81314295 is an odd 8-digits composite number following 81314294
and preceding 81314296 . In scientific notation, it is written as 8.1314295 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 43049984 positive integers (up to 81314295) that are relatively prime to 81314295.
81314295 has 16 divisors, whose sum is 131055840
The reverse of 81314295 is 59241318
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million three hundred fourteen thousand two hundred ninety-five
Scientific notation
8.1314295 × 10^7
Engineering notation
8.1314295 × 10^6
Prime Factorization
5 × 3 × 137 × 39569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81314295
Product of the distinct prime numbers
The prime factorization of 81314295 is 5 × 3 × 137 × 39569.
Since it has a total of 4 prime factors.
4 , 1 , 14 , 25 , 859 , 576 , 9767 , 1777 , 60639 , 26678 , 365653 , 984932 , 3289436 , 4629901 , 90583699 , 71996721 , 862202188 , 627395700 , 8522003874 , 4243315141
n×2
162628590
n×3
243942885
n×4
325257180
n×5
406571475
n÷2
40657147.5
n÷3
27104765
n÷3
20328573.75
n÷5
16262859
n2
6612014571347025
n3
5.3765130339881E+23
n4
4.3718736691705E+31
n5
3.5549582523767E+39
2 √n
9017.4439282981
3 √n
433.23376838094
4 √n
94.960222874097
5 √n
38.197362849039
1 , 3 , 5 , 15 , 137 , 411 , 685 , 2055 , 39569 , 118707 , 197845 , 593535 , 5420953 , 16262859 , 27104765 , 81314295
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
-81314294
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 81314295 can be divided by 16 positive divisors.
The sum of these divisors (counting 81314295) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110001100000111110111
3
Ternary
12200000012020120
4
Quaternary
10312030013313
5
Quinary
131304024140
6
Senary
12022503023
8
Octal
466140767
10
Decimal
81314295
12
Duodecimal
23294a73
16
Hexadecimal
4d8c1f7
20
Vigesimal
15845ef
36
Base36
1ceuif
md5
213d506ef7176268618bc7fdcf4b6d86
sha1
2a15927b70c6ad47e161182a26bf8bb03a5db411
sha256
0795e9c743c52ec0724c77da5d6b45468945037ea5a89c27e549d8ded146b81a
sha512
eb924e023be5616c46f5851a57448f3526c3f2ab97fdf146080546b39c27244a0a2337da27dd4a5d0ea7ffdebc4a102a3dc237d96d6f85dd3de066bd041d6738
ripemd-160
748502433e7ba4296eefaea026652c7d353030ea
Diameter
162628590
Circumference
510912783.60767
Area
2.0772256402772E+16
Volume
2.2521085132676E+24
Surface area
8.308902561109E+16
Circumference
510912783.60767
Perimeter
325257180
Area
6612014571347025
Diagonal
114995778.80381
Surface area
39672087428082150
Volume
5.3765130339881E+23
Space diagonal
140840490.32164
Perimeter
243942885
Area
2.8630862944897E+15
Altitude
70420245.160822
Surface area
2.8630862944897E+15
Volume
6.3362813757847E+22
Height
38331926.267936