80491728 is an even 8-digits composite number following 80491727
and preceding 80491729 . In scientific notation, it is written as 8.0491728 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors.
There are 26830560 positive integers (up to 80491728) that are relatively prime to 80491728.
80491728 has 20 divisors, whose sum is 207937088
The reverse of 80491728 is 82719408
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty million four hundred ninety-one thousand seven hundred twenty-eight
Scientific notation
8.0491728 × 10^7
Engineering notation
8.0491728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1676911
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10061466
Product of the distinct prime numbers
The prime factorization of 80491728 is 2 × 2 × 2 × 2 × 3 × 1676911.
Since it has a total of 6 prime factors.
9 , 7 , 87 , 45 , 984 , 98 , 1026 , 7436 , 65162 , 41963 , 417611 , 751613 , 8358137 , 6336650 , 50522542 , 60876763 , 105907587 , 117408155 , 4518164256 , 7729672266
n×2
160983456
n×3
241475184
n×4
321966912
n×5
402458640
n÷2
40245864
n÷3
26830576
n÷3
20122932
n÷5
16098345.6
n2
6478918276425984
n3
5.2149932764031E+23
n4
4.1976382032607E+31
n5
3.3787515249927E+39
2 √n
8971.7182300828
3 √n
431.76796524149
4 √n
94.719154504687
5 √n
38.119768119908
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1676911 , 3353822 , 5030733 , 6707644 , 10061466 , 13415288 , 20122932 , 26830576 , 40245864 , 80491728
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80491727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80491728 can be divided by 20 positive divisors.
The sum of these divisors (counting 80491728) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110011000011010011010000
3
Ternary
12121110101220010
4
Quaternary
10303003103100
5
Quinary
131101213403
6
Senary
11553114520
8
Octal
463032320
10
Decimal
80491728
12
Duodecimal
22b58a40
16
Hexadecimal
4cc34d0
20
Vigesimal
1531968
36
Base36
1bx7tc
md5
f9dcd709d21e7b4d29fdafcff5736ec5
sha1
661a3fb1c089ccc8f019aee700c71363368c2562
sha256
d049a819d1bba54d5e87bedb1aa5123b23ebe79d2a36da723e1f14a377b9cc5c
sha512
01a7c3ed85d1ce4ed8873c2ff7a948f9f878d360c02d4ffb43f44c427efcdbe2de1eef56d56b83d693794dc19088f862141e81a6c837a78735ec5df63a48784a
ripemd-160
a90327f12d6b94c088aaefa47f6e75a994fa6f7b
Diameter
160983456
Circumference
505744442.7191
Area
2.0354122060429E+16
Volume
2.1844512754224E+24
Surface area
8.1416488241714E+16
Circumference
505744442.7191
Perimeter
321966912
Area
6478918276425984
Diagonal
113832493.39645
Surface area
38873509658555904
Volume
5.2149932764031E+23
Space diagonal
139415762.48501
Perimeter
241475184
Area
2.8054539082141E+15
Altitude
69707881.242507
Surface area
2.8054539082141E+15
Volume
6.1459285159781E+22
Height
37944164.465482