80821866 is an even 8-digits composite number following 80821865
and preceding 80821867 . In scientific notation, it is written as 8.0821866 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 26940620 positive integers (up to 80821866) that are relatively prime to 80821866.
80821866 has 8 divisors, whose sum is 161643744
The reverse of 80821866 is 66812808
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty million eight hundred twenty-one thousand eight hundred sixty-six
Scientific notation
8.0821866 × 10^7
Engineering notation
8.0821866 × 10^6
Prime Factorization
2 × 3 × 13470311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80821866
Product of the distinct prime numbers
The prime factorization of 80821866 is 2 × 3 × 13470311.
Since it has a total of 3 prime factors.
5 , 3 , 4 , 98 , 137 , 129 , 1539 , 5907 , 66738 , 20586 , 318075 , 701729 , 3219158 , 1248393 , 59600306 , 88089258 , 223885651 , 492896265 , 7424214562 , 5761149281
n×2
161643732
n×3
242465598
n×4
323287464
n×5
404109330
n÷2
40410933
n÷3
26940622
n÷3
20205466.5
n÷5
16164373.2
n2
6532174023721956
n3
5.2794249363394E+23
n4
4.2669297476188E+31
n5
3.4486122429346E+39
2 √n
8990.0982197082
3 √n
432.35746090829
4 √n
94.816128478799
5 √n
38.150986701776
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821865
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821866 can be divided by 8 positive divisors.
The sum of these divisors (counting 80821866) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010011111001101010
3
Ternary
12122002011202110
4
Quaternary
10310103321222
5
Quinary
131142244431
6
Senary
12004143150
8
Octal
464237152
10
Decimal
80821866
12
Duodecimal
23097ab6
16
Hexadecimal
4d13e6a
20
Vigesimal
1552ed6
36
Base36
1c4aju
md5
536817088f9eece18ab5d664467a48f7
sha1
ea82790a1ee8be1a4845399dbe16b7e8f124f09a
sha256
ed295d8e565d040861495a02714131a71e67056378157ef004496963ab530cac
sha512
061f074af1dbdc092bbd5258ba981ebca116014e4d6339671c7ccda95a57629b527c4c05c5c0cfeefffbcb0f313f368f6726028ddd6d0f0148bf07eb9123852b
ripemd-160
346e3d958e6880b8002c454a604e1436c3178a96
Diameter
161643732
Circumference
507818760.95004
Area
2.0521429924895E+16
Volume
2.2114403460243E+24
Surface area
8.208571969958E+16
Circumference
507818760.95004
Perimeter
323287464
Area
6532174023721956
Diagonal
114299379.0335
Surface area
39193044142331736
Volume
5.2794249363394E+23
Space diagonal
139987578.27452
Perimeter
242465598
Area
2.828514323242E+15
Altitude
69993789.137262
Surface area
2.828514323242E+15
Volume
6.2218619554182E+22
Height
38099793.011167