668698728 (number)

668698728 is an even 9-digits composite number following 668698727 and preceding 668698729. In scientific notation, it is written as 6.68698728 × 10^8. The sum of its digits is 60. It has a total of 6 prime factors and 32 positive divisors. There are 221563520 positive integers (up to 668698728) that are relatively prime to 668698728.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million six hundred ninety-eight thousand seven hundred twenty-eight

Notation

Scientific notation 6.68698728 × 10^8
Engineering notation 6.68698728 × 10^6

Prime Factorization of 668698728

Prime Factorization 2 × 2 × 2 × 3 × 167 × 166841

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 167174682
Product of the distinct prime numbers

The prime factorization of 668698728 is 2 × 2 × 2 × 3 × 167 × 166841. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668698728)

Multiplication

n×y
n×2 1337397456
n×3 2006096184
n×4 2674794912
n×5 3343493640

Division

n÷y
n÷2 334349364
n÷3 222899576
n÷3 167174682
n÷5 133739745.6

Exponentiation

ny
n2 447157988828817984
n3 2.9901397834487E+26
n4 1.9995026697343E+35
n5 1.337064891884E+44

Nth Root

y√n
2√n 25859.209732705
3√n 874.46714898918
4√n 160.80799026387
5√n 58.216501004397

Divisors of 668698728

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668698727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668698728 can be divided by 32 positive divisors. The sum of these divisors (counting 668698728) is 1, the average is 0.03125.

Base conversion 668698728

Base System Value
2 Binary 100111110110111000100001101000
3 Ternary 1201121021102012120
4 Quaternary 213312320201220
5 Quinary 2332141324403
6 Senary 150204311240
8 Octal 4766704150
10 Decimal 668698728
12 Duodecimal 167b42520
16 Hexadecimal 27db8868
20 Vigesimal a8j76g8
36 Base36 b24j8o

Cryptographic Hash Functions

md5 1de3c511a6da6505fa5bcf55e1047c05
sha1 6bbac5e7ff7f40e26788b0b918d94c05b0ad76b6
sha256 e0165d04b2c5df3d4dffa991addaac71ea08ac06abdfb78ad76cae04b5a7f06d
sha512 05536bc6fd1d7ca28866d613a59449ead6942ed113c422f3045ab8e6140d8f93dbfe5b5345f2432fb8c4deb9e36ead7ba8e422eb7697d80564882a5a8ce41f8e
ripemd-160 987886dd15211174ddd5e4307b33f9b8eb72e5be

668698728 as geometric shapes

Circle

Radius = n
Diameter 1337397456
Circumference 4201558022.6993
Area 1.4047882526986E+18

Sphere

Radius = n
Volume 1.2525068235852E+27
Surface area 5.6191530107944E+18
Circumference 4201558022.6993

Square

Length = n
Perimeter 2674794912
Area 447157988828817984
Diagonal 945682810.27924

Cube

Length = n
Surface area 2682947932972907904
Volume 2.9901397834487E+26
Space diagonal 1158220171.8527

Equilateral Triangle

Length = n
Perimeter 2006096184
Area 1.9362508891546E+17
Altitude 579110085.92634

Triangular Pyramid

Length = n
Surface area 1.9362508891546E+17
Volume 3.5239135292871E+25
Height 315227603.42641