81558082 is an even 8-digits composite number following 81558081
and preceding 81558083 . In scientific notation, it is written as 8.1558082 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 39975552 positive integers (up to 81558082) that are relatively prime to 81558082.
81558082 has 16 divisors, whose sum is 124768440
The reverse of 81558082 is 28085518
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million five hundred fifty-eight thousand eighty-two
Scientific notation
8.1558082 × 10^7
Engineering notation
8.1558082 × 10^6
Prime Factorization
2 × 73 × 173 × 3229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81558082
Product of the distinct prime numbers
The prime factorization of 81558082 is 2 × 73 × 173 × 3229.
Since it has a total of 4 prime factors.
3 , 7 , 53 , 58 , 57 , 381 , 5980 , 806 , 82827 , 39564 , 268524 , 513253 , 6477943 , 2683213 , 18084161 , 78542395 , 630308539 , 959567255 , 5303692333 , 3477130385
n×2
163116164
n×3
244674246
n×4
326232328
n×5
407790410
n÷2
40779041
n÷3
27186027.333333
n÷3
20389520.5
n÷5
16311616.4
n2
6651720739518724
n3
5.4250158551477E+23
n4
4.4245388796544E+31
n5
3.6085690475904E+39
2 √n
9030.9513341619
3 √n
433.66629334216
4 √n
95.031317649298
5 √n
38.220239203705
1 , 2 , 73 , 146 , 173 , 346 , 3229 , 6458 , 12629 , 25258 , 235717 , 471434 , 558617 , 1117234 , 40779041 , 81558082
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81558081
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81558082 can be divided by 16 positive divisors.
The sum of these divisors (counting 81558082) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111000111101001000010
3
Ternary
12200110120122201
4
Quaternary
10313013221002
5
Quinary
131334324312
6
Senary
12032023414
8
Octal
467075102
10
Decimal
81558082
12
Duodecimal
23391b6a
16
Hexadecimal
4dc7a42
20
Vigesimal
159ef42
36
Base36
1ck2ma
md5
ae6f85908c873cf551f2d0247edf333b
sha1
7aa4f9596be15c2048911a70e4d4079e54cd9ec2
sha256
ccc529adb0693f61b08d47f43cd0d15d050ab32f02b44de6973e506d46ca8f13
sha512
b74cdaf195b3a89d5f2151adb53d14ab27aace498183860a69f11bedac6680e66d0e15745fbe84b3c0778fd1e6d9a9831bfc4c1a600b38445fa86cf6b1a5cfa7
ripemd-160
f9b1f6e5de1e50e67a65e1082c4155e041e42409
Diameter
163116164
Circumference
512444542.50415
Area
2.0896997009003E+16
Volume
2.2724253274853E+24
Surface area
8.3587988036012E+16
Circumference
512444542.50415
Perimeter
326232328
Area
6651720739518724
Diagonal
115340545.68554
Surface area
39910324437112344
Volume
5.4250158551477E+23
Space diagonal
141262741.79187
Perimeter
244674246
Area
2.8802795696515E+15
Altitude
70631370.895934
Surface area
2.8802795696515E+15
Volume
6.3934424986991E+22
Height
38446848.561846