81738229 is an odd 8-digits prime number following 81738228
and preceding 81738230 . In scientific notation, it is written as 8.1738229 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 81738228 positive integers (up to 81738229) that are relatively prime to 81738229.
81738229 has 2 divisors, whose sum is 81738230
The reverse of 81738229 is 92283718
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million seven hundred thirty-eight thousand two hundred twenty-nine
Scientific notation
8.1738229 × 10^7
Engineering notation
8.1738229 × 10^6
Prime Factorization
81738229
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81738229
Product of the distinct prime numbers
The prime factorization of 81738229 is 81738229.
Since it has a total of 1 prime factors.
2 , 1 , 21 , 14 , 958 , 543 , 9888 , 4898 , 86567 , 82420 , 414134 , 362296 , 1339775 , 2511682 , 18706794 , 45000106 , 597973095 , 715338214 , 8116853229 , 9952408148
n×2
163476458
n×3
245214687
n×4
326952916
n×5
408691145
n÷2
40869114.5
n÷3
27246076.333333
n÷3
20434557.25
n÷5
16347645.8
n2
6681138080056441
n3
5.4610439436827E+23
n4
4.463760604478E+31
n5
3.6485988649E+39
2 √n
9040.9196987917
3 √n
433.98535525063
4 √n
95.083750971403
5 √n
38.237108619944
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81738230
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40869115
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9040.9197540958
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999755316
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81738229 can be divided by 2 positive divisors.
The sum of these divisors (counting 81738229) is 81738230, the average is 40869115.
Base
System
Value
2
Binary
100110111110011100111110101
3
Ternary
12200210201202211
4
Quaternary
10313303213311
5
Quinary
131411110404
6
Senary
12035533421
8
Octal
467634765
10
Decimal
81738229
12
Duodecimal
2345a271
16
Hexadecimal
4df39f5
20
Vigesimal
15ah5b9
36
Base36
1cnxmd
md5
d9381eea3b12a1bd1fbe1632413de56f
sha1
c9b1a2dcc1580f2aa2d50a11128872fba40aada1
sha256
ee35ee076ba2bbff347b85415cec1fcdddf15748f4346282070b8794f1f66d1e
sha512
9b66dd937b202e711695bfcf9d8c7adb9915feee87cefbf9810d48e2bacf035e3c231c40f67c060e300ab977e1721f47c8da9c6f380462fbdde8817b691d53a8
ripemd-160
869bf18b595b9320f48e30a5dc2856393bd76bce
Diameter
163476458
Circumference
513576439.48768
Area
2.0989414309924E+16
Volume
2.2875167379206E+24
Surface area
8.3957657239697E+16
Circumference
513576439.48768
Perimeter
326952916
Area
6681138080056441
Diagonal
115595312.01616
Surface area
40086828480338646
Volume
5.4610439436827E+23
Space diagonal
141574765.5487
Perimeter
245214687
Area
2.8930176517602E+15
Altitude
70787382.77435
Surface area
2.8930176517602E+15
Volume
6.4359020082263E+22
Height
38531770.672053