81168082 is an even 8-digits composite number following 81168081
and preceding 81168083 . In scientific notation, it is written as 8.1168082 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 40584040 positive integers (up to 81168082) that are relatively prime to 81168082.
81168082 has 4 divisors, whose sum is 121752126
The reverse of 81168082 is 28086118
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 one hundred sixty-eight thousand eighty-two
Scientific notation
8.1168082 × 10^7
Engineering notation
8.1168082 × 10^6
Prime Factorization
2 × 40584041
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81168082
Product of the distinct prime numbers
The prime factorization of 81168082 is 2 × 40584041.
Since it has a total of 2 prime factors.
6 , 10 , 86 , 8 , 261 , 37 , 5511 , 3451 , 1942 , 68153 , 448850 , 481907 , 1239190 , 6032924 , 44661204 , 63027580 , 877999141 , 939535470 , 6582726733 , 1500368942
n×2
162336164
n×3
243504246
n×4
324672328
n×5
405840410
n÷2
40584041
n÷3
27056027.333333
n÷3
20292020.5
n÷5
16233616.4
n2
6588257535558724
n3
5.3475622788335E+23
n4
4.3405137354846E+31
n5
3.5231117480394E+39
2 √n
9009.3330496769
3 √n
432.97394357016
4 √n
94.91750655004
5 √n
38.183616256703
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
-81168081
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 81168082 can be divided by 4 positive divisors.
The sum of these divisors (counting 81168082) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101101000011011010010
3
Ternary
12122201202200021
4
Quaternary
10311220123102
5
Quinary
131234334312
6
Senary
12015414054
8
Octal
465503322
10
Decimal
81168082
12
Duodecimal
2322432a
16
Hexadecimal
4d686d2
20
Vigesimal
1576042
36
Base36
1cbpoy
md5
20f0236ce6a05ed8523813b1fa6613ce
sha1
fc9707c835dcfd3d8d42ee06313479bc8a989b3c
sha256
bfaeedfa8bb299075c338e8d9e1a6236f6576c255817d319144f8a06488ce8d9
sha512
a7f094db08e1c874f439d4660efab1ea0ad1e53144c163784336af83c5fa2abc4e5b6420a3ad8181181a8d8b211eb7362ad0b66da9ad64a978932cf0d8ef8ec2
ripemd-160
932bb8046e76202b562e52fa769f9c9b96ac6a1c
Diameter
162336164
Circumference
509994100.23435
Area
2.0697621473669E+16
Volume
2.2399816493063E+24
Surface area
8.2790485894676E+16
Circumference
509994100.23435
Perimeter
324672328
Area
6588257535558724
Diagonal
114789002.39621
Surface area
39529545213352344
Volume
5.3475622788335E+23
Space diagonal
140587241.97692
Perimeter
243504246
Area
2.8527991962341E+15
Altitude
70293620.988458
Surface area
2.8527991962341E+15
Volume
6.3021625836342E+22
Height
38263000.798737