circumference
514479854.7207
Area
2.1063322818999E+16
Volume
2.2996096691002E+24
Surface area
8.4253291275998E+16
Circumference
514479854.7207
Perimeter
327528048
Area
6704663889168144
Diagonal
115798651.8848
Surface area
40227983335008864
Volume
5.4899136902883E+23
Space diagonal
141823805.00996
Perimeter
245646036
Area
2.9032046259279E+15
Altitude
70911902.504982
Surface area
2.9032046259279E+15
Volume
6.4699253308862E+22
Height
38599550.628266