81013564 is an even 8-digits composite number following 81013563
and preceding 81013565 . In scientific notation, it is written as 8.1013564 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors.
There are 40506780 positive integers (up to 81013564) that are relatively prime to 81013564.
81013564 has 6 divisors, whose sum is 141773744
The reverse of 81013564 is 46531018
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million thirteen thousand five hundred sixty-four
Scientific notation
8.1013564 × 10^7
Engineering notation
8.1013564 × 10^6
Prime Factorization
2 × 2 × 20253391
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
40506782
Product of the distinct prime numbers
The prime factorization of 81013564 is 2 × 2 × 20253391.
Since it has a total of 3 prime factors.
3 , 4 , 87 , 67 , 762 , 33 , 4268 , 7412 , 89211 , 3254 , 871128 , 815435 , 3112149 , 4286972 , 53281276 , 4322864 , 179089532 , 188748481 , 8210910497 , 488881842
n×2
162027128
n×3
243040692
n×4
324054256
n×5
405067820
n÷2
40506782
n÷3
27004521.333333
n÷3
20253391
n÷5
16202712.8
n2
6563197551982096
n3
5.3170802492214E+23
n4
4.3075562106344E+31
n5
3.4897048075383E+39
2 √n
9000.7535240112
3 √n
432.6990211926
4 √n
94.872301142173
5 √n
38.169067301657
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81013563
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81013564 can be divided by 6 positive divisors.
The sum of these divisors (counting 81013564) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110101000010101100111100
3
Ternary
12122102220201101
4
Quaternary
10311002230330
5
Quinary
131214413224
6
Senary
12012222444
8
Octal
465025474
10
Decimal
81013564
12
Duodecimal
2316aa24
16
Hexadecimal
4d42b3c
20
Vigesimal
1566di4
36
Base36
1c8egs
md5
f63df578593d9ce3dd5d88104c08d443
sha1
4195960c37c304f7fa959189f2e91e06e7dec8a6
sha256
e6479736377cdfac0ba787b29c54f36a8197a8d0957481bb31f44d9ad0cbef4c
sha512
b15fd2e459ad1ec700910d4b7ffb8fec472006d1581072519c55855bb0d1aec4cc95c6ee35ad2ca7057cb0fe7f38313df932dd9ce8cca62b6de32bfa7f065889
ripemd-160
6187bc297361588cf7cb894d7d94edea210c8f3e
Diameter
162027128
Circumference
509023235.00705
Area
2.0618893213365E+16
Volume
2.2272133666002E+24
Surface area
8.2475572853462E+16
Circumference
509023235.00705
Perimeter
324054256
Area
6563197551982096
Diagonal
114570480.94498
Surface area
39379185311892576
Volume
5.3170802492214E+23
Space diagonal
140319608.95023
Perimeter
243040692
Area
2.8419479050362E+15
Altitude
70159804.475116
Surface area
2.8419479050362E+15
Volume
6.2662391672292E+22
Height
38190160.314994