81330658 is an even 8-digits composite number following 81330657
and preceding 81330659 . In scientific notation, it is written as 8.1330658 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 40150500 positive integers (up to 81330658) that are relatively prime to 81330658.
81330658 has 8 divisors, whose sum is 123540480
The reverse of 81330658 is 85603318
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million three hundred thirty thousand six hundred fifty-eight
Scientific notation
8.1330658 × 10^7
Engineering notation
8.1330658 × 10^6
Prime Factorization
2 × 79 × 514751
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81330658
Product of the distinct prime numbers
The prime factorization of 81330658 is 2 × 79 × 514751.
Since it has a total of 3 prime factors.
3 , 2 , 45 , 54 , 426 , 930 , 9379 , 5580 , 55968 , 23262 , 502790 , 581065 , 4462060 , 4862267 , 76243396 , 60573764 , 335983766 , 181146147 , 2035063341 , 1217673536
n×2
162661316
n×3
243991974
n×4
325322632
n×5
406653290
n÷2
40665329
n÷3
27110219.333333
n÷3
20332664.5
n÷5
16266131.6
n2
6614675930712964
n3
5.3797594590165E+23
n4
4.3753937668353E+31
n5
3.5585365406582E+39
2 √n
9018.351179678
3 √n
433.26282652992
4 √n
94.964999761375
5 √n
38.198900028066
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
-81330657
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 81330658 can be divided by 8 positive divisors.
The sum of these divisors (counting 81330658) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110010000000111100010
3
Ternary
12200001000200121
4
Quaternary
10312100013202
5
Quinary
131310040113
6
Senary
12023110454
8
Octal
466200742
10
Decimal
81330658
12
Duodecimal
232a242a
16
Hexadecimal
4d901e2
20
Vigesimal
15866ci
36
Base36
1cf74y
md5
6ecdbf2328ffa479604ac19f1c218980
sha1
61d204e9126800c2dbb0b924218d0be4912dd74a
sha256
c0d7520732f45d70d7bc72fd02a14a17acf92ff0a3ea280139ea2e49c299716e
sha512
03c40a4e8c2666f56fca1e5dcc35226848a0cb700a721aef5ebd26c9727c829ab765ea6129c5da03971dbcb6c035ea8b34b5a8debad31d2a34f0bebf70548e43
ripemd-160
11a37f480aa7c9f25837da74051e952e5d4131b9
Diameter
162661316
Circumference
511015595.36885
Area
2.0780617309805E+16
Volume
2.2534683726035E+24
Surface area
8.312246923922E+16
Circumference
511015595.36885
Perimeter
325322632
Area
6614675930712964
Diagonal
115018919.58033
Surface area
39688055584277784
Volume
5.3797594590165E+23
Space diagonal
140868831.86901
Perimeter
243991974
Area
2.8642386968995E+15
Altitude
70434415.934504
Surface area
2.8642386968995E+15
Volume
6.3401073243717E+22
Height
38339639.860109