81330358 is an even 8-digits composite number following 81330357
and preceding 81330359 . In scientific notation, it is written as 8.1330358 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 40092360 positive integers (up to 81330358) that are relatively prime to 81330358.
81330358 has 8 divisors, whose sum is 123714000
The reverse of 81330358 is 85303318
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million three hundred thirty thousand three hundred fifty-eight
Scientific notation
8.1330358 × 10^7
Engineering notation
8.1330358 × 10^6
Prime Factorization
2 × 71 × 572749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81330358
Product of the distinct prime numbers
The prime factorization of 81330358 is 2 × 71 × 572749.
Since it has a total of 3 prime factors.
6 , 5 , 56 , 42 , 675 , 51 , 138 , 8681 , 52676 , 58707 , 480153 , 227435 , 4703991 , 5115591 , 35824178 , 96947439 , 361637170 , 464634662 , 150902787 , 2976058524
n×2
162660716
n×3
243991074
n×4
325321432
n×5
406651790
n÷2
40665179
n÷3
27110119.333333
n÷3
20332589.5
n÷5
16266071.6
n2
6614627132408164
n3
5.3796999271527E+23
n4
4.375329210079E+31
n5
3.5584709102358E+39
2 √n
9018.3345469105
3 √n
433.26229381154
4 √n
94.964912188189
5 √n
38.198871847582
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81330357
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81330358 can be divided by 8 positive divisors.
The sum of these divisors (counting 81330358) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110010000000010110110
3
Ternary
12200001000021111
4
Quaternary
10312100002312
5
Quinary
131310032413
6
Senary
12023105234
8
Octal
466200266
10
Decimal
81330358
12
Duodecimal
232a221a
16
Hexadecimal
4d900b6
20
Vigesimal
15865hi
36
Base36
1cf6wm
md5
24476f33e158a5cb3dc0d39eda8e7a48
sha1
b2ba901e1d65eff1840f84d2c657fc59dd636278
sha256
07cc4d158c790f185da5bae8a6d1b71d5673ee73d1e3d279c3e5facbc700d889
sha512
8bb509c2577d97f687121cf6a66675205ce513675bf3b1c598faad11fa642ce033d6cc927bbae45ef502f284c8804375e69cd193ce8208672f08448e63f0a05f
ripemd-160
f6113a5c3d106bba40769106d49048a0e5760706
Diameter
162660716
Circumference
511013710.41326
Area
2.0780464005409E+16
Volume
2.2534434359547E+24
Surface area
8.3121856021637E+16
Circumference
511013710.41326
Perimeter
325321432
Area
6614627132408164
Diagonal
115018495.31626
Surface area
39687762794448984
Volume
5.3796999271527E+23
Space diagonal
140868312.25377
Perimeter
243991074
Area
2.8642175666136E+15
Altitude
70434156.126883
Surface area
2.8642175666136E+15
Volume
6.3400371653974E+22
Height
38339498.438753