80821745 is an odd 8-digits composite number following 80821744
and preceding 80821746 . In scientific notation, it is written as 8.0821745 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 64592640 positive integers (up to 80821745) that are relatively prime to 80821745.
80821745 has 8 divisors, whose sum is 97083240
The reverse of 80821745 is 54712808
Previous prime number is 1069
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty million eight hundred twenty-one thousand seven hundred forty-five
Scientific notation
8.0821745 × 10^7
Engineering notation
8.0821745 × 10^6
Prime Factorization
5 × 1069 × 15121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80821745
Product of the distinct prime numbers
The prime factorization of 80821745 is 5 × 1069 × 15121.
Since it has a total of 3 prime factors.
1 , 7 , 79 , 47 , 549 , 903 , 4852 , 7243 , 79038 , 75076 , 536390 , 264745 , 2159544 , 7237047 , 21004435 , 84372630 , 345568816 , 201418577 , 9345467183 , 2796262408
n×2
161643490
n×3
242465235
n×4
323286980
n×5
404108725
n÷2
40410872.5
n÷3
26940581.666667
n÷3
20205436.25
n÷5
16164349
n2
6532154464845025
n3
5.2794012245832E+23
n4
4.2669041952595E+31
n5
3.4485864280869E+39
2 √n
8990.0914900795
3 √n
432.35724514457
4 √n
94.816092991008
5 √n
38.150975278452
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
-80821744
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 80821745 can be divided by 8 positive divisors.
The sum of these divisors (counting 80821745) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010011110111110001
3
Ternary
12122002011120222
4
Quaternary
10310103313301
5
Quinary
131142243440
6
Senary
12004142425
8
Octal
464236761
10
Decimal
80821745
12
Duodecimal
23097a15
16
Hexadecimal
4d13df1
20
Vigesimal
1552e75
36
Base36
1c4agh
md5
028999d9511f92e598f987ee79d996c1
sha1
8f18d902f7c24c5c1125bfec5a0fb9af30ad49f1
sha256
4bd2d3bd3e77e324aee4b52acc5862cbd3bc24b1323f44cb34372864de3ffc13
sha512
0658b8877b97fb71a3d494716b713774ff6d38c9a925f86aa61ace6767304a5c6b023168df85c8c087fc6903fdc3a41a84011e1df2e2641567e5a8fe87decf58
ripemd-160
b17ead90a20e33daa57a8af7d1df84a9202a9655
Diameter
161643490
Circumference
507818000.68462
Area
2.0521368478871E+16
Volume
2.2114304136671E+24
Surface area
8.2085473915484E+16
Circumference
507818000.68462
Perimeter
323286980
Area
6532154464845025
Diagonal
114299207.91366
Surface area
39192926789070150
Volume
5.2794012245832E+23
Space diagonal
139987368.69638
Perimeter
242465235
Area
2.8285058539999E+15
Altitude
69993684.348188
Surface area
2.8285058539999E+15
Volume
6.2218340108455E+22
Height
38099735.97122