80728081 is an odd 8-digits composite number following 80728080
and preceding 80728082 . In scientific notation, it is written as 8.0728081 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 69195492 positive integers (up to 80728081) that are relatively prime to 80728081.
80728081 has 4 divisors, whose sum is 92260672
The reverse of 80728081 is 18082708
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty million seven hundred twenty-eight thousand eighty-one
Scientific notation
8.0728081 × 10^7
Engineering notation
8.0728081 × 10^6
Prime Factorization
7 × 11532583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80728081
Product of the distinct prime numbers
The prime factorization of 80728081 is 7 × 11532583.
Since it has a total of 2 prime factors.
8 , 6 , 6 , 5 , 113 , 431 , 6851 , 8932 , 30388 , 45834 , 13121 , 587875 , 1895302 , 3090843 , 52899778 , 60567505 , 43635707 , 935195894 , 517506436 , 6047061526
n×2
161456162
n×3
242184243
n×4
322912324
n×5
403640405
n÷2
40364040.5
n÷3
26909360.333333
n÷3
20182020.25
n÷5
16145616.2
n2
6517023061942561
n3
5.2610676562337E+23
n4
4.2471589589891E+31
n5
3.4286499246115E+39
2 √n
8984.8806892468
3 √n
432.19016155108
4 √n
94.788610546029
5 √n
38.142128573723
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
-80728080
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 80728081 can be divided by 4 positive divisors.
The sum of these divisors (counting 80728081) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110011111101000000010001
3
Ternary
12121220102002221
4
Quaternary
10303331000101
5
Quinary
131131244311
6
Senary
12002141041
8
Octal
463750021
10
Decimal
80728081
12
Duodecimal
23051781
16
Hexadecimal
4cfd011
20
Vigesimal
154b041
36
Base36
1c2a6p
md5
c41b13cee054ab041ea680db4b9cb07b
sha1
7720096bf822cc57997b118a98c1f6d7c746e54b
sha256
82c0eb80094fe02d0807178196d33cbec8745cc7e4000b45599f190c43ad993a
sha512
897b0c80893fdc1722be42417f5854f0ab176ad607d57927cc101a2c4192f088f8e115f8804d9473fb699afb8552184f6ee4cf9120796c552f79af46fb6f85e2
ripemd-160
941b2e80a9aff2e74c95e35c7867f0fa8c55b3b2
Diameter
161456162
Circumference
507229492.416
Area
2.0473831774674E+16
Volume
2.203750866515E+24
Surface area
8.1895327098696E+16
Circumference
507229492.416
Perimeter
322912324
Area
6517023061942561
Diagonal
114166747.01455
Surface area
39102138371655366
Volume
5.2610676562337E+23
Space diagonal
139825137.88954
Perimeter
242184243
Area
2.8219537643457E+15
Altitude
69912568.944768
Surface area
2.8219537643457E+15
Volume
6.2002276933401E+22
Height
38055582.338185