81330149 is an odd 8-digits composite number following 81330148
and preceding 81330150 . In scientific notation, it is written as 8.1330149 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 80524800 positive integers (up to 81330149) that are relatively prime to 81330149.
81330149 has 4 divisors, whose sum is 82135500
The reverse of 81330149 is 94103318
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million three hundred thirty thousand one hundred forty-nine
Scientific notation
8.1330149 × 10^7
Engineering notation
8.1330149 × 10^6
Prime Factorization
101 × 805249
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81330149
Product of the distinct prime numbers
The prime factorization of 81330149 is 101 × 805249.
Since it has a total of 2 prime factors.
5 , 1 , 8 , 59 , 283 , 841 , 6499 , 5799 , 91864 , 25820 , 188717 , 416978 , 8997412 , 2075089 , 37088370 , 16599706 , 118588126 , 976164100 , 188302050 , 3362664854
n×2
162660298
n×3
243990447
n×4
325320596
n×5
406650745
n÷2
40665074.5
n÷3
27110049.666667
n÷3
20332537.25
n÷5
16266029.8
n2
6614593136362201
n3
5.3796584535472E+23
n4
4.375284235961E+31
n5
3.5584251882806E+39
2 √n
9018.3229593977
3 √n
433.26192268363
4 √n
94.964851178727
5 √n
38.198852215128
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81330148
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81330149 can be divided by 4 positive divisors.
The sum of these divisors (counting 81330149) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110001111111111100101
3
Ternary
12200000222222202
4
Quaternary
10312033333211
5
Quinary
131310031044
6
Senary
12023104245
8
Octal
466177745
10
Decimal
81330149
12
Duodecimal
232a2085
16
Hexadecimal
4d8ffe5
20
Vigesimal
1586579
36
Base36
1cf6qt
md5
f4f06179c0cbb6c471aa5f99719b14f4
sha1
f85ed383fa1d8e8a479fb5d1b302ccf3bc16da4a
sha256
ea85e226819de637d82df008fee6eeeeed1aba656227f0b806c63813f45ae88d
sha512
a0fd298505c4ebdd781b7eee93776ff15b8848a3c30888d9022344f066ae776307fa52d0cace21f114ef196097034bc395b6d384e0216d74b4e0dc08a7b7a739
ripemd-160
52bc01ee41c1d08394fb2066ed46bfab5b65fb47
Diameter
162660298
Circumference
511012397.22753
Area
2.0780357203681E+16
Volume
2.2534260635315E+24
Surface area
8.3121428814724E+16
Circumference
511012397.22753
Perimeter
325320596
Area
6614593136362201
Diagonal
115018199.74562
Surface area
39687558818173206
Volume
5.3796584535472E+23
Space diagonal
140867950.25515
Perimeter
243990447
Area
2.8642028458939E+15
Altitude
70433975.127574
Surface area
2.8642028458939E+15
Volume
6.3399882882845E+22
Height
38339399.915208