80811931 is an odd 8-digits composite number following 80811930
and preceding 80811932 . In scientific notation, it is written as 8.0811931 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 76058272 positive integers (up to 80811931) that are relatively prime to 80811931.
80811931 has 4 divisors, whose sum is 85565592
The reverse of 80811931 is 13911808
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty million eight hundred eleven thousand nine hundred thirty-one
Scientific notation
8.0811931 × 10^7
Engineering notation
8.0811931 × 10^6
Prime Factorization
17 × 4753643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80811931
Product of the distinct prime numbers
The prime factorization of 80811931 is 17 × 4753643.
Since it has a total of 2 prime factors.
9 , 6 , 15 , 1 , 913 , 583 , 618 , 6010 , 81307 , 96828 , 362612 , 940067 , 6859291 , 1553441 , 79412936 , 8235823 , 233447114 , 985037109 , 1913708411 , 4125731830
n×2
161623862
n×3
242435793
n×4
323247724
n×5
404059655
n÷2
40405965.5
n÷3
26937310.333333
n÷3
20202982.75
n÷5
16162386.2
n2
6530568191948761
n3
5.2774782611856E+23
n4
4.2648320909693E+31
n5
3.44649316662E+39
2 √n
8989.5456503652
3 √n
432.33974438509
4 √n
94.8132145345
5 √n
38.150048716279
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
-80811930
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 80811931 can be divided by 4 positive divisors.
The sum of these divisors (counting 80811931) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100010001011110011011
3
Ternary
12122001200010111
4
Quaternary
10310101132123
5
Quinary
131141440211
6
Senary
12004025151
8
Octal
464213633
10
Decimal
80811931
12
Duodecimal
230921b7
16
Hexadecimal
4d1179b
20
Vigesimal
15519gb
36
Base36
1c42vv
md5
387c5d13c0d7678a94da8383de10849a
sha1
f1f5d4e5c7a2cb6e403c941323e411c19fd17b55
sha256
4ee0580740ddd7793454e34aaa1e8ce0347012d80dbf18a23030996169cf1f0d
sha512
174f75822704418cd68c28b675737d72ed2e432a472775262f4d6eed38d88f2dbb80f831f7fbce2a88d3ebed54aff64acf61543839da9eec3a076d64838fdfb5
ripemd-160
ea716ef06e6966bf3ce781c334e86118aa9950e9
Diameter
161623862
Circumference
507756337.50401
Area
2.0516385055593E+16
Volume
2.2106249246427E+24
Surface area
8.2065540222374E+16
Circumference
507756337.50401
Perimeter
323247724
Area
6530568191948761
Diagonal
114285328.82176
Surface area
39183409151692566
Volume
5.2774782611856E+23
Space diagonal
139970370.34975
Perimeter
242435793
Area
2.8278189776871E+15
Altitude
69985185.174875
Surface area
2.8278189776871E+15
Volume
6.2195677767482E+22
Height
38095109.607253