816355989 is an odd 9-digits composite number following 816355988
and preceding 816355990 . In scientific notation, it is written as 8.16355989 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 531578376 positive integers (up to 816355989) that are relatively prime to 816355989.
816355989 has 12 divisors, whose sum is 938473536
The reverse of 816355989 is 989553618
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
eight hundred sixteen million three hundred fifty-five thousand nine hundred eighty-nine
Scientific notation
8.16355989 × 10^8
Engineering notation
8.16355989 × 10^6
Prime Factorization
9 × 9 × 43 × 234383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
90706221
Product of the distinct prime numbers
The prime factorization of 816355989 is 9 × 9 × 43 × 234383.
Since it has a total of 4 prime factors.
6 , 10 , 87 , 7 , 149 , 667 , 4268 , 1584 , 6127 , 26603 , 773804 , 442442 , 2164071 , 9440537 , 8246991 , 99625945 , 294890033 , 889161508 , 6418332295 , 9072466803
n×2
1632711978
n×3
2449067967
n×4
3265423956
n×5
4081779945
n÷2
408177994.5
n÷3
272118663
n÷3
204088997.25
n÷5
163271197.8
n2
666437100776168121
n3
5.4404991851042E+26
n4
4.4413840929094E+35
n5
3.625750503696E+44
2 √n
28571.944088564
3 √n
934.60161624401
4 √n
169.03237585907
5 √n
60.586507257301
1 , 9 , 43 , 81 , 387 , 3483 , 234383 , 2109447 , 10078469 , 18985023 , 90706221 , 816355989
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
-816355988
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 816355989 can be divided by 12 positive divisors.
The sum of these divisors (counting 816355989) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000101010001001101010010101
3
Ternary
2002220010011220000
4
Quaternary
300222021222111
5
Quinary
3132441342424
6
Senary
213001201513
8
Octal
6052115225
10
Decimal
816355989
12
Duodecimal
1a9490299
16
Hexadecimal
30a89a95
20
Vigesimal
cf249j9
36
Base36
di1cb9
md5
6d15e0702627513256b85baef347cade
sha1
7d27dafb3b395c78fa1e79d19917c5198e941c73
sha256
22bb463b43ad9ae397ad472c46c2c3902cba56ce6600f2979acad66fd298c7ef
sha512
0188d15e0784e6c73375ee88fb57f181ced0c0d874804b27b22bcf4d7cd24e57b01df688e3f95b85b9b965ec283309aaaf1ee320cdd212c0081644b9a1844600
ripemd-160
26b8247676038540aa23000eb32beea8ed44e013
Diameter
1632711978
Circumference
5129315955.5129
Area
2.0936738998781E+18
Volume
2.2789109695713E+27
Surface area
8.3746955995124E+18
Circumference
5129315955.5129
Perimeter
3265423956
Area
666437100776168121
Diagonal
1154501711.3683
Surface area
3998622604657008726
Volume
5.4404991851042E+26
Space diagonal
1413970050.0111
Perimeter
2449067967
Area
2.8857572964831E+17
Altitude
706985025.00557
Surface area
2.8857572964831E+17
Volume
6.4116897780451E+25
Height
384833903.78943