81336427 is an odd 8-digits prime number following 81336426
and preceding 81336428 . In scientific notation, it is written as 8.1336427 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 81336426 positive integers (up to 81336427) that are relatively prime to 81336427.
81336427 has 2 divisors, whose sum is 81336428
The reverse of 81336427 is 72463318
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 34 Digital Root 7
Name
eighty-one million three hundred thirty-six thousand four hundred twenty-seven
Scientific notation
8.1336427 × 10^7
Engineering notation
8.1336427 × 10^6
Prime Factorization
81336427
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
81336427 Product of the distinct prime numbers
The prime factorization of 81336427 is 81336427.
Since it has a total of 1 prime factors.
7 , 5 , 53 , 21 , 921 , 591 , 5168 , 1382 , 56786 , 94780 , 415961 , 337428 , 138591 , 9363474 , 31677533 , 94647441 , 331020253 , 344242907 , 6151883257 , 1752327096
n×2
162672854
n×3
244009281
n×4
325345708
n×5
406682135
n÷2
40668213.5
n÷3
27112142.333333
n÷3
20334106.75
n÷5
16267285.4
n2
6615614357126329
n3
5.3809043421856E+23
n4
4.3766353322216E+31
n5
3.5597988020486E+39
2 √n9018.6710218302
3 √n433.27307044946
4 √n94.966683746618
5 √n38.199441922617
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
81336428 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
40668214 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9018.6710772708 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999754108 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81336427 can be divided by 2 positive divisors.
The sum of these divisors (counting 81336427) is 81336428, the average is 40668214.
Base
System
Value
2
Binary
100110110010001100001101011
3
Ternary
12200001022121021
4
Quaternary
10312101201223
5
Quinary
131310231202
6
Senary
12023153311
8
Octal
466214153
10
Decimal
81336427
12
Duodecimal
232a5837
16
Hexadecimal
4d9186b
20
Vigesimal
1587117
36
Base36
1cfbl7
md5
4a85bbdeaa7df94a1d948848b30511f4
sha1
c44919c93a14b217f7ced3c682eb19a7571dea9f
sha256
a43c2864cb794bb668f565fe2b05a2839b9613b9a2edf7396899de1e9190c495
sha512
ed51fca27842d62e4668dc3f7883fbc7404043998749afba27fd0303c928be2315a6a2c5819602b6d1903a70f0274641f73aa3fe1e69978afa35726cf493ac6c
ripemd-160
197c892897ff74584341e130b2091c459f38db42
Diameter
162672854
Circumference
511051843.06489
Area
2.0783565463331E+16
Volume
2.2539479401439E+24
Surface area
8.3134261853325E+16
Circumference
511051843.06489
Perimeter
325345708
Area
6615614357126329
Diagonal
115027078.17837
Surface area
39693686142757974
Volume
5.3809043421856E+23
Space diagonal
140878824.07012
Perimeter
244009281
Area
2.8646450474562E+15
Altitude
70439412.035059
Surface area
2.8646450474562E+15
Volume
6.3414565821259E+22
Height
38342359.39279