6818996981 is an odd 10-digits composite number following 6818996980
and preceding 6818996982 . In scientific notation, it is written as 6.818996981 × 10^9.
The sum of its digits is 65. It has a total of 2 prime factors and 4 positive divisors.
There are 6722954700 positive integers (up to 6818996981) that are relatively prime to 6818996981.
6818996981 has 4 divisors, whose sum is 6915039264
The reverse of 6818996981 is 1896998186
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 65
Digital Root 2
Name
six billion eight hundred eighteen million nine hundred ninety-six thousand nine hundred eighty-one
Scientific notation
6.818996981 × 10^9
Engineering notation
6.818996981 × 10^9
Prime Factorization
71 × 96042211
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
6818996981
Product of the distinct prime numbers
The prime factorization of 6818996981 is 71 × 96042211.
Since it has a total of 2 prime factors.
7 , 3 , 92 , 70 , 569 , 713 , 2559 , 9064 , 55898 , 22529 , 754729 , 120606 , 2250042 , 1533082 , 22578081 , 73242199 , 692900054 , 534833777 , 9860453613 , 1740514273
n×2
13637993962
n×3
20456990943
n×4
27275987924
n×5
34094984905
n÷2
3409498490.5
n÷3
2272998993.6667
n÷3
1704749245.25
n÷5
1363799396.2
n2
4.6498719826887E+19
n3
3.1707463011991E+29
n4
2.1621309455393E+39
n5
1.4743564390159E+49
2 √n
82577.218292941
3 √n
1896.2990729069
4 √n
287.3625206824
5 √n
92.628386611048
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
-6818996980
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 6818996981 can be divided by 4 positive divisors.
The sum of these divisors (counting 6818996981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110010110011100011010001011110101
3
Ternary
122121020010221022202
4
Quaternary
12112130122023311
5
Quinary
102431130400411
6
Senary
3044350434245
8
Octal
62634321365
10
Decimal
6818996981
12
Duodecimal
13a3802985
16
Hexadecimal
19671a2f5
20
Vigesimal
56aiec91
36
Base36
34rurqt
md5
83994d0da59b2515335c450882d4a7e9
sha1
2f8278c9225d00ce2037d292454cead08fbdc03c
sha256
42b19b9cd184f55c1c099e7990492049525d0c4bea23be822b00ab0909f0f7fd
sha512
63a7e7feca273d7dba9e8a2bfb016d3eea2e5bb449b7c92d4e1d67b62c9cde2286f2941015abca4cff4a3d6b6c939d952334e871ef143e90cf7fef9fed2f8069
ripemd-160
b6649c911670cce260f8eb70d7e29df201f06ac4
Diameter
13637993962
Circumference
42845021640.721
Area
1.4608003660948E+20
Volume
1.3281591048325E+30
Surface area
5.8432014643791E+20
Circumference
42845021640.721
Perimeter
27275987924
Area
4.6498719826887E+19
Diagonal
9643518012.3114
Surface area
2.7899231896132E+20
Volume
3.1707463011991E+29
Space diagonal
11810849227.751
Perimeter
20456990943
Area
2.013453630677E+19
Altitude
5905424613.8754
Surface area
2.013453630677E+19
Volume
3.7367603516667E+28
Height
3214506004.1038