81043959 is an odd 8-digits composite number following 81043958
and preceding 81043960 . In scientific notation, it is written as 8.1043959 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 54029304 positive integers (up to 81043959) that are relatively prime to 81043959.
81043959 has 4 divisors, whose sum is 108058616
The reverse of 81043959 is 95934018
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million forty-three thousand nine hundred fifty-nine
Scientific notation
8.1043959 × 10^7
Engineering notation
8.1043959 × 10^6
Prime Factorization
3 × 27014653
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81043959
Product of the distinct prime numbers
The prime factorization of 81043959 is 3 × 27014653.
Since it has a total of 2 prime factors.
8 , 7 , 43 , 36 , 403 , 447 , 1822 , 1132 , 42826 , 58321 , 929220 , 371529 , 4045782 , 4375543 , 99135971 , 36273610 , 826329520 , 623975813 , 9928383282 , 5937075384
n×2
162087918
n×3
243131877
n×4
324175836
n×5
405219795
n÷2
40521979.5
n÷3
27014653
n÷3
20260989.75
n÷5
16208791.8
n2
6568123290393681
n3
5.3230671465361E+23
n4
4.3140243557812E+31
n5
3.4962561301493E+39
2 √n
9002.4418354133
3 √n
432.75312835544
4 √n
94.881198534869
5 √n
38.171930957259
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
-81043958
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 81043959 can be divided by 4 positive divisors.
The sum of these divisors (counting 81043959) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101001010000111110111
3
Ternary
12122111110102010
4
Quaternary
10311022013313
5
Quinary
131221401314
6
Senary
12013015303
8
Octal
465120767
10
Decimal
81043959
12
Duodecimal
23184533
16
Hexadecimal
4d4a1f7
20
Vigesimal
156a9hj
36
Base36
1c91x3
md5
9ab8a97bb1e3e8f59fe9776c357756fa
sha1
dad07256d44e46979346b86a392ca647017b7d32
sha256
72fbb4df393a92011f5880b9172184ff65b8b923b4b63257d088755860798bc0
sha512
e2e1a73fb7576d66995be0acfa1fe215c5fba4221f7e4c2777b74af9209c9de4454997f578873083556cf5c8fca6973922f8e827f4af62d6d7d22f486721f8a1
ripemd-160
ed82968e73770e0790cf442a63a32c7bfbca0ac0
Diameter
162087918
Circumference
509214212.42446
Area
2.0634367876973E+16
Volume
2.2297211522831E+24
Surface area
8.2537471507891E+16
Circumference
509214212.42446
Perimeter
324175836
Area
6568123290393681
Diagonal
114613465.96621
Surface area
39408739742362086
Volume
5.3230671465361E+23
Space diagonal
140372254.63453
Perimeter
243131877
Area
2.8440808123346E+15
Altitude
70186127.317264
Surface area
2.8440808123346E+15
Volume
6.2732947933783E+22
Height
38204488.655403