80821809 is an odd 8-digits composite number following 80821808
and preceding 80821810 . In scientific notation, it is written as 8.0821809 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 53738232 positive integers (up to 80821809) that are relatively prime to 80821809.
80821809 has 8 divisors, whose sum is 90040320
The reverse of 80821809 is 90812808
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty million eight hundred twenty-one thousand eight hundred nine
Scientific notation
8.0821809 × 10^7
Engineering notation
8.0821809 × 10^6
Prime Factorization
9 × 383 × 23447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80821809
Product of the distinct prime numbers
The prime factorization of 80821809 is 9 × 383 × 23447.
Since it has a total of 3 prime factors.
1 , 9 , 89 , 17 , 332 , 119 , 2332 , 2279 , 57596 , 23371 , 10737 , 602908 , 7557175 , 29776 , 25619995 , 46862269 , 275556801 , 357459250 , 6122663771 , 3319540797
n×2
161643618
n×3
242465427
n×4
323287236
n×5
404109045
n÷2
40410904.5
n÷3
26940603
n÷3
20205452.25
n÷5
16164361.8
n2
6532164810032481
n3
5.2794137663297E+23
n4
4.2669177105427E+31
n5
3.448600082202E+39
2 √n
8990.0950495531
3 √n
432.35735926756
4 √n
94.816111761415
5 √n
38.150981320543
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
-80821808
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 80821809 can be divided by 8 positive divisors.
The sum of these divisors (counting 80821809) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010011111000110001
3
Ternary
12122002011200100
4
Quaternary
10310103320301
5
Quinary
131142244214
6
Senary
12004143013
8
Octal
464237061
10
Decimal
80821809
12
Duodecimal
23097a69
16
Hexadecimal
4d13e31
20
Vigesimal
1552ea9
36
Base36
1c4ai9
md5
b979d3d20be830d4cc2d31e70510bce8
sha1
cb668ddfb6996fc06cf4e2d8b7e13bd0c3452420
sha256
c19af1d69698232d712908ceb7528479af2f8902b0a83eb617e599213c76abbc
sha512
b94c5b1a240785ec9455f17005c1ea1950f68b89788dbf91395fc8cd6449d1c0bc91c3c4d5b59abd51ccef625d918c03385d121b4e686f171ae6d54049699a43
ripemd-160
1e10dd62edbc865a359c5d2e377949fdb5c16cd0
Diameter
161643618
Circumference
507818402.80847
Area
2.0521400979236E+16
Volume
2.2114356671416E+24
Surface area
8.2085603916943E+16
Circumference
507818402.80847
Perimeter
323287236
Area
6532164810032481
Diagonal
114299298.42333
Surface area
39192988860194886
Volume
5.2794137663297E+23
Space diagonal
139987479.54763
Perimeter
242465427
Area
2.8285103335974E+15
Altitude
69993739.773814
Surface area
2.8285103335974E+15
Volume
6.2218487914355E+22
Height
38099766.141109