668698729 (number)

668698729 is an odd 9-digits composite number following 668698728 and preceding 668698730. In scientific notation, it is written as 6.68698729 × 10^8. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 668470084 positive integers (up to 668698729) that are relatively prime to 668698729.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68698729 × 10^8
Engineering notation 6.68698729 × 10^6

Prime Factorization of 668698729

Prime Factorization 2963 × 225683

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668698729
Product of the distinct prime numbers

The prime factorization of 668698729 is 2963 × 225683. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668698729)

Multiplication

n×y
n×2 1337397458
n×3 2006096187
n×4 2674794916
n×5 3343493645

Division

n÷y
n÷2 334349364.5
n÷3 222899576.33333
n÷3 167174682.25
n÷5 133739745.8

Exponentiation

ny
n2 447157990166215441
n3 2.9901397968634E+26
n4 1.9995026816949E+35
n5 1.3370649018815E+44

Nth Root

y√n
2√n 25859.20975204
3√n 874.46714942508
4√n 160.80799032399
5√n 58.216501021808

Divisors of 668698729

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668698728
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668698729 can be divided by 4 positive divisors. The sum of these divisors (counting 668698729) is 1, the average is 0.25.

Base conversion 668698729

Base System Value
2 Binary 100111110110111000100001101001
3 Ternary 1201121021102012121
4 Quaternary 213312320201221
5 Quinary 2332141324404
6 Senary 150204311241
8 Octal 4766704151
10 Decimal 668698729
12 Duodecimal 167b42521
16 Hexadecimal 27db8869
20 Vigesimal a8j76g9
36 Base36 b24j8p

Cryptographic Hash Functions

md5 d20183f40f8fa1557e5a958683416305
sha1 da2dbe60c1779bf56639d241b06bd02aeb374be8
sha256 b8d4f74cebfab23cece4875c1a0735de59c3e3b064ea86464c8084845d39c411
sha512 45f11edf1d41eb5fc4e5ff846b74bea293d48ddde40dacedff9c1fb66c23bd01e9edd1b6cb235062a333481c5e23eb56041dd9c3200cd470de2a6ce30ef36bdd
ripemd-160 37d7a2618e0029918f2e785946fe9e289e59800c

668698729 as geometric shapes

Circle

Radius = n
Diameter 1337397458
Circumference 4201558028.9825
Area 1.4047882569002E+18

Sphere

Radius = n
Volume 1.2525068292043E+27
Surface area 5.6191530276006E+18
Circumference 4201558028.9825

Square

Length = n
Perimeter 2674794916
Area 447157990166215441
Diagonal 945682811.69345

Cube

Length = n
Surface area 2682947940997292646
Volume 2.9901397968634E+26
Space diagonal 1158220173.5847

Equilateral Triangle

Length = n
Perimeter 2006096187
Area 1.9362508949457E+17
Altitude 579110086.79237

Triangular Pyramid

Length = n
Surface area 1.9362508949457E+17
Volume 3.5239135450965E+25
Height 315227603.89782