668728311 (number)

668728311 is an odd 9-digits composite number following 668728310 and preceding 668728312. In scientific notation, it is written as 6.68728311 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 431028000 positive integers (up to 668728311) that are relatively prime to 668728311.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million seven hundred twenty-eight thousand three hundred eleven

Notation

Scientific notation 6.68728311 × 10^8
Engineering notation 6.68728311 × 10^6

Prime Factorization of 668728311

Prime Factorization 3 × 31 × 1301 × 5527

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 668728311
Product of the distinct prime numbers

The prime factorization of 668728311 is 3 × 31 × 1301 × 5527. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668728311)

Multiplication

n×y
n×2 1337456622
n×3 2006184933
n×4 2674913244
n×5 3343641555

Division

n÷y
n÷2 334364155.5
n÷3 222909437
n÷3 167182077.75
n÷5 133745662.2

Exponentiation

ny
n2 447197553932912721
n3 2.9905366492489E+26
n4 1.9998565224358E+35
n5 1.3373606744908E+44

Nth Root

y√n
2√n 25859.781727617
3√n 874.48004417357
4√n 160.80976875681
5√n 58.217016090848

Divisors of 668728311

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 -668728310
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 668728311 can be divided by 16 positive divisors. The sum of these divisors (counting 668728311) is 1, the average is 0.0625.

Base conversion 668728311

Base System Value
2 Binary 100111110110111111101111110111
3 Ternary 1201121022220210020
4 Quaternary 213312333233313
5 Quinary 2332143301221
6 Senary 150205100223
8 Octal 4766775767
10 Decimal 668728311
12 Duodecimal 167b57673
16 Hexadecimal 27dbfbf7
20 Vigesimal a8jb0fb
36 Base36 b2562f

Cryptographic Hash Functions

md5 df36bd8a3f39a0dd413f2844d6cf6847
sha1 df7762f64c7a29afd9d468920db07e6e37de942c
sha256 ccbb5de85616a350dc141d00690e0fcf6956dade907d959ff1914bd9cd3209d0
sha512 4a004411ccfa9c2c1aeb4403ad6efba80a1c98c0fd0f619a6bb364536a9445cfa0e55dbc0e632ef3a297041efe177178eb289852ffe1973079a0f9d146dbe27e
ripemd-160 0873c6ab6e2b32932a4113b3d58150b1ea24048a

668728311 as geometric shapes

Circle

Radius = n
Diameter 1337456622
Circumference 4201743898.1702
Area 1.404912550139E+18

Sphere

Radius = n
Volume 1.2526730623428E+27
Surface area 5.6196502005559E+18
Circumference 4201743898.1702

Square

Length = n
Perimeter 2674913244
Area 447197553932912721
Diagonal 945724646.95905

Cube

Length = n
Surface area 2683185323597476326
Volume 2.9905366492489E+26
Space diagonal 1158271411.1117

Equilateral Triangle

Length = n
Perimeter 2006184933
Area 1.9364222110808E+17
Altitude 579135705.55586

Triangular Pyramid

Length = n
Surface area 1.9364222110808E+17
Volume 3.524381240118E+25
Height 315241548.98635