81140982 is an even 8-digits composite number following 81140981
and preceding 81140983 . In scientific notation, it is written as 8.1140982 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 23652000 positive integers (up to 81140982) that are relatively prime to 81140982.
81140982 has 16 divisors, whose sum is 133375872
The reverse of 81140982 is 28904118
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million one hundred forty thousand nine hundred eighty-two
Scientific notation
8.1140982 × 10^7
Engineering notation
8.1140982 × 10^6
Prime Factorization
2 × 57 × 13 × 54751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81140982
Product of the distinct prime numbers
The prime factorization of 81140982 is 2 × 57 × 13 × 54751.
Since it has a total of 4 prime factors.
1 , 7 , 16 , 49 , 595 , 327 , 3707 , 2658 , 17828 , 1565 , 680598 , 880871 , 2246946 , 1666811 , 91442976 , 60293613 , 348946681 , 815362291 , 1277213534 , 1515652236
n×2
162281964
n×3
243422946
n×4
324563928
n×5
405704910
n÷2
40570491
n÷3
27046994
n÷3
20285245.5
n÷5
16228196.4
n2
6583858959924324
n3
5.3422078135776E+23
n4
4.3347198804176E+31
n5
3.5172342779201E+39
2 √n
9007.8289282157
3 √n
432.92575180284
4 √n
94.909582910345
5 √n
38.181066204522
1 , 2 , 13 , 26 , 57 , 114 , 741 , 1482 , 54751 , 109502 , 711763 , 1423526 , 3120807 , 6241614 , 40570491 , 81140982
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
-81140981
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 81140982 can be divided by 16 positive divisors.
The sum of these divisors (counting 81140982) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101100001110011110110
3
Ternary
12122200101111120
4
Quaternary
10311201303312
5
Quinary
131233002412
6
Senary
12015044410
8
Octal
465416366
10
Decimal
81140982
12
Duodecimal
23210706
16
Hexadecimal
4d61cf6
20
Vigesimal
1572c92
36
Base36
1cb4s6
md5
f9baad5280dcd5a728701c76623ad49f
sha1
7d68baab08300fffedbec9c86c06bde7e6b50d2b
sha256
05a308f270de2e53cf45b9a1f478d9892ad6dbb0e9f81efe81cfca73f8a58c7a
sha512
d1045932f387d794f787f5bf265ab37dfceaecfadecfbe4f48a6d5d8fb914f0dc9ce177a23784dc955bfc0d86efb3a4fe9b7d48ebc13e1bae7509d254962d635
ripemd-160
d93548098d7aaa2e6f5eea0402aa3c8c9487b495
Diameter
162281964
Circumference
509823825.91252
Area
2.068380294077E+16
Volume
2.2377387761447E+24
Surface area
8.2735211763078E+16
Circumference
509823825.91252
Perimeter
324563928
Area
6583858959924324
Diagonal
114750677.20867
Surface area
39503153759545944
Volume
5.3422078135776E+23
Space diagonal
140540303.40003
Perimeter
243422946
Area
2.8508945571141E+15
Altitude
70270151.700016
Surface area
2.8508945571141E+15
Volume
6.2958522858141E+22
Height
38250225.736224