81441566 is an even 8-digits composite number following 81441565
and preceding 81441567 . In scientific notation, it is written as 8.1441566 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 40611240 positive integers (up to 81441566) that are relatively prime to 81441566.
81441566 has 8 divisors, whose sum is 122490984
The reverse of 81441566 is 66514418
Previous prime number is 373
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million four hundred forty-one thousand five hundred sixty-six
Scientific notation
8.1441566 × 10^7
Engineering notation
8.1441566 × 10^6
Prime Factorization
2 × 373 × 109171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81441566
Product of the distinct prime numbers
The prime factorization of 81441566 is 2 × 373 × 109171.
Since it has a total of 3 prime factors.
4 , 7 , 38 , 42 , 909 , 136 , 3170 , 536 , 11922 , 34373 , 552242 , 467004 , 3346217 , 1115055 , 35392140 , 10778490 , 65464485 , 65892778 , 9703876406 , 5423956265
n×2
162883132
n×3
244324698
n×4
325766264
n×5
407207830
n÷2
40720783
n÷3
27147188.666667
n÷3
20360391.5
n÷5
16288313.2
n2
6632728672532356
n3
5.4017980994414E+23
n4
4.3993089643433E+31
n5
3.5828661137396E+39
2 √n
9024.4981023877
3 √n
433.45967926587
4 √n
94.997358396893
5 √n
38.209312472011
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
-81441565
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 81441566 can be divided by 8 positive divisors.
The sum of these divisors (counting 81441566) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110101011001100011110
3
Ternary
12200020122211022
4
Quaternary
10312223030132
5
Quinary
131322112231
6
Senary
12025324142
8
Octal
466531436
10
Decimal
81441566
12
Duodecimal
23336652
16
Hexadecimal
4dab31e
20
Vigesimal
15903i6
36
Base36
1chkpq
md5
5c5bd39050f13d5018b85ada790dcfb5
sha1
5a58941e53046aa3609aa7d90f0d9534613fad13
sha256
2f2bb1a53542da3462b5b938d2c05599d3f50ad671b593eb433e27cea4051dd9
sha512
ce4e4bf16d0ff802ff764be2ccca18bec35a9b68ac9f15c849ab3a4fd5252be7be70c1af436249a052f5bfd4304768afc12046e8ab26bb7c93c7bc2a1ba1dc2e
ripemd-160
19642eed757025619e3f2c191829f50837fc778f
Diameter
162883132
Circumference
511712450.8849
Area
2.0837331670882E+16
Volume
2.2626998967174E+24
Surface area
8.3349326683528E+16
Circumference
511712450.8849
Perimeter
325766264
Area
6632728672532356
Diagonal
115175767.1781
Surface area
39796372035194136
Volume
5.4017980994414E+23
Space diagonal
141060930.15997
Perimeter
244324698
Area
2.8720557634112E+15
Altitude
70530465.079987
Surface area
2.8720557634112E+15
Volume
6.3660801111927E+22
Height
38391922.392701