81528082 is an even 8-digits composite number following 81528081
and preceding 81528083 . In scientific notation, it is written as 8.1528082 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 40764040 positive integers (up to 81528082) that are relatively prime to 81528082.
81528082 has 4 divisors, whose sum is 122292126
The reverse of 81528082 is 28082518
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million five hundred twenty-eight thousand eighty-two
Scientific notation
8.1528082 × 10^7
Engineering notation
8.1528082 × 10^6
Prime Factorization
2 × 40764041
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81528082
Product of the distinct prime numbers
The prime factorization of 81528082 is 2 × 40764041.
Since it has a total of 2 prime factors.
3 , 8 , 89 , 13 , 713 , 444 , 7271 , 2117 , 43258 , 52475 , 832937 , 316167 , 4688325 , 5519258 , 19757076 , 26433022 , 375901 , 732021621 , 6827788385 , 5381847555
n×2
163056164
n×3
244584246
n×4
326112328
n×5
407640410
n÷2
40764041
n÷3
27176027.333333
n÷3
20382020.5
n÷5
16305616.4
n2
6646828154598724
n3
5.4190315082803E+23
n4
4.4180324516766E+31
n5
3.6019371199895E+39
2 √n
9029.2902268119
3 √n
433.61311412727
4 √n
95.022577458264
5 √n
38.217427033799
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81528081
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81528082 can be divided by 4 positive divisors.
The sum of these divisors (counting 81528082) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111000000010100010010
3
Ternary
12200102001111121
4
Quaternary
10313000110102
5
Quinary
131332344312
6
Senary
12031232454
8
Octal
467002422
10
Decimal
81528082
12
Duodecimal
2337872a
16
Hexadecimal
4dc0512
20
Vigesimal
159b042
36
Base36
1cjfgy
md5
46f7a1fc32ce61fab74455380cd65e42
sha1
937a99b80db217fd9dfb690bb4bc10d484067814
sha256
ee55474b1b91705dd324606e3fd601fe16dff9c6398ca90048c4446aded3ef5f
sha512
2e64a0227f0a519c64afd49262b94f331c7a09867d3732d5bec3c860aa755f47367b89605126e0f912be865369978fb16d82ef4bb100fb26bb609abce35696c8
ripemd-160
623f931fe5f19f206eded0cf14e3268744b85679
Diameter
163056164
Circumference
512256046.94493
Area
2.0881626500161E+16
Volume
2.2699186101313E+24
Surface area
8.3526506000645E+16
Circumference
512256046.94493
Perimeter
326112328
Area
6646828154598724
Diagonal
115298119.27867
Surface area
39880968927592344
Volume
5.4190315082803E+23
Space diagonal
141210780.26764
Perimeter
244584246
Area
2.8781610182361E+15
Altitude
70605390.133821
Surface area
2.8781610182361E+15
Volume
6.386389878281E+22
Height
38432706.426222