81013566 is an even 8-digits composite number following 81013565
and preceding 81013567 . In scientific notation, it is written as 8.1013566 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 26989824 positive integers (up to 81013566) that are relatively prime to 81013566.
81013566 has 16 divisors, whose sum is 162115344
The reverse of 81013566 is 66531018
Previous prime number is 3733
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million thirteen thousand five hundred sixty-six
Scientific notation
8.1013566 × 10^7
Engineering notation
8.1013566 × 10^6
Prime Factorization
2 × 3 × 3733 × 3617
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81013566
Product of the distinct prime numbers
The prime factorization of 81013566 is 2 × 3 × 3733 × 3617.
Since it has a total of 4 prime factors.
6 , 3 , 62 , 27 , 481 , 738 , 9320 , 3585 , 86483 , 55278 , 415752 , 114639 , 6545870 , 3306124 , 74382374 , 9392980 , 940629385 , 12571674 , 7787645927 , 6138024924
n×2
162027132
n×3
243040698
n×4
324054264
n×5
405067830
n÷2
40506783
n÷3
27004522
n÷3
20253391.5
n÷5
16202713.2
n2
6563197876036356
n3
5.3170806430133E+23
n4
4.3075566360008E+31
n5
3.4897052382939E+39
2 √n
9000.753635113
3 √n
432.69902475331
4 √n
94.872301727707
5 √n
38.169067490114
1 , 2 , 3 , 6 , 3617 , 3733 , 7234 , 7466 , 10851 , 11199 , 21702 , 22398 , 13502261 , 27004522 , 40506783 , 81013566
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
-81013565
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 81013566 can be divided by 16 positive divisors.
The sum of these divisors (counting 81013566) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101000010101100111110
3
Ternary
12122102220201110
4
Quaternary
10311002230332
5
Quinary
131214413231
6
Senary
12012222450
8
Octal
465025476
10
Decimal
81013566
12
Duodecimal
2316aa26
16
Hexadecimal
4d42b3e
20
Vigesimal
1566di6
36
Base36
1c8egu
md5
5259b4463bd972034446b83dff5af986
sha1
4b3efef754d8e3a70811b010ba73ebc98e3881b8
sha256
c779007fc7d36adb9301bb0047672d876203e46a7ceabccf4feaaa9ad7063dd1
sha512
ca4a1047be77152306de8541df0d1c1ccf46a763bd93fcebfe7fcde5c7bb726c29f1cccc32e790057f73074a5beee75bb41949a9e8a85256f38685b08e01688e
ripemd-160
5ee36bfc45a581c02924fe9edefdf55b31162968
Diameter
162027132
Circumference
509023247.57342
Area
2.0618894231412E+16
Volume
2.2272135315513E+24
Surface area
8.2475576925648E+16
Circumference
509023247.57342
Perimeter
324054264
Area
6563197876036356
Diagonal
114570483.77341
Surface area
39379187256218136
Volume
5.3170806430133E+23
Space diagonal
140319612.41433
Perimeter
243040698
Area
2.8419480453558E+15
Altitude
70159806.207167
Surface area
2.8419480453558E+15
Volume
6.2662396313174E+22
Height
38190161.257803