7988391057 is an odd 10-digits composite number following 7988391056
and preceding 7988391058 . In scientific notation, it is written as 7.988391057 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 5152698432 positive integers (up to 7988391057) that are relatively prime to 7988391057.
7988391057 has 16 divisors, whose sum is 11000197440
The reverse of 7988391057 is 7501938897
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
seven billion nine hundred eighty-eight million three hundred ninety-one thousand fifty-seven
Scientific notation
7.988391057 × 10^9
Engineering notation
7.988391057 × 10^9
Prime Factorization
3 × 37 × 179 × 402053
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7988391057
Product of the distinct prime numbers
The prime factorization of 7988391057 is 3 × 37 × 179 × 402053.
Since it has a total of 4 prime factors.
2 , 10 , 10 , 90 , 868 , 438 , 2251 , 8023 , 69223 , 54948 , 137836 , 532670 , 7345041 , 2886891 , 74372900 , 56442507 , 860944821 , 389160356 , 8228316856 , 9938703696
n×2
15976782114
n×3
23965173171
n×4
31953564228
n×5
39941955285
n÷2
3994195528.5
n÷3
2662797019
n÷3
1997097764.25
n÷5
1597678211.4
n2
6.3814391679558E+19
n3
5.0977431580087E+29
n4
4.072276585432E+39
n5
3.2530937856695E+49
2 √n
89377.799575734
3 √n
1999.0321197628
4 √n
298.96120078655
5 √n
95.607478250156
1 , 3 , 37 , 111 , 179 , 537 , 6623 , 19869 , 402053 , 1206159 , 14875961 , 44627883 , 71967487 , 215902461 , 2662797019 , 7988391057
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
-7988391056
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 7988391057 can be divided by 16 positive divisors.
The sum of these divisors (counting 7988391057) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011100001001010010110010010001
3
Ternary
202121201120022102110
4
Quaternary
13130021102302101
5
Quinary
112330012003212
6
Senary
3400402535533
8
Octal
73411226221
10
Decimal
7988391057
12
Duodecimal
166b3675a9
16
Hexadecimal
1dc252c91
20
Vigesimal
64g78hch
36
Base36
3o42xzl
md5
0ef29e088c1facbaedb51f52932bf9ab
sha1
f32b8db19272ac55a34a4ce2b646711d290746ca
sha256
bccab4fbd0c48ed28689b622bd570bf7de0380f604772b9787a1993ad341c889
sha512
3ec6dd63fdab38a26778a446548a5af67790aa1e05923e25136afb5ffda0f61518116d581a56dd3a10eb91aa1c3bf9db4873d9bc3ca1e93db410313604c79345
ripemd-160
b969969c2eaf349cc67465aa4736d1b9606b9991
Diameter
15976782114
Circumference
50192541317.347
Area
2.004788240938E+20
Volume
2.1353376606784E+30
Surface area
8.019152963752E+20
Circumference
50192541317.347
Perimeter
31953564228
Area
6.3814391679558E+19
Diagonal
11297290974.349
Surface area
3.8288635007735E+20
Volume
5.0977431580087E+29
Space diagonal
13836299181.453
Perimeter
23965173171
Area
2.7632442160774E+19
Altitude
6918149590.7264
Surface area
2.7632442160774E+19
Volume
6.0077479262922E+28
Height
3765763658.1164