81104039 is an odd 8-digits composite number following 81104038
and preceding 81104040 . In scientific notation, it is written as 8.1104039 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 78170400 positive integers (up to 81104039) that are relatively prime to 81104039.
81104039 has 8 divisors, whose sum is 84047520
The reverse of 81104039 is 93040118
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million one hundred four thousand thirty-nine
Scientific notation
8.1104039 × 10^7
Engineering notation
8.1104039 × 10^6
Prime Factorization
29 × 661 × 4231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81104039
Product of the distinct prime numbers
The prime factorization of 81104039 is 29 × 661 × 4231.
Since it has a total of 3 prime factors.
1 , 6 , 66 , 85 , 842 , 462 , 4763 , 729 , 51164 , 81770 , 341509 , 856349 , 6967026 , 4444633 , 76769974 , 94962762 , 831945759 , 100341840 , 5598976067 , 9061554512
n×2
162208078
n×3
243312117
n×4
324416156
n×5
405520195
n÷2
40552019.5
n÷3
27034679.666667
n÷3
20276009.75
n÷5
16220807.8
n2
6577865142113521
n3
5.3349143102272E+23
n4
4.3268309827832E+31
n5
3.5092346877406E+39
2 √n
9005.7780896489
3 √n
432.86003900055
4 √n
94.898778125163
5 √n
38.177588849318
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
-81104038
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 81104039 can be divided by 8 positive divisors.
The sum of these divisors (counting 81104039) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011000110010100111
3
Ternary
12122121111211022
4
Quaternary
10311120302213
5
Quinary
131230312124
6
Senary
12014201355
8
Octal
465306247
10
Decimal
81104039
12
Duodecimal
231b325b
16
Hexadecimal
4d58ca7
20
Vigesimal
156i01j
36
Base36
1cac9z
md5
dc32e3f4c9d4a9fcfd12b1d5f5540ce9
sha1
98cf1527eedb654c33b8af87dfa1b4d4be58da92
sha256
8ee3fd203cadb2d212125ec6484d6e0ec852bca4f2bd29c4bd92ce2ec9078f32
sha512
457b94b67270d9bd23e3a4c8c2e4ef9a2d4cff7bbc9891c9599956029713eacb1b3327f3fd473959745632529a21444e29292bc6493ff4cce4237b5f7cfd2724
ripemd-160
02be2850a5a6b122d9d19099e9bf34215fc34cd1
Diameter
162208078
Circumference
509591706.19772
Area
2.0664972806768E+16
Volume
2.2346836806054E+24
Surface area
8.2659891227073E+16
Circumference
509591706.19772
Perimeter
324416156
Area
6577865142113521
Diagonal
114698431.91704
Surface area
39467190852681126
Volume
5.3349143102272E+23
Space diagonal
140476316.24705
Perimeter
243312117
Area
2.8482991578692E+15
Altitude
70238158.123524
Surface area
2.8482991578692E+15
Volume
6.2872568096846E+22
Height
38232810.639012