80821756 is an even 8-digits composite number following 80821755
and preceding 80821757 . In scientific notation, it is written as 8.0821756 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 40039920 positive integers (up to 80821756) that are relatively prime to 80821756.
80821756 has 12 divisors, whose sum is 142736440
The reverse of 80821756 is 65712808
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty million eight hundred twenty-one thousand seven hundred fifty-six
Scientific notation
8.0821756 × 10^7
Engineering notation
8.0821756 × 10^6
Prime Factorization
2 × 2 × 109 × 185371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40410878
Product of the distinct prime numbers
The prime factorization of 80821756 is 2 × 2 × 109 × 185371.
Since it has a total of 4 prime factors.
2 , 4 , 49 , 87 , 267 , 740 , 9247 , 7282 , 13472 , 93544 , 852547 , 518720 , 9341485 , 3926233 , 64888618 , 9771308 , 225921013 , 921082803 , 7694856999 , 5503934390
n×2
161643512
n×3
242465268
n×4
323287024
n×5
404108780
n÷2
40410878
n÷3
26940585.333333
n÷3
20205439
n÷5
16164351.2
n2
6532156242923536
n3
5.2794033801944E+23
n4
4.2669065181965E+31
n5
3.4485887748849E+39
2 √n
8990.0921018641
3 √n
432.35726475946
4 √n
94.816096217173
5 √n
38.150976316936
1 , 2 , 4 , 109 , 218 , 436 , 185371 , 370742 , 741484 , 20205439 , 40410878 , 80821756
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821755
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821756 can be divided by 12 positive divisors.
The sum of these divisors (counting 80821756) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110100010011110111111100
3
Ternary
12122002011121101
4
Quaternary
10310103313330
5
Quinary
131142244011
6
Senary
12004142444
8
Octal
464236774
10
Decimal
80821756
12
Duodecimal
23097a24
16
Hexadecimal
4d13dfc
20
Vigesimal
1552e7g
36
Base36
1c4ags
md5
8ae2005d3cad97ee8906638b02bcf6b7
sha1
9eb2441dc6cb54048ada5c93ca458a7cdc1aa793
sha256
f7bc3ebcd4bf303262c804e10e7342096ee3c364176e37ea77c9bb59617ee82e
sha512
0fd0669111219babc290481e8f7eed3d02af4971807de260947a4a418d52ca79f43b621029a813a874c7fc0367ceb96e1924d23be733c743ba2f2cd87b0ba6c6
ripemd-160
a8143b807eb3e0997ed357861e73623bdb0063f7
Diameter
161643512
Circumference
507818069.79965
Area
2.0521374064869E+16
Volume
2.2114313166075E+24
Surface area
8.2085496259477E+16
Circumference
507818069.79965
Perimeter
323287024
Area
6532156242923536
Diagonal
114299223.47001
Surface area
39192937457541216
Volume
5.2794033801944E+23
Space diagonal
139987387.74893
Perimeter
242465268
Area
2.8285066239304E+15
Altitude
69993693.874467
Surface area
2.8285066239304E+15
Volume
6.2218365512578E+22
Height
38099741.15667