7990390640 is an even 10-digits composite number following 7990390639
and preceding 7990390641 . In scientific notation, it is written as 7.990390640 × 10^9.
The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors.
There are 3196156224 positive integers (up to 7990390640) that are relatively prime to 7990390640.
7990390640 has 20 divisors, whose sum is 18577658424
The reverse of 7990390640 is 0460930997
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 47
Digital Root 2
Name
seven billion nine hundred ninety million three hundred ninety thousand six hundred forty
Scientific notation
7.990390640 × 10^9
Engineering notation
7.990390640 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 5 × 99879883
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
998798830
Product of the distinct prime numbers
The prime factorization of 7990390640 is 2 × 2 × 2 × 2 × 5 × 99879883.
Since it has a total of 6 prime factors.
8 , 1 , 73 , 4 , 49 , 606 , 7441 , 7378 , 50646 , 24156 , 925275 , 2324 , 470248 , 7822042 , 96020998 , 11723388 , 275899891 , 744527484 , 9597048433 , 7569498630
n×2
15980781280
n×3
23971171920
n×4
31961562560
n×5
39951953200
n÷2
3995195320
n÷3
2663463546.6667
n÷3
1997597660
n÷5
1598078128
n2
6.38463425798E+19
n3
5.1015721814786E+29
n4
4.0763554608171E+39
n5
3.2571672519426E+49
2 √n
89388.985003746
3 √n
1999.1988991616
4 √n
298.97990735791
5 √n
95.612264093723
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 99879883 , 199759766 , 399519532 , 499399415 , 799039064 , 998798830 , 1598078128 , 1997597660 , 3995195320 , 7990390640
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7990390639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7990390640 can be divided by 20 positive divisors.
The sum of these divisors (counting 7990390640) is 1, the average is 0.05.
Base
System
Value
2
Binary
111011100010000111010111101110000
3
Ternary
202121212022220100002
4
Quaternary
13130100322331300
5
Quinary
112331020000030
6
Senary
3400513445132
8
Octal
73420727560
10
Decimal
7990390640
12
Duodecimal
166bb707a8
16
Hexadecimal
1dc43af70
20
Vigesimal
64gjigc0
36
Base36
3o59svk
md5
d8591f90dd3cba1819777f8ce24a1907
sha1
93959630b8743dc297aea0d999cfd788905926fd
sha256
53e5128a58ea44a94ad5ae2496b47ea7ba12335dc114e7c21b194fa97f90df2e
sha512
0477dcc0683e78407c4f26a8126067f105768d4cf3b0ec8f4368772abd76b9c8e75fa547b91d3365463cce796e6aa7cba4f42d96288b31ed53895c3f71023447
ripemd-160
9b1b2e3b82fa01d1c5aa840d7bd24842ba8ed6a6
Diameter
15980781280
Circumference
50205105067.873
Area
2.0057920080728E+20
Volume
2.1369415582788E+30
Surface area
8.023168032291E+20
Circumference
50205105067.873
Perimeter
31961562560
Area
6.38463425798E+19
Diagonal
11300118811.747
Surface area
3.830780554788E+20
Volume
5.1015721814786E+29
Space diagonal
13839762560.803
Perimeter
23971171920
Area
2.7646277306415E+19
Altitude
6919881280.4014
Surface area
2.7646277306415E+19
Volume
6.012260473727E+28
Height
3766706270.5823