80821145 is an odd 8-digits composite number following 80821144
and preceding 80821146 . In scientific notation, it is written as 8.0821145 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 60853504 positive integers (up to 80821145) that are relatively prime to 80821145.
80821145 has 8 divisors, whose sum is 102690504
The reverse of 80821145 is 54112808
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty million eight hundred twenty-one thousand one hundred forty-five
Scientific notation
8.0821145 × 10^7
Engineering notation
8.0821145 × 10^6
Prime Factorization
5 × 17 × 950837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80821145
Product of the distinct prime numbers
The prime factorization of 80821145 is 5 × 17 × 950837.
Since it has a total of 3 prime factors.
8 , 1 , 88 , 100 , 899 , 871 , 4983 , 9369 , 24294 , 18521 , 461390 , 630025 , 9525899 , 8705088 , 74430894 , 98042060 , 155086825 , 940885578 , 2436643462 , 5394699184
n×2
161642290
n×3
242463435
n×4
323284580
n×5
404105725
n÷2
40410572.5
n÷3
26940381.666667
n÷3
20205286.25
n÷5
16164229
n2
6532057479111025
n3
5.2792836466757E+23
n4
4.266777491041E+31
n5
3.4484584228616E+39
2 √n
8990.0581199456
3 √n
432.35617523866
4 √n
94.815917017902
5 √n
38.150918633663
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
-80821144
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 80821145 can be divided by 8 positive divisors.
The sum of these divisors (counting 80821145) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010011101110011001
3
Ternary
12122002010202202
4
Quaternary
10310103232121
5
Quinary
131142234040
6
Senary
12004135545
8
Octal
464235631
10
Decimal
80821145
12
Duodecimal
230975b5
16
Hexadecimal
4d13b99
20
Vigesimal
1552ch5
36
Base36
1c49zt
md5
2a87fbde32b29a59049635556d872765
sha1
1b60bac5d7054afa15f472d04b03cd56752e94d4
sha256
8c244d360491d94c872ae7af06328b034e0286647fe172884845e2932c01aa20
sha512
8220bca4adddadae4cd5d17e64ac02eee9a481f50b0f96d4c73ff592263e94eed13bf144aa92fe41c9953d83ad15b64f8850eb686e0f3abe60928b5994960b66
ripemd-160
7a199469b8a2477a7f9df23a63ea3809b40633b6
Diameter
161642290
Circumference
507814230.77343
Area
2.0521063789201E+16
Volume
2.2113811627484E+24
Surface area
8.2084255156806E+16
Circumference
507814230.77343
Perimeter
323284580
Area
6532057479111025
Diagonal
114298359.38552
Surface area
39192344874666150
Volume
5.2792836466757E+23
Space diagonal
139986329.46589
Perimeter
242463435
Area
2.8284638579451E+15
Altitude
69993164.732946
Surface area
2.8284638579451E+15
Volume
6.2216954439527E+22
Height
38099453.128507