7991388049 (number)

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.

Interesting facts

Basic properties

Name

Name seven billion nine hundred ninety-one million three hundred eighty-eight thousand forty-nine

Notation

Scientific notation 7.991388049 × 10^9
Engineering notation 7.991388049 × 10^9

Prime Factorization of 7991388049

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.

Most popular turbo-numbers

Basic calculations (n = 7991388049)

Multiplication

n×y
n×2 15982776098
n×3 23974164147
n×4 31965552196
n×5 39956940245

Division

n÷y
n÷2 3995694024.5
n÷3 2663796016.3333
n÷3 1997847012.25
n÷5 1598277609.8

Exponentiation

ny
n2 6.38622829497E+19
n3 5.1034828474609E+29
n4 4.0783911835475E+39
n5 3.2592006563349E+49

Nth Root

y√n
2√n 89394.563867161
3√n 1999.2820797428
4√n 298.98923704234
5√n 95.614650955036

Divisors of 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 conversion 7991388049

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

Cryptographic Hash Functions

md5 3135c1ab79fadb8cab2d2c7dddb3fa80
sha1 5d63e6a9e42bf1db1ad390dc56d40ce917773497
sha256 2a9e5b72995acafc206b137bd03b845f1c9b929f946cf5720fcba60731abbea8
sha512 468825fa38e35a93c5ef41c55ab2b9ed779f286ba3f42a96f1c26bf6714922637be8cc5b6135f39bce4d66a3ed22685f7075c8fd64d76f8cee354455971b6e7d
ripemd-160 cdd1b327bce861e2696b7914e4d9dd903235e89b

7991388049 as geometric shapes

Circle

Radius = n
Diameter 15982776098
Circumference 50211371973.447
Area 2.0062927895625E+20

Sphere

Radius = n
Volume 2.137741896174E+30
Surface area 8.02517115825E+20
Circumference 50211371973.447

Square

Length = n
Perimeter 31965552196
Area 6.38622829497E+19
Diagonal 11301529361.082

Cube

Length = n
Surface area 3.831736976982E+20
Volume 5.1034828474609E+29
Space diagonal 13841490123.867

Equilateral Triangle

Length = n
Perimeter 23974164147
Area 2.7653179689055E+19
Altitude 6920745061.9334

Triangular Pyramid

Length = n
Surface area 2.7653179689055E+19
Volume 6.0145122151814E+28
Height 3767176453.694