81330774 is an even 8-digits composite number following 81330773
and preceding 81330775 . In scientific notation, it is written as 8.1330774 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 22742400 positive integers (up to 81330774) that are relatively prime to 81330774.
81330774 has 32 divisors, whose sum is 189858816
The reverse of 81330774 is 47703318
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million three hundred thirty thousand seven hundred seventy-four
Scientific notation
8.1330774 × 10^7
Engineering notation
8.1330774 × 10^6
Prime Factorization
2 × 3 × 7 × 47 × 41201
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81330774
Product of the distinct prime numbers
The prime factorization of 81330774 is 2 × 3 × 7 × 47 × 41201.
Since it has a total of 5 prime factors.
7 , 4 , 55 , 52 , 577 , 967 , 6189 , 3650 , 86455 , 84218 , 67014 , 709120 , 3940292 , 8874899 , 76985846 , 28117957 , 37776706 , 138183021 , 8728169460 , 8448486395
n×2
162661548
n×3
243992322
n×4
325323096
n×5
406653870
n÷2
40665387
n÷3
27110258
n÷3
20332693.5
n÷5
16266154.8
n2
6614694799439076
n3
5.3797824781215E+23
n4
4.3754187289726E+31
n5
3.5585619180144E+39
2 √n
9018.3576110066
3 √n
433.263032514
4 √n
94.965033622942
5 √n
38.198910924498
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 47 , 94 , 141 , 282 , 329 , 658 , 987 , 1974 , 41201 , 82402 , 123603 , 247206 , 288407 , 576814 , 865221 , 1730442 , 1936447 , 3872894 , 5809341 , 11618682 , 13555129 , 27110258 , 40665387 , 81330774
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81330773
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81330774 can be divided by 32 positive divisors.
The sum of these divisors (counting 81330774) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010000001001010110
3
Ternary
12200001000211220
4
Quaternary
10312100021112
5
Quinary
131310041044
6
Senary
12023111210
8
Octal
466201126
10
Decimal
81330774
12
Duodecimal
232a2506
16
Hexadecimal
4d90256
20
Vigesimal
15866ie
36
Base36
1cf786
md5
5cfaf65f6f13236da2ddd3a7c4e7d637
sha1
49b8097aa6f9d613815c1ee022542f271b0493f2
sha256
fa2138df1d6c99bc32007dd878bed7f066d196e5fd272f40872baf0e5b58d8b3
sha512
a856efe6e3853f97376cabb4587f416f83b124df0a606f4da1511af6fcb5c29a9480b4c853ce0a1e9ef166c12533ac00de26bcf21833b6df3908e5884be4b230
ripemd-160
84aa3f76f91823634342c733ab6e74490bf27cbd
Diameter
162661548
Circumference
511016324.21834
Area
2.0780676587656E+16
Volume
2.2534780148237E+24
Surface area
8.3122706350626E+16
Circumference
511016324.21834
Perimeter
325323096
Area
6614694799439076
Diagonal
115019083.6291
Surface area
39688168796634456
Volume
5.3797824781215E+23
Space diagonal
140869032.7869
Perimeter
243992322
Area
2.8642468672975E+15
Altitude
70434516.393451
Surface area
2.8642468672975E+15
Volume
6.3401344526472E+22
Height
38339694.543034