80821409 is an odd 8-digits composite number following 80821408
and preceding 80821410 . In scientific notation, it is written as 8.0821409 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 80474304 positive integers (up to 80821409) that are relatively prime to 80821409.
80821409 has 4 divisors, whose sum is 81168516
The reverse of 80821409 is 90412808
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty million eight hundred twenty-one thousand four hundred nine
Scientific notation
8.0821409 × 10^7
Engineering notation
8.0821409 × 10^6
Prime Factorization
233 × 346873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80821409
Product of the distinct prime numbers
The prime factorization of 80821409 is 233 × 346873.
Since it has a total of 2 prime factors.
4 , 4 , 78 , 75 , 232 , 978 , 1932 , 4438 , 49796 , 54472 , 222624 , 849259 , 3285538 , 4974333 , 52428881 , 28240309 , 701073733 , 320701470 , 4338707806 , 7685229936
n×2
161642818
n×3
242464227
n×4
323285636
n×5
404107045
n÷2
40410704.5
n÷3
26940469.666667
n÷3
20205352.25
n÷5
16164281.8
n2
6532100152745281
n3
5.2793353807399E+23
n4
4.2668332405495E+31
n5
3.4485147446925E+39
2 √n
8990.0728028198
3 √n
432.35664599791
4 √n
94.815994446189
5 √n
38.150943557412
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
-80821408
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 80821409 can be divided by 4 positive divisors.
The sum of these divisors (counting 80821409) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100010011110010100001
3
Ternary
12122002011010112
4
Quaternary
10310103302201
5
Quinary
131142241114
6
Senary
12004141105
8
Octal
464236241
10
Decimal
80821409
12
Duodecimal
23097795
16
Hexadecimal
4d13ca1
20
Vigesimal
1552da9
36
Base36
1c4a75
md5
fa20da8a4359fe8956a42fd34e390033
sha1
4e9e6f84e0828f059ab7ba143861f070514e1a21
sha256
3edb6fc3dd94c7043d73f1490c5908f21d7c5624d2ff02354de88afec5d3b7d9
sha512
4cbda611ee41dd60360b90880574fcda11197841161210255547ca22154e3d7bf981fa8b815ae28a9db9ef8a907fbb199e52189b165ae5cd0a857e689b93f859
ripemd-160
366ccb43f2ea540f211a486b3376eb28e101f3b9
Diameter
161642818
Circumference
507815889.53435
Area
2.0521197852377E+16
Volume
2.2114028330625E+24
Surface area
8.2084791409509E+16
Circumference
507815889.53435
Perimeter
323285636
Area
6532100152745281
Diagonal
114298732.7379
Surface area
39192600916471686
Volume
5.2793353807399E+23
Space diagonal
139986786.7273
Perimeter
242464227
Area
2.8284823361708E+15
Altitude
69993393.363652
Surface area
2.8284823361708E+15
Volume
6.2217564131321E+22
Height
38099577.579301