81353243 is an odd 8-digits prime number following 81353242
and preceding 81353244 . In scientific notation, it is written as 8.1353243 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 81353242 positive integers (up to 81353243) that are relatively prime to 81353243.
81353243 has 2 divisors, whose sum is 81353244
The reverse of 81353243 is 34235318
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 29 Digital Root 2
Name
eighty-one million three hundred fifty-three thousand two hundred forty-three
Scientific notation
8.1353243 × 10^7
Engineering notation
8.1353243 × 10^6
Prime Factorization
81353243
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
81353243 Product of the distinct prime numbers
The prime factorization of 81353243 is 81353243.
Since it has a total of 1 prime factors.
5 , 1 , 43 , 43 , 943 , 785 , 2562 , 5056 , 51541 , 14004 , 841469 , 477374 , 6021110 , 6177308 , 32692578 , 36384178 , 651675887 , 817422550 , 5683311186 , 3103214173
n×2
162706486
n×3
244059729
n×4
325412972
n×5
406766215
n÷2
40676621.5
n÷3
27117747.666667
n÷3
20338310.75
n÷5
16270648.6
n2
6618350146617049
n3
5.3842424773682E+23
n4
4.3802558663226E+31
n5
3.5634801989512E+39
2 √n9019.6032617849
3 √n433.30292758386
4 √n94.971591867173
5 √n38.201021310164
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
81353244 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
40676622 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9019.6033172197 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999754159 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81353243 can be divided by 2 positive divisors.
The sum of these divisors (counting 81353243) is 81353244, the average is 40676622.
Base
System
Value
2
Binary
100110110010101101000011011
3
Ternary
12200002011200002
4
Quaternary
10312111220123
5
Quinary
131311300433
6
Senary
12023403215
8
Octal
466255033
10
Decimal
81353243
12
Duodecimal
232b350b
16
Hexadecimal
4d95a1b
20
Vigesimal
1589323
36
Base36
1cfokb
md5
ab253fdb0c0f9714186ce58f2125e6a0
sha1
ebbe8d738722fa6f8ec9269cdf640846fe538d36
sha256
03939d44cac2dcbd3fae5ddd39212ffc9f65f9e7782feaafe53ef640af09722e
sha512
afa70d39bb176529abd7bfef9d357dbbbb682e5a33a1c95e28bf2c92ed950d0e34bf5994ee5fd01626888bd788e3936e77c219c2f3839c9a190b4a0b54b9952c
ripemd-160
09bdac36dda0cdd881b3ab8530d0b4567f8228e5
Diameter
162706486
Circumference
511157501.10901
Area
2.0792160199497E+16
Volume
2.2553462149395E+24
Surface area
8.3168640797988E+16
Circumference
511157501.10901
Perimeter
325412972
Area
6618350146617049
Diagonal
115050859.59363
Surface area
39710100879702294
Volume
5.3842424773682E+23
Space diagonal
140907950.2365
Perimeter
244059729
Area
2.8658296790554E+15
Altitude
70453975.118249
Surface area
2.8658296790554E+15
Volume
6.3453906121662E+22
Height
38350286.531211