8218386989 is an odd 10-digits composite number following 8218386988
and preceding 8218386990 . In scientific notation, it is written as 8.218386989 × 10^9.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 8217965760 positive integers (up to 8218386989) that are relatively prime to 8218386989.
8218386989 has 4 divisors, whose sum is 8218808220
The reverse of 8218386989 is 9896838128
Previous prime number is 20509
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 62
Digital Root 8
Name
eight billion two hundred eighteen million three hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
8.218386989 × 10^9
Engineering notation
8.218386989 × 10^9
Prime Factorization
20509 × 400721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
8218386989
Product of the distinct prime numbers
The prime factorization of 8218386989 is 20509 × 400721.
Since it has a total of 2 prime factors.
7 , 3 , 14 , 37 , 765 , 116 , 5290 , 910 , 71659 , 27578 , 613405 , 910249 , 5639679 , 1012947 , 22811203 , 83162144 , 862014835 , 395657691 , 9674874029 , 4969799041
n×2
16436773978
n×3
24655160967
n×4
32873547956
n×5
41091934945
n÷2
4109193494.5
n÷3
2739462329.6667
n÷3
2054596747.25
n÷5
1643677397.8
n2
6.7541884700964E+19
n3
5.5508534643894E+29
n4
4.5619061889584E+39
n5
3.7491510468374E+49
2 √n
90655.319694985
3 √n
2018.0357821274
4 √n
301.0902185309
5 √n
96.151777571023
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
-8218386988
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 8218386989 can be divided by 4 positive divisors.
The sum of these divisors (counting 8218386989) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001110110101010001000101101
3
Ternary
210012202100022112022
4
Quaternary
13221312222020231
5
Quinary
113312401340424
6
Senary
3435300315525
8
Octal
75166521055
10
Decimal
8218386989
12
Duodecimal
17143a2ba5
16
Hexadecimal
1e9daa22d
20
Vigesimal
6884i799
36
Base36
3rx0jzh
md5
fe1c6f24763cd6509b97aa4478a110c7
sha1
7473535e312ae4a2b59ffa8a8c4e9251b398ed67
sha256
d82d571f49b8d734a474d0ffb12c419526d60895f5acddef784dc7af65117577
sha512
ab7ba103ecb8633c4bc31c7173973c7dd95dae583f31c05d15f8a56b6accd11fc059deff4493b95285e4b63b153f44ba2ea887f5c89134dcff522a1b7567e6c0
ripemd-160
e5857ea1fd08b03b6b32155ff2e54a6f3107b4b8
Diameter
16436773978
Circumference
51637648378.001
Area
2.1218908878616E+20
Volume
2.3251360619839E+30
Surface area
8.4875635514464E+20
Circumference
51637648378.001
Perimeter
32873547956
Area
6.7541884700964E+19
Diagonal
11622554340.674
Surface area
4.0525130820579E+20
Volume
5.5508534643894E+29
Space diagonal
14234663821.211
Perimeter
24655160967
Area
2.9246493985257E+19
Altitude
7117331910.6055
Surface area
2.9246493985257E+19
Volume
6.5417435434044E+28
Height
3874184780.2248