7991388049 is an odd 10-digits composite number following 7991388048
and preceding 7991388050 . In scientific notation, it is written as 7.991388049 × 10^9.
The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors.
There are 7566447672 positive integers (up to 7991388049) that are relatively prime to 7991388049.
7991388049 has 12 divisors, whose sum is 8438961024
The reverse of 7991388049 is 9408831997
Previous prime number is 10607
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 58
Digital Root 4
Name
seven billion nine hundred ninety-one million three hundred eighty-eight thousand forty-nine
Scientific notation
7.991388049 × 10^9
Engineering notation
7.991388049 × 10^9
Prime Factorization
19 × 19 × 10607 × 2087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
420599371
Product of the distinct prime numbers
The prime factorization of 7991388049 is 19 × 19 × 10607 × 2087.
Since it has a total of 4 prime factors.
3 , 1 , 90 , 7 , 969 , 965 , 8036 , 6033 , 42699 , 78677 , 404620 , 256092 , 4114603 , 8916387 , 26895695 , 76352444 , 269259799 , 243421315 , 2359158907 , 2384186893
n×2
15982776098
n×3
23974164147
n×4
31965552196
n×5
39956940245
n÷2
3995694024.5
n÷3
2663796016.3333
n÷3
1997847012.25
n÷5
1598277609.8
n2
6.38622829497E+19
n3
5.1034828474609E+29
n4
4.0783911835475E+39
n5
3.2592006563349E+49
2 √n
89394.563867161
3 √n
1999.2820797428
4 √n
298.98923704234
5 √n
95.614650955036
1 , 19 , 361 , 2087 , 10607 , 39653 , 201533 , 753407 , 3829127 , 22136809 , 420599371 , 7991388049
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
-7991388048
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 7991388049 can be divided by 12 positive divisors.
The sum of these divisors (counting 7991388049) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011100010100101110011110010001
3
Ternary
202121221012120112011
4
Quaternary
13130110232132101
5
Quinary
112331243404144
6
Senary
3400551102521
8
Octal
73424563621
10
Decimal
7991388049
12
Duodecimal
1670371a41
16
Hexadecimal
1dc52e791
20
Vigesimal
64h63a29
36
Base36
3o5v6hd
md5
3135c1ab79fadb8cab2d2c7dddb3fa80
sha1
5d63e6a9e42bf1db1ad390dc56d40ce917773497
sha256
2a9e5b72995acafc206b137bd03b845f1c9b929f946cf5720fcba60731abbea8
sha512
468825fa38e35a93c5ef41c55ab2b9ed779f286ba3f42a96f1c26bf6714922637be8cc5b6135f39bce4d66a3ed22685f7075c8fd64d76f8cee354455971b6e7d
ripemd-160
cdd1b327bce861e2696b7914e4d9dd903235e89b
Diameter
15982776098
Circumference
50211371973.447
Area
2.0062927895625E+20
Volume
2.137741896174E+30
Surface area
8.02517115825E+20
Circumference
50211371973.447
Perimeter
31965552196
Area
6.38622829497E+19
Diagonal
11301529361.082
Surface area
3.831736976982E+20
Volume
5.1034828474609E+29
Space diagonal
13841490123.867
Perimeter
23974164147
Area
2.7653179689055E+19
Altitude
6920745061.9334
Surface area
2.7653179689055E+19
Volume
6.0145122151814E+28
Height
3767176453.694