81330758 is an even 8-digits composite number following 81330757
and preceding 81330759 . In scientific notation, it is written as 8.1330758 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 40665378 positive integers (up to 81330758) that are relatively prime to 81330758.
81330758 has 4 divisors, whose sum is 121996140
The reverse of 81330758 is 85703318
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million three hundred thirty thousand seven hundred fifty-eight
Scientific notation
8.1330758 × 10^7
Engineering notation
8.1330758 × 10^6
Prime Factorization
2 × 40665379
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81330758
Product of the distinct prime numbers
The prime factorization of 81330758 is 2 × 40665379.
Since it has a total of 2 prime factors.
6 , 7 , 96 , 60 , 302 , 133 , 9502 , 8375 , 66746 , 55113 , 317142 , 110533 , 7968630 , 111837 , 34978085 , 12454048 , 678990149 , 860483241 , 6015076296 , 5219370444
n×2
162661516
n×3
243992274
n×4
325323032
n×5
406653790
n÷2
40665379
n÷3
27110252.666667
n÷3
20332689.5
n÷5
16266151.6
n2
6614692196854564
n3
5.3797793030687E+23
n4
4.3754152859129E+31
n5
3.5585584176808E+39
2 √n
9018.356723927
3 √n
433.26300410242
4 √n
94.965028952384
5 √n
38.198909421543
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
-81330757
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 81330758 can be divided by 4 positive divisors.
The sum of these divisors (counting 81330758) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110010000001001000110
3
Ternary
12200001000211022
4
Quaternary
10312100021012
5
Quinary
131310041013
6
Senary
12023111142
8
Octal
466201106
10
Decimal
81330758
12
Duodecimal
232a24b2
16
Hexadecimal
4d90246
20
Vigesimal
15866hi
36
Base36
1cf77q
md5
b1067c4c8ddb5fc8bc3cce54f9895ccb
sha1
fb4b1166fe7f9237fc3d83570b40f99d72eeebf3
sha256
a52bc1106e357f21515830e78f20c4ec618f74d0f2f8d00abe6a4ac161663b10
sha512
52b889ca020831324612b4d3bfccc9f95b7c8aac9f9606c8097146eba6796d4aaf87d0cf5fa3158cb89dc430524be6adaca2c755806b12df7c34f52954639e2b
ripemd-160
3d8b53210f876444a691f84463d60f6ab086bc47
Diameter
162661516
Circumference
511016223.68738
Area
2.0780668411396E+16
Volume
2.2534766848607E+24
Surface area
8.3122673645584E+16
Circumference
511016223.68738
Perimeter
325323032
Area
6614692196854564
Diagonal
115019061.00168
Surface area
39688153181127384
Volume
5.3797793030687E+23
Space diagonal
140869005.07409
Perimeter
243992274
Area
2.8642457403454E+15
Altitude
70434502.537044
Surface area
2.8642457403454E+15
Volume
6.3401307108115E+22
Height
38339687.000561