815888961 is an odd 9-digits composite number following 815888960
and preceding 815888962 . In scientific notation, it is written as 8.15888961 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 529225056 positive integers (up to 815888961) that are relatively prime to 815888961.
815888961 has 12 divisors, whose sum is 1210358292
The reverse of 815888961 is 169888518
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
eight hundred fifteen million eight hundred eighty-eight thousand nine hundred sixty-one
Scientific notation
8.15888961 × 10^8
Engineering notation
8.15888961 × 10^6
Prime Factorization
3 × 3 × 37 × 2450117
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
271962987
Product of the distinct prime numbers
The prime factorization of 815888961 is 3 × 3 × 37 × 2450117.
Since it has a total of 4 prime factors.
5 , 2 , 96 , 77 , 48 , 17 , 5748 , 7180 , 96078 , 86689 , 248948 , 904043 , 4451489 , 2501141 , 66320168 , 32223422 , 347516867 , 52349242 , 2342240554 , 4537976129
n×2
1631777922
n×3
2447666883
n×4
3263555844
n×5
4079444805
n÷2
407944480.5
n÷3
271962987
n÷3
203972240.25
n÷5
163177792.2
n2
665674796681659521
n3
5.4311671822849E+26
n4
4.4312293493717E+35
n5
3.6153911098116E+44
2 √n
28563.770076795
3 √n
934.42335725241
4 √n
169.00819529477
5 √n
60.579573499736
1 , 3 , 9 , 37 , 111 , 333 , 2450117 , 7350351 , 22051053 , 90654329 , 271962987 , 815888961
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
-815888960
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 815888961 can be divided by 12 positive divisors.
The sum of these divisors (counting 815888961) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000101000010111101001000001
3
Ternary
2002212020110020200
4
Quaternary
300220113221001
5
Quinary
3132331421321
6
Senary
212543155413
8
Octal
6050275101
10
Decimal
815888961
12
Duodecimal
1a92a5b69
16
Hexadecimal
30a17a41
20
Vigesimal
cej6281
36
Base36
dhrby9
md5
fba3772ee8f4a202b9201a33628d492b
sha1
cf5a17845a89a5cfbff92c53cdddf1fa2af28d68
sha256
19a75e87bc5f7efb34e5d1fcf249f7276c679cb5b54c9b36e5766bcb70c4794d
sha512
f80d45dcec7642aad09b15308379bf322bc647bb03479e40b75194881a75032b6aba942b64d934d673f36327657c9285dad71146d20fa382d0e33846dd34a837
ripemd-160
3857755d7de519bfe7d9410ff6f304ccdb52f48b
Diameter
1631777922
Circumference
5126381532.0452
Area
2.091279050935E+18
Volume
2.2750019893712E+27
Surface area
8.3651162037399E+18
Circumference
5126381532.0452
Perimeter
3263555844
Area
665674796681659521
Diagonal
1153841234.0367
Surface area
3994048780089957126
Volume
5.4311671822849E+26
Space diagonal
1413161133.7866
Perimeter
2447666883
Area
2.8824564229268E+17
Altitude
706580566.89329
Surface area
2.8824564229268E+17
Volume
6.4006919072524E+25
Height
384613744.6789