80720 is an even 5-digits composite number following 80719
and preceding 80721 . In scientific notation, it is written as 8.0720 × 10^4.
The sum of its digits is 17. It has a total of 6 prime factors and 20 positive divisors.
There are 32256 positive integers (up to 80720) that are relatively prime to 80720.
80720 has 20 divisors, whose sum is 187860
The reverse of 80720 is 02708
Previous prime number is 5
Is Prime? no
Number parity even
Number length 5
Sum of Digits 17
Digital Root 8
Name
eighty thousand seven hundred twenty
Scientific notation
8.0720 × 10^4
Engineering notation
8.0720 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 5 × 1009
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10090
Product of the distinct prime numbers
The prime factorization of 80720 is 2 × 2 × 2 × 2 × 5 × 1009.
Since it has a total of 6 prime factors.
8 , 9 , 20 , 16 , 66 , 964 , 2956 , 922 , 91003 , 4550 , 598398 , 506883 , 1309858 , 9142736 , 81224051 , 64908295 , 9287954 , 139143347 , 1454260918 , 2796707406
n×2
161440
n×3
242160
n×4
322880
n×5
403600
n÷2
40360
n÷3
26906.666666667
n÷3
20180
n÷5
16144
n2
6515718400
n3
525948789248000
n4
4.2454586268099E+19
n5
3.4269342035609E+24
2 √n
284.11265371328
3 √n
43.217574011229
4 √n
16.85564159898
5 √n
9.5806777038075
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 1009 , 2018 , 4036 , 5045 , 8072 , 10090 , 16144 , 20180 , 40360 , 80720
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
-80719
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 80720 can be divided by 20 positive divisors.
The sum of these divisors (counting 80720) is 1, the average is 0.05.
Base
System
Value
2
Binary
10011101101010000
3
Ternary
11002201122
4
Quaternary
103231100
5
Quinary
10040340
6
Senary
1421412
8
Octal
235520
10
Decimal
80720
12
Duodecimal
3a868
16
Hexadecimal
13b50
20
Vigesimal
a1g0
36
Base36
1qa8
md5
503dc6ccfb839c1a40168112c836c149
sha1
9e2fdc512ab8ad0fadc9099735917af748d13b88
sha256
86f4a160a2f9101435f605670721dba94d0d9c7e4bbf4a99ba5748d8dc110fb1
sha512
cc731b9177280d785e53feeffb0ee52258d2ebb056ad067a200478e2757f7f521d1d6d42ec86d931f2c2e3091b42d1dcb8ae02b7872815bf84f5980760451943
ripemd-160
37e3ea334e190e5eaa34a2492a20f82ba251c880
Diameter
161440
Circumference
507178.71799554
Area
20469733058.3
Volume
2.2030891366213E+15
Surface area
81878932233.199
Circumference
507178.71799554
Perimeter
322880
Area
6515718400
Diagonal
114155.31875476
Surface area
39094310400
Volume
525948789248000
Space diagonal
139811.14118696
Perimeter
242160
Area
2821388829.1528
Altitude
69905.57059348
Surface area
2821388829.1528
Volume
61983659239019
Height
38051.772918252