81124295 is an odd 8-digits composite number following 81124294
and preceding 81124296 . In scientific notation, it is written as 8.1124295 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 55551744 positive integers (up to 81124295) that are relatively prime to 81124295.
81124295 has 16 divisors, whose sum is 111408960
The reverse of 81124295 is 59242118
Previous prime number is 2053
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million one hundred twenty-four thousand two hundred ninety-five
Scientific notation
8.1124295 × 10^7
Engineering notation
8.1124295 × 10^6
Prime Factorization
5 × 7 × 2053 × 1129
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81124295
Product of the distinct prime numbers
The prime factorization of 81124295 is 5 × 7 × 2053 × 1129.
Since it has a total of 4 prime factors.
4 , 9 , 60 , 48 , 636 , 735 , 3016 , 4931 , 62961 , 59301 , 52946 , 223972 , 8094026 , 3968227 , 72787970 , 91729173 , 347769250 , 523580448 , 9098972051 , 395909016
n×2
162248590
n×3
243372885
n×4
324497180
n×5
405621475
n÷2
40562147.5
n÷3
27041431.666667
n÷3
20281073.75
n÷5
16224859
n2
6581151239247025
n3
5.3389125457229E+23
n4
4.3311551633843E+31
n5
3.5136190916516E+39
2 √n
9006.9026307605
3 √n
432.89607207286
4 √n
94.904702890639
5 √n
38.179495654465
1 , 5 , 7 , 35 , 1129 , 2053 , 5645 , 7903 , 10265 , 14371 , 39515 , 71855 , 2317837 , 11589185 , 16224859 , 81124295
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
-81124294
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 81124295 can be divided by 16 positive divisors.
The sum of these divisors (counting 81124295) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011101101111000111
3
Ternary
12122122112121112
4
Quaternary
10311131233013
5
Quinary
131231434140
6
Senary
12014435235
8
Octal
465355707
10
Decimal
81124295
12
Duodecimal
23202b1b
16
Hexadecimal
4d5dbc7
20
Vigesimal
1570aef
36
Base36
1carwn
md5
9cb2f69f3310a88724688c6ea9ded8e5
sha1
10936c9db5abd551c91c19259fd3d81f5435bef5
sha256
d3a0caf28cb8018348615b1e3c7ac084126d0199b0202028d74947331d980ca7
sha512
f7eef83e85cb3d83acc60f28cebdee84d2b83dcb0f422d066d47ffcd081411d7b5a605c42885ffcc8fff7d15e4fa1a904d10b48a320ddd93da7031b145406801
ripemd-160
c3e917d84262c0daecea9f1c504bd969987e05e4
Diameter
162248590
Circumference
509718978.3993
Area
2.0675296385382E+16
Volume
2.2363584575735E+24
Surface area
8.2701185541527E+16
Circumference
509718978.3993
Perimeter
324497180
Area
6581151239247025
Diagonal
114727078.22696
Surface area
39486907435482150
Volume
5.3389125457229E+23
Space diagonal
140511400.66821
Perimeter
243372885
Area
2.8497220796677E+15
Altitude
70255700.334103
Surface area
2.8497220796677E+15
Volume
6.2919687754043E+22
Height
38242359.408985