8081120721 is an odd 10-digits composite number following 8081120720
and preceding 8081120722 . In scientific notation, it is written as 8.081120721 × 10^9.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 5370090320 positive integers (up to 8081120721) that are relatively prime to 8081120721.
8081120721 has 8 divisors, whose sum is 10809474624
The reverse of 8081120721 is 1270211808
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 30
Digital Root 3
Name
eight billion eighty-one million one hundred twenty thousand seven hundred twenty-one
Scientific notation
8.081120721 × 10^9
Engineering notation
8.081120721 × 10^9
Prime Factorization
3 × 311 × 8661437
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
8081120721
Product of the distinct prime numbers
The prime factorization of 8081120721 is 3 × 311 × 8661437.
Since it has a total of 3 prime factors.
2 , 8 , 31 , 31 , 286 , 352 , 8226 , 9781 , 88153 , 90554 , 185765 , 981981 , 1818525 , 8176769 , 88315784 , 43446374 , 670993241 , 870279410 , 9346238081 , 2799912867
n×2
16162241442
n×3
24243362163
n×4
32324482884
n×5
40405603605
n÷2
4040560360.5
n÷3
2693706907
n÷3
2020280180.25
n÷5
1616224144.2
n2
6.5304512107376E+19
n3
5.2773364596571E+29
n4
4.2646793015824E+39
n5
3.4463388272437E+49
2 √n
89895.053929568
3 √n
2006.7373387318
4 √n
299.82503886362
5 √n
95.82841807397
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
-8081120720
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 8081120721 can be divided by 8 positive divisors.
The sum of these divisors (counting 8081120721) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100001101011000001110111010001
3
Ternary
202212012001110121110
4
Quaternary
13201223001313101
5
Quinary
113022231330341
6
Senary
3413514243533
8
Octal
74153016721
10
Decimal
8081120721
12
Duodecimal
16964265a9
16
Hexadecimal
1e1ac1dd1
20
Vigesimal
665701g1
36
Base36
3pnagnl
md5
144a7bdd4d917a4d529d74be6859eb8e
sha1
97ced2a2f0ba317d94e41e3b3a0569245c4a435b
sha256
572b3c6c0b6149de74bf75938329bf3e7007dcd3d3677b4d3f989156d87cc9dd
sha512
fa180b5b1e88a514f33487a659a4b4574cb4334f3c0ad43cb8eec07ee5845bc41eb28df6bc56e53827ce9b43ad16418f5b498feeb9e7fd84d09bf1a29187794e
ripemd-160
5e28901e4fa6792c58ddbd2c09a45f4d7de9e130
Diameter
16162241442
Circumference
50775178979.732
Area
2.051601754828E+20
Volume
2.2105655269574E+30
Surface area
8.2064070193119E+20
Circumference
50775178979.732
Perimeter
32324482884
Area
6.5304512107376E+19
Diagonal
11428430522.812
Surface area
3.9182707264425E+20
Volume
5.2773364596571E+29
Space diagonal
13996911670.87
Perimeter
24243362163
Area
2.8277683233368E+19
Altitude
6998455835.4348
Surface area
2.8277683233368E+19
Volume
6.2194006620442E+28
Height
3809476840.9375