81495566 is an even 8-digits composite number following 81495565
and preceding 81495567 . In scientific notation, it is written as 8.1495566 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 40729960 positive integers (up to 81495566) that are relatively prime to 81495566.
81495566 has 8 divisors, whose sum is 122296824
The reverse of 81495566 is 66559418
Previous prime number is 2693
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-one million four hundred ninety-five thousand five hundred sixty-six
Scientific notation
8.1495566 × 10^7
Engineering notation
8.1495566 × 10^6
Prime Factorization
2 × 2693 × 15131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81495566
Product of the distinct prime numbers
The prime factorization of 81495566 is 2 × 2693 × 15131.
Since it has a total of 3 prime factors.
9 , 10 , 60 , 33 , 192 , 731 , 7343 , 7679 , 31328 , 1681 , 360656 , 398389 , 4188609 , 3556561 , 95263995 , 85069060 , 288176219 , 338553685 , 674117351 , 3576099551
n×2
162991132
n×3
244486698
n×4
325982264
n×5
407477830
n÷2
40747783
n÷3
27165188.666667
n÷3
20373891.5
n÷5
16299113.2
n2
6641527277660356
n3
5.4125502459737E+23
n4
4.4109884579907E+31
n5
3.5947600100342E+39
2 √n
9027.4894627466
3 √n
433.55546021419
4 √n
95.013101532086
5 √n
38.214378081531
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81495565
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81495566 can be divided by 8 positive divisors.
The sum of these divisors (counting 81495566) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110111000011000001110
3
Ternary
12200100101220022
4
Quaternary
10312320120032
5
Quinary
131330324231
6
Senary
12030422142
8
Octal
466703016
10
Decimal
81495566
12
Duodecimal
23361952
16
Hexadecimal
4db860e
20
Vigesimal
1596ii6
36
Base36
1ciqdq
md5
0bbc27dbdf6db093140d3689f0ab97b4
sha1
d67f682b8c0fa483151343ce6e06bf304c3d5994
sha256
00f2cee20fbff68f5ecfb5181fd8f095afc500f6b48bb00b8d977535820a036c
sha512
b9dbaa2fd66d0f5d8181aea7768cc1952d5c00f934f8d7f7cb267e8cb3a202cb1b875814af8ee123c228b891263fc1b8f686ddfd5c966f95c25cf2f83dcdbbb1
ripemd-160
e4417ea8d0286ef8655d551b25ab55d525fef5cc
Diameter
162991132
Circumference
512051742.89148
Area
2.0864973304114E+16
Volume
2.2672037453249E+24
Surface area
8.3459893216456E+16
Circumference
512051742.89148
Perimeter
325982264
Area
6641527277660356
Diagonal
115252134.71047
Surface area
39849163665962136
Volume
5.4125502459737E+23
Space diagonal
141154460.90358
Perimeter
244486698
Area
2.8758656711906E+15
Altitude
70577230.451791
Surface area
2.8758656711906E+15
Volume
6.3787516374015E+22
Height
38417378.236824