816996989 is an odd 9-digits composite number following 816996988
and preceding 816996990 . In scientific notation, it is written as 8.16996989 × 10^8.
The sum of its digits is 65. It has a total of 2 prime factors and 4 positive divisors.
There are 813606720 positive integers (up to 816996989) that are relatively prime to 816996989.
816996989 has 4 divisors, whose sum is 820387260
The reverse of 816996989 is 989699618
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 65
Digital Root 2
Name
eight hundred sixteen million nine hundred ninety-six thousand nine hundred eighty-nine
Scientific notation
8.16996989 × 10^8
Engineering notation
8.16996989 × 10^6
Prime Factorization
241 × 3390029
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
816996989
Product of the distinct prime numbers
The prime factorization of 816996989 is 241 × 3390029.
Since it has a total of 2 prime factors.
9 , 4 , 48 , 82 , 841 , 820 , 1112 , 2576 , 20673 , 15792 , 826602 , 548774 , 7080527 , 260361 , 9684690 , 34301404 , 882047981 , 600137125 , 1208599460 , 8424941792
n×2
1633993978
n×3
2450990967
n×4
3267987956
n×5
4084984945
n÷2
408498494.5
n÷3
272332329.66667
n÷3
204249247.25
n÷5
163399397.8
n2
667484080035066121
n3
5.4533248359408E+26
n4
4.4553499710026E+35
n5
3.6400075112503E+44
2 √n
28583.159185087
3 √n
934.84616760559
4 √n
169.06554700792
5 √n
60.596018735105
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
-816996988
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 816996989 can be divided by 4 positive divisors.
The sum of these divisors (counting 816996989) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000101100100110001001111101
3
Ternary
2002221022202011202
4
Quaternary
300230212021331
5
Quinary
3133122400424
6
Senary
213023025245
8
Octal
6054461175
10
Decimal
816996989
12
Duodecimal
1a973b225
16
Hexadecimal
30b2627d
20
Vigesimal
cf64c99
36
Base36
dif2wt
md5
dc2a4029b263bd5a6cc3358cf0cb8a49
sha1
b67eae8e8909ab091e75cbe353ec8608faef9bef
sha256
1e86e233f4606c66aa1e813ebdf3c5f6d0932eeb0ceeed2c384aa93d84315f09
sha512
830be7fed73eabb3c7c53d58d93b2d65d68dafee880ef7ada89fd1e14e93a9d6ad3c93f654c2ea0cbd4f0ea8a78bbe710272a01cd8b890be3b08c6812c28817f
ripemd-160
1010281e648de9cde3b97a3d8205ec83cfc457a8
Diameter
1633993978
Circumference
5133343477.2948
Area
2.0969630822263E+18
Volume
2.2842833656307E+27
Surface area
8.3878523289052E+18
Circumference
5133343477.2948
Perimeter
3267987956
Area
667484080035066121
Diagonal
1155408222.2618
Surface area
4004904480210396726
Volume
5.4533248359408E+26
Space diagonal
1415080294.5788
Perimeter
2450990967
Area
2.8902908496603E+17
Altitude
707540147.2894
Surface area
2.8902908496603E+17
Volume
6.4268049525113E+25
Height
385136074.08726