816996985 is an odd 9-digits composite number following 816996984
and preceding 816996986 . In scientific notation, it is written as 8.16996985 × 10^8.
The sum of its digits is 61. It has a total of 4 prime factors and 16 positive divisors.
There are 557319168 positive integers (up to 816996985) that are relatively prime to 816996985.
816996985 has 16 divisors, whose sum is 1126267776
The reverse of 816996985 is 589699618
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
eight hundred sixteen million nine hundred ninety-six thousand nine hundred eighty-five
Scientific notation
8.16996985 × 10^8
Engineering notation
8.16996985 × 10^6
Prime Factorization
5 × 7 × 193 × 120947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
816996985
Product of the distinct prime numbers
The prime factorization of 816996985 is 5 × 7 × 193 × 120947.
Since it has a total of 4 prime factors.
5 , 9 , 100 , 67 , 788 , 156 , 855 , 4853 , 25218 , 94884 , 110961 , 225624 , 2505194 , 9343478 , 60494812 , 32036385 , 944845574 , 50288001 , 1818064082 , 8158743766
n×2
1633993970
n×3
2450990955
n×4
3267987940
n×5
4084984925
n÷2
408498492.5
n÷3
272332328.33333
n÷3
204249246.25
n÷5
163399397
n2
667484073499090225
n3
5.4533247558428E+26
n4
4.4553498837494E+35
n5
3.6400074221434E+44
2 √n
28583.159115115
3 √n
934.84616607992
4 √n
169.06554680098
5 √n
60.59601867577
1 , 5 , 7 , 35 , 193 , 965 , 1351 , 6755 , 120947 , 604735 , 846629 , 4233145 , 23342771 , 116713855 , 163399397 , 816996985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-816996984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 816996985 can be divided by 16 positive divisors.
The sum of these divisors (counting 816996985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000101100100110001001111001
3
Ternary
2002221022202011121
4
Quaternary
300230212021321
5
Quinary
3133122400420
6
Senary
213023025241
8
Octal
6054461171
10
Decimal
816996985
12
Duodecimal
1a973b221
16
Hexadecimal
30b26279
20
Vigesimal
cf64c95
36
Base36
dif2wp
md5
f639e27d9d6188955192c83a954377b1
sha1
1899e3cc1eb47cea24d9f56249b7fdc6dffb1cb0
sha256
65cd71e76f9a94457a10194d7ba987be390b6aa815cd2ffb16ad0990500203ca
sha512
6dd0d6fc254ba44ff4f4e748068f66490f568c55fdcbe33d4d57b6a3be59f5f256365aff8f6758e20c17304e0dbe3b6cec22f02da9765267edefce498ab5da97
ripemd-160
74cd939c0280875a62d09aeb907b02bfe42dc260
Diameter
1633993970
Circumference
5133343452.162
Area
2.0969630616929E+18
Volume
2.2842833320793E+27
Surface area
8.3878522467717E+18
Circumference
5133343452.162
Perimeter
3267987940
Area
667484073499090225
Diagonal
1155408216.6049
Surface area
4004904440994541350
Volume
5.4533247558428E+26
Space diagonal
1415080287.6506
Perimeter
2450990955
Area
2.8902908213587E+17
Altitude
707540143.82529
Surface area
2.8902908213587E+17
Volume
6.4268048581148E+25
Height
385136072.20164