81435441 is an odd 8-digits composite number following 81435440
and preceding 81435442 . In scientific notation, it is written as 8.1435441 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 54290292 positive integers (up to 81435441) that are relatively prime to 81435441.
81435441 has 4 divisors, whose sum is 108580592
The reverse of 81435441 is 14453418
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million four hundred thirty-five thousand four hundred forty-one
Scientific notation
8.1435441 × 10^7
Engineering notation
8.1435441 × 10^6
Prime Factorization
3 × 27145147
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81435441
Product of the distinct prime numbers
The prime factorization of 81435441 is 3 × 27145147.
Since it has a total of 2 prime factors.
1 , 2 , 51 , 86 , 345 , 331 , 2985 , 848 , 99662 , 20627 , 761027 , 936538 , 6881020 , 602306 , 66178613 , 16616548 , 177972329 , 273885099 , 9951406099 , 9139948228
n×2
162870882
n×3
244306323
n×4
325741764
n×5
407177205
n÷2
40717720.5
n÷3
27145147
n÷3
20358860.25
n÷5
16287088.2
n2
6631731050864481
n3
5.4005794272054E+23
n4
4.3979856731E+31
n5
3.5815190280058E+39
2 √n
9024.1587419548
3 √n
433.44881254991
4 √n
94.995572222893
5 √n
38.208737730903
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
-81435440
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 81435441 can be divided by 4 positive divisors.
The sum of these divisors (counting 81435441) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110101001101100110001
3
Ternary
12200020100102110
4
Quaternary
10312221230301
5
Quinary
131321413231
6
Senary
12025235533
8
Octal
466515461
10
Decimal
81435441
12
Duodecimal
23332ba9
16
Hexadecimal
4da9b31
20
Vigesimal
158j8c1
36
Base36
1chfzl
md5
cb8d077f60712b7d33131d480b165b1f
sha1
b219b2a13cd44328de82d8123dd29d526a506dec
sha256
28e9f5f6c07c043b38087a4a745747f52e4d3483fa03301e629a999fb2e8a9df
sha512
564949289b9812f6a9b2893c7935efbd0c35e4e6c02daf99d93f7182f15ff527d58662833e8b40302777f243a1ea05184cf8b3888a7e823bae63ed3ce8356f3e
ripemd-160
48397b0f4be43e003314666b4c9d539f5a867678
Diameter
162870882
Circumference
511673966.37489
Area
2.0834197549979E+16
Volume
2.2621894204849E+24
Surface area
8.3336790199917E+16
Circumference
511673966.37489
Perimeter
325741764
Area
6631731050864481
Diagonal
115167105.12003
Surface area
39790386305186886
Volume
5.4005794272054E+23
Space diagonal
141050321.34878
Perimeter
244306323
Area
2.8716237805574E+15
Altitude
70525160.674389
Surface area
2.8716237805574E+15
Volume
6.3646438921892E+22
Height
38389035.040011