868996981 is an odd 9-digits composite number following 868996980
and preceding 868996982 . In scientific notation, it is written as 8.68996981 × 10^8.
The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors.
There are 864629964 positive integers (up to 868996981) that are relatively prime to 868996981.
868996981 has 4 divisors, whose sum is 873364000
The reverse of 868996981 is 189699868
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 64
Digital Root 1
Name
eight hundred sixty-eight million nine hundred ninety-six thousand nine hundred eighty-one
Scientific notation
8.68996981 × 10^8
Engineering notation
8.68996981 × 10^6
Prime Factorization
199 × 4366819
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
868996981
Product of the distinct prime numbers
The prime factorization of 868996981 is 199 × 4366819.
Since it has a total of 2 prime factors.
9 , 10 , 11 , 29 , 324 , 958 , 4207 , 2245 , 91936 , 276 , 725805 , 1415 , 3901853 , 5541807 , 34405177 , 61892152 , 48454255 , 76210282 , 9529333851 , 2497902117
n×2
1737993962
n×3
2606990943
n×4
3475987924
n×5
4344984905
n÷2
434498490.5
n÷3
289665660.33333
n÷3
217249245.25
n÷5
173799396.2
n2
755155752987114361
n3
6.5622806953058E+26
n4
5.7026021126954E+35
n5
4.9555440197765E+44
2 √n
29478.754739643
3 √n
954.27326306622
4 √n
171.69378188986
5 √n
61.34845833474
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
-868996980
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 868996981 can be divided by 4 positive divisors.
The sum of these divisors (counting 868996981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110011110010111101011101110101
3
Ternary
2020120011121202101
4
Quaternary
303302331131311
5
Quinary
3234430400411
6
Senary
222121342101
8
Octal
6362753565
10
Decimal
868996981
12
Duodecimal
203037931
16
Hexadecimal
33cbd775
20
Vigesimal
dbb4c91
36
Base36
eddmd1
md5
6df1861e0e5548ade257a7d309987df8
sha1
e93d7ee028e8f2597518b11c5d254836afdc8e8e
sha256
abf4a38f8be64f77cc5eb42638b7ea11ddd99ccd29635bfaa9cb957bcf73ba35
sha512
e956e9ecd5cf7060de341b52b2fee89759bde4fa9a999ac561263fd012e1417b92b1ac037a9a91c973c9ab38e738edeb81a24f78e709cd689255944a56c51416
ripemd-160
6aecbf219ed85da304ac1d27158ac0feaec53e8f
Diameter
1737993962
Circumference
5460069063.0026
Area
2.3723917659004E+18
Volume
2.7488017097556E+27
Surface area
9.4895670636015E+18
Circumference
5460069063.0026
Perimeter
3475987924
Area
755155752987114361
Diagonal
1228947316.1915
Surface area
4530934517922686166
Volume
6.5622806953058E+26
Space diagonal
1505146922.716
Perimeter
2606990943
Area
3.269920329504E+17
Altitude
752573461.35798
Surface area
3.269920329504E+17
Volume
7.7337219661672E+25
Height
409649105.39716