81268082 is an even 8-digits composite number following 81268081
and preceding 81268083 . In scientific notation, it is written as 8.1268082 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 34784208 positive integers (up to 81268082) that are relatively prime to 81268082.
81268082 has 16 divisors, whose sum is 139496640
The reverse of 81268082 is 28086218
Previous prime number is 877
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million two hundred sixty-eight thousand eighty-two
Scientific notation
8.1268082 × 10^7
Engineering notation
8.1268082 × 10^6
Prime Factorization
2 × 7 × 877 × 6619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81268082
Product of the distinct prime numbers
The prime factorization of 81268082 is 2 × 7 × 877 × 6619.
Since it has a total of 4 prime factors.
6 , 2 , 33 , 33 , 898 , 12 , 1700 , 4624 , 56835 , 13419 , 892701 , 251602 , 9269670 , 7782795 , 74539469 , 97694294 , 789459047 , 286752400 , 7014632849 , 8969288003
n×2
162536164
n×3
243804246
n×4
325072328
n×5
406340410
n÷2
40634041
n÷3
27089360.666667
n÷3
20317020.5
n÷5
16253616.4
n2
6604501151958724
n3
5.3673514118648E+23
n4
4.3619435466224E+31
n5
3.5448678582628E+39
2 √n
9014.8811417567
3 √n
433.15168020625
4 √n
94.946727914956
5 √n
38.193020153445
1 , 2 , 7 , 14 , 877 , 1754 , 6139 , 6619 , 12278 , 13238 , 46333 , 92666 , 5804863 , 11609726 , 40634041 , 81268082
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
-81268081
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 81268082 can be divided by 16 positive divisors.
The sum of these divisors (counting 81268082) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110000000110101110010
3
Ternary
12122220211211222
4
Quaternary
10312000311302
5
Quinary
131301034312
6
Senary
12021505042
8
Octal
466006562
10
Decimal
81268082
12
Duodecimal
23272182
16
Hexadecimal
4d80d72
20
Vigesimal
157ia42
36
Base36
1cduuq
md5
1842638643ae6e53cae39b16f7b7e546
sha1
c6f750f08e8cc9fd1b300a4aeb3aef0ba30c55ed
sha256
8f3eb196480fa9602fe3062e76006ce7461ef5477b90ec027eac0e43ad5635b3
sha512
7180b6290f67e3ff57ce0e4bce50f28d3fc4701dd3844e9a52d693adedbdbb7e445e2b81955f8949402b37d37313f91d3415f2f2d9c42eaba904396d77b21ae8
ripemd-160
e1a079825e8c24941eb994248037815550678ef5
Diameter
162536164
Circumference
510622418.76507
Area
2.0748652299619E+16
Volume
2.2482709019666E+24
Surface area
8.2994609198475E+16
Circumference
510622418.76507
Perimeter
325072328
Area
6604501151958724
Diagonal
114930423.75245
Surface area
39627006911752344
Volume
5.3673514118648E+23
Space diagonal
140760447.05767
Perimeter
243804246
Area
2.8598328884599E+15
Altitude
70380223.528837
Surface area
2.8598328884599E+15
Volume
6.3254843005679E+22
Height
38310141.250816