7894394081 is an odd 10-digits composite number following 7894394080
and preceding 7894394082 . In scientific notation, it is written as 7.894394081 × 10^9.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 6665338368 positive integers (up to 7894394081) that are relatively prime to 7894394081.
7894394081 has 16 divisors, whose sum is 9157747200
The reverse of 7894394081 is 1804934987
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
seven billion eight hundred ninety-four million three hundred ninety-four thousand eighty-one
Scientific notation
7.894394081 × 10^9
Engineering notation
7.894394081 × 10^9
Prime Factorization
7 × 79 × 433 × 32969
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7894394081
Product of the distinct prime numbers
The prime factorization of 7894394081 is 7 × 79 × 433 × 32969.
Since it has a total of 4 prime factors.
1 , 1 , 11 , 86 , 824 , 964 , 1186 , 2509 , 56326 , 91300 , 722623 , 838294 , 5983001 , 5937415 , 60963452 , 7610510 , 284939734 , 53444706 , 23595591 , 697745410
n×2
15788788162
n×3
23683182243
n×4
31577576324
n×5
39471970405
n÷2
3947197040.5
n÷3
2631464693.6667
n÷3
1973598520.25
n÷5
1578878816.2
n2
6.2321457906128E+19
n3
4.9199014841343E+29
n4
3.8839641155453E+39
n5
3.0661543324577E+49
2 √n
88850.402818445
3 √n
1991.1604958911
4 √n
298.07784690991
5 √n
95.381414880784
1 , 7 , 79 , 433 , 553 , 3031 , 32969 , 34207 , 230783 , 239449 , 2604551 , 14275577 , 18231857 , 99929039 , 1127770583 , 7894394081
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
-7894394080
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 7894394081 can be divided by 16 positive divisors.
The sum of these divisors (counting 7894394081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010110100010101110010011100001
3
Ternary
202101011200202210222
4
Quaternary
13112202232103201
5
Quinary
112131431102311
6
Senary
3343204132425
8
Octal
72642562341
10
Decimal
7894394081
12
Duodecimal
1643997115
16
Hexadecimal
1d68ae4e1
20
Vigesimal
636jj541
36
Base36
3mk49gh
md5
37b7d5b2b8e5f85337626845760e7687
sha1
945682f2270bb5d9ac254e302f7434ad475c3e4b
sha256
00614453eb43dd7c398748f37acb9507f0e6256eaad1924554b364bc49677cea
sha512
49096f876ee1cbf396428fb90c3aed85b29b858b1e9e6920b29b97b79d5248f70b1627e32ec7487e45e51315a114ecfd280bb8dfe658a783592c8aaef0c29364
ripemd-160
174ac3a676219add56301d27d9e0035e0af4c238
Diameter
15788788162
Circumference
49601940898.825
Area
1.957886343189E+20
Volume
2.0608435145256E+30
Surface area
7.8315453727559E+20
Circumference
49601940898.825
Perimeter
31577576324
Area
6.2321457906128E+19
Diagonal
11164359176.068
Surface area
3.7392874743677E+20
Volume
4.9199014841343E+29
Space diagonal
13673491643.263
Perimeter
23683182243
Area
2.6985982873795E+19
Altitude
6836745821.6315
Surface area
2.6985982873795E+19
Volume
5.7981595036685E+28
Height
3721453058.6894