80821565 is an odd 8-digits composite number following 80821564
and preceding 80821566 . In scientific notation, it is written as 8.0821565 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 58643520 positive integers (up to 80821565) that are relatively prime to 80821565.
80821565 has 16 divisors, whose sum is 106047360
The reverse of 80821565 is 56512808
Previous prime number is 509
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty million eight hundred twenty-one thousand five hundred sixty-five
Scientific notation
8.0821565 × 10^7
Engineering notation
8.0821565 × 10^6
Prime Factorization
5 × 11 × 509 × 2887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80821565
Product of the distinct prime numbers
The prime factorization of 80821565 is 5 × 11 × 509 × 2887.
Since it has a total of 4 prime factors.
1 , 10 , 7 , 56 , 673 , 831 , 9025 , 5572 , 89245 , 87346 , 235673 , 329659 , 177157 , 2190605 , 24960981 , 58959971 , 587683486 , 147861177 , 2859954961 , 8299975596
n×2
161643130
n×3
242464695
n×4
323286260
n×5
404107825
n÷2
40410782.5
n÷3
26940521.666667
n÷3
20205391.25
n÷5
16164313
n2
6532125369049225
n3
5.2793659510276E+23
n4
4.2668661836976E+31
n5
3.4485480261202E+39
2 √n
8990.0814790523
3 √n
432.35692417335
4 √n
94.816040199179
5 √n
38.15095828505
1 , 5 , 11 , 55 , 509 , 2545 , 2887 , 5599 , 14435 , 27995 , 31757 , 158785 , 1469483 , 7347415 , 16164313 , 80821565
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821564
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821565 can be divided by 16 positive divisors.
The sum of these divisors (counting 80821565) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100010011110100111101
3
Ternary
12122002011100022
4
Quaternary
10310103310331
5
Quinary
131142242230
6
Senary
12004141525
8
Octal
464236475
10
Decimal
80821565
12
Duodecimal
230978a5
16
Hexadecimal
4d13d3d
20
Vigesimal
1552di5
36
Base36
1c4abh
md5
406e84ad00f0455a8362d1da2758cf40
sha1
83569727ba4cfa129eac70f4be94e56c8165e3de
sha256
1dbccdd03c5cc5d823c6831223a89a96697bb15c52cafde2a974246e9800265b
sha512
f5dceae926e10fa9811e3a3e4ffc4ea193f31ef52f1d3be84a8421fe885a65d45b0517897534c19168ce6462bec2ae856505444fea7585eaf2794edd89cbeaa4
ripemd-160
20b704e8e1a00d6aa2905aafe73c673be658ec9f
Diameter
161643130
Circumference
507816869.71126
Area
2.0521277071733E+16
Volume
2.2114156383147E+24
Surface area
8.208510828693E+16
Circumference
507816869.71126
Perimeter
323286260
Area
6532125369049225
Diagonal
114298953.35522
Surface area
39192752214295350
Volume
5.2793659510276E+23
Space diagonal
139987056.92723
Perimeter
242464695
Area
2.8284932551507E+15
Altitude
69993528.463615
Surface area
2.8284932551507E+15
Volume
6.2217924405616E+22
Height
38099651.118406