668387788 (number)

668387788 is an even 9-digits composite number following 668387787 and preceding 668387789. In scientific notation, it is written as 6.68387788 × 10^8. The sum of its digits is 61. It has a total of 3 prime factors and 6 positive divisors. There are 334193892 positive integers (up to 668387788) that are relatively prime to 668387788.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million three hundred eighty-seven thousand seven hundred eighty-eight

Notation

Scientific notation 6.68387788 × 10^8
Engineering notation 6.68387788 × 10^6

Prime Factorization of 668387788

Prime Factorization 2 × 2 × 167096947

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 334193894
Product of the distinct prime numbers

The prime factorization of 668387788 is 2 × 2 × 167096947. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668387788)

Multiplication

n×y
n×2 1336775576
n×3 2005163364
n×4 2673551152
n×5 3341938940

Division

n÷y
n÷2 334193894
n÷3 222795929.33333
n÷3 167096947
n÷5 133677557.6

Exponentiation

ny
n2 446742235147532944
n3 2.9859705435644E+26
n4 1.9957862466461E+35
n5 1.3339591547166E+44

Nth Root

y√n
2√n 25853.196862284
3√n 874.33158770689
4√n 160.78929336956
5√n 58.211085947991

Divisors of 668387788

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668387787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668387788 can be divided by 6 positive divisors. The sum of these divisors (counting 668387788) is 1, the average is 0.16666666666667.

Base conversion 668387788

Base System Value
2 Binary 100111110101101100100111001100
3 Ternary 1201120200121200021
4 Quaternary 213311230213030
5 Quinary 2332101402123
6 Senary 150153511524
8 Octal 4765544714
10 Decimal 668387788
12 Duodecimal 167a125a4
16 Hexadecimal 27d6c9cc
20 Vigesimal a8h8998
36 Base36 b1xvbg

Cryptographic Hash Functions

md5 38d6ecf4878f8ce0dd25639e6021e405
sha1 ad5b1b7250e85eb44393c0b92b85325190d2b291
sha256 ae1d45eea7803d31e5cf156bc3a6c0cf396f6d769d2ceffbfc575cf8dcd8ca83
sha512 86062877a879de826b69fc4fb86003e88439754690a9a8b9ac656d6e2f23c0a03b8001f0460612bd2a303dc7663f973bfa6c50b6531cc3927b1b2ae9d87f8b3a
ripemd-160 a0d3d9d4db84bbbebd151fc2ea1622e77fa0a0d0

668387788 as geometric shapes

Circle

Radius = n
Diameter 1336775576
Circumference 4199604329.0599
Area 1.4034821239878E+18

Sphere

Radius = n
Volume 1.2507604164663E+27
Surface area 5.6139284959511E+18
Circumference 4199604329.0599

Square

Length = n
Perimeter 2673551152
Area 446742235147532944
Diagonal 945243074.71415

Cube

Length = n
Surface area 2680453410885197664
Volume 2.9859705435644E+26
Space diagonal 1157681607.9746

Equilateral Triangle

Length = n
Perimeter 2005163364
Area 1.934450622906E+17
Altitude 578840803.98729

Triangular Pyramid

Length = n
Surface area 1.934450622906E+17
Volume 3.5190000329627E+25
Height 315081024.90472