80821155 is an odd 8-digits composite number following 80821154
and preceding 80821156 . In scientific notation, it is written as 8.0821155 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 40835808 positive integers (up to 80821155) that are relatively prime to 80821155.
80821155 has 8 divisors, whose sum is 98687232
The reverse of 80821155 is 55112808
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty million eight hundred twenty-one thousand one hundred fifty-five
Scientific notation
8.0821155 × 10^7
Engineering notation
8.0821155 × 10^6
Prime Factorization
57 × 5 × 283583
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80821155
Product of the distinct prime numbers
The prime factorization of 80821155 is 57 × 5 × 283583.
Since it has a total of 3 prime factors.
9 , 9 , 21 , 67 , 126 , 737 , 5777 , 694 , 4281 , 1311 , 229859 , 277369 , 6125498 , 6274089 , 2206381 , 62120894 , 949329193 , 511199679 , 8469407201 , 946451347
n×2
161642310
n×3
242463465
n×4
323284620
n×5
404105775
n÷2
40410577.5
n÷3
26940385
n÷3
20205288.75
n÷5
16164231
n2
6532059095534025
n3
5.2792856062932E+23
n4
4.2667796027549E+31
n5
3.4484605562509E+39
2 √n
8990.0586761155
3 √n
432.35619307047
4 √n
94.815919950795
5 √n
38.150919577746
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
-80821154
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 80821155 can be divided by 8 positive divisors.
The sum of these divisors (counting 80821155) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010011101110100011
3
Ternary
12122002010210010
4
Quaternary
10310103232203
5
Quinary
131142234110
6
Senary
12004140003
8
Octal
464235643
10
Decimal
80821155
12
Duodecimal
23097603
16
Hexadecimal
4d13ba3
20
Vigesimal
1552chf
36
Base36
1c4a03
md5
23b32e160502542b77eb7e2043ad40f8
sha1
efa13686f201d93823e1a8add68aea84034ef997
sha256
b915ad130463824611ad9194cd607b154dfa20d55e21ea7276d9eb3d58b34b38
sha512
b295df1c05428f2bb1b707fd4439a1a99b5df193b4b2d2ab90803c82469d57d3d9760591e4a7cc0e5201dc1b4bfb6844e057f1718f0b7156800551cc53954599
ripemd-160
e9d3c1ccf5248a120560a7934ee1057ff6ef294f
Diameter
161642310
Circumference
507814293.60528
Area
2.0521068867344E+16
Volume
2.2113819835911E+24
Surface area
8.2084275469376E+16
Circumference
507814293.60528
Perimeter
323284620
Area
6532059095534025
Diagonal
114298373.52766
Surface area
39192354573204150
Volume
5.2792856062932E+23
Space diagonal
139986346.7864
Perimeter
242463465
Area
2.8284645578768E+15
Altitude
69993173.3932
Surface area
2.8284645578768E+15
Volume
6.221697753384E+22
Height
38099457.842553