81125061 is an odd 8-digits composite number following 81125060
and preceding 81125062 . In scientific notation, it is written as 8.1125061 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 54036912 positive integers (up to 81125061) that are relatively prime to 81125061.
81125061 has 8 divisors, whose sum is 108259680
The reverse of 81125061 is 16052118
Previous prime number is 1229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million one hundred twenty-five thousand sixty-one
Scientific notation
8.1125061 × 10^7
Engineering notation
8.1125061 × 10^6
Prime Factorization
3 × 1229 × 22003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81125061
Product of the distinct prime numbers
The prime factorization of 81125061 is 3 × 1229 × 22003.
Since it has a total of 3 prime factors.
4 , 2 , 12 , 70 , 397 , 881 , 976 , 3808 , 20835 , 98711 , 157555 , 273908 , 541760 , 8905083 , 37677881 , 34037130 , 851812956 , 984514477 , 7624619513 , 6500420290
n×2
162250122
n×3
243375183
n×4
324500244
n×5
405625305
n÷2
40562530.5
n÷3
27041687
n÷3
20281265.25
n÷5
16225012.2
n2
6581275522253721
n3
5.3390637820064E+23
n4
4.3313187499816E+31
n5
3.513784978027E+39
2 √n
9006.9451536023
3 √n
432.89743458022
4 √n
94.904926919535
5 √n
38.17956775465
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81125060
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81125061 can be divided by 8 positive divisors.
The sum of these divisors (counting 81125061) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011101111011000101
3
Ternary
12122122120122220
4
Quaternary
10311131323011
5
Quinary
131232000221
6
Senary
12014442553
8
Octal
465357305
10
Decimal
81125061
12
Duodecimal
23203459
16
Hexadecimal
4d5dec5
20
Vigesimal
1570cd1
36
Base36
1cashx
md5
b39af4c4238842428ca9523d67b159fa
sha1
78ac9682f90f41bd9caadeb05703042605e77fe1
sha256
bf34390822b79e23842ee9c9eb951cee440b5cc0618508e74b0a058d0abe1dbf
sha512
b85c9b50d1d8a90def8eccc64a000030a6154bf94a3e77084c840bf2fd103f32ed32a1c3d11532f1068459088e1b898832a60d153c77166a56963216f92016fc
ripemd-160
a1df41b30f9b811be8a558b8b89673e6f91b682f
Diameter
162250122
Circumference
509723791.31925
Area
2.0675686831963E+16
Volume
2.2364218072798E+24
Surface area
8.270274732785E+16
Circumference
509723791.31925
Perimeter
324500244
Area
6581275522253721
Diagonal
114728161.51454
Surface area
39487653133522326
Volume
5.3390637820064E+23
Space diagonal
140512727.41912
Perimeter
243375183
Area
2.8497758957882E+15
Altitude
70256363.709562
Surface area
2.8497758957882E+15
Volume
6.2921470090737E+22
Height
38242720.504848