81004061 is an odd 8-digits composite number following 81004060
and preceding 81004062 . In scientific notation, it is written as 8.1004061 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 80941692 positive integers (up to 81004061) that are relatively prime to 81004061.
81004061 has 4 divisors, whose sum is 81066432
The reverse of 81004061 is 16040018
Previous prime number is 1327
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
eighty-one million four thousand sixty-one
Scientific notation
8.1004061 × 10^7
Engineering notation
8.1004061 × 10^6
Prime Factorization
1327 × 61043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81004061
Product of the distinct prime numbers
The prime factorization of 81004061 is 1327 × 61043.
Since it has a total of 2 prime factors.
3 , 8 , 16 , 78 , 991 , 380 , 8311 , 4667 , 73397 , 42841 , 483274 , 972466 , 5788554 , 3354215 , 73143806 , 62389816 , 657311916 , 401817436 , 6278116959 , 1934003613
n×2
162008122
n×3
243012183
n×4
324016244
n×5
405020305
n÷2
40502030.5
n÷3
27001353.666667
n÷3
20251015.25
n÷5
16200812.2
n2
6561657898491721
n3
5.3152093667056E+23
n4
4.3055354376839E+31
n5
3.4876585523181E+39
2 √n
9000.2256082834
3 √n
432.68210180534
4 √n
94.869518857657
5 √n
38.168171803054
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81004060
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81004061 can be divided by 4 positive divisors.
The sum of these divisors (counting 81004061) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101000000011000011101
3
Ternary
12122102102200102
4
Quaternary
10311000120131
5
Quinary
131214112221
6
Senary
12012110445
8
Octal
465003035
10
Decimal
81004061
12
Duodecimal
23165425
16
Hexadecimal
4d4061d
20
Vigesimal
1565a31
36
Base36
1c874t
md5
a075e2b86e87a7660b89da3c09e4f326
sha1
2e9d10c3828da58106fea3edf7b847d7adb813bc
sha256
ce08a302cdcc275f65d418daf5ee9e0e6c159c5ade41e05cc48cbee8309abe67
sha512
a5ee5838761047c4cf042bd761d1b332514e32e6bd8ab88eed32715e48cfa4b5edb4cafbe3dd6562d1a22d801e76bfaf0338c86f5f16dbd0716a876125bdbc9f
ripemd-160
fbdb45586bd27e2fee173dac5543c625f753f5b1
Diameter
162008122
Circumference
508963525.89708
Area
2.0614056249271E+16
Volume
2.2264296931645E+24
Surface area
8.2456224997084E+16
Circumference
508963525.89708
Perimeter
324016244
Area
6561657898491721
Diagonal
114557041.6735
Surface area
39369947390950326
Volume
5.3152093667056E+23
Space diagonal
140303149.27141
Perimeter
243012183
Area
2.8412812155183E+15
Altitude
70151574.635704
Surface area
2.8412812155183E+15
Volume
6.2640343110396E+22
Height
38185680.557833