668727985 (number)

668727985 is an odd 9-digits composite number following 668727984 and preceding 668727986. In scientific notation, it is written as 6.68727985 × 10^8. The sum of its digits is 58. It has a total of 4 prime factors and 16 positive divisors. There are 522911808 positive integers (up to 668727985) that are relatively prime to 668727985.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million seven hundred twenty-seven thousand nine hundred eighty-five

Notation

Scientific notation 6.68727985 × 10^8
Engineering notation 6.68727985 × 10^6

Prime Factorization of 668727985

Prime Factorization 5 × 47 × 1063 × 2677

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 668727985
Product of the distinct prime numbers

The prime factorization of 668727985 is 5 × 47 × 1063 × 2677. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668727985)

Multiplication

n×y
n×2 1337455970
n×3 2006183955
n×4 2674911940
n×5 3343639925

Division

n÷y
n÷2 334363992.5
n÷3 222909328.33333
n÷3 167181996.25
n÷5 133745597

Exponentiation

ny
n2 447197117922160225
n3 2.9905322756589E+26
n4 1.9998526227789E+35
n5 1.3373574147279E+44

Nth Root

y√n
2√n 25859.775424392
3√n 874.47990207274
4√n 160.80974915841
5√n 58.217010414776

Divisors of 668727985

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 -668727984
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 668727985 can be divided by 16 positive divisors. The sum of these divisors (counting 668727985) is 1, the average is 0.0625.

Base conversion 668727985

Base System Value
2 Binary 100111110110111111101010110001
3 Ternary 1201121022220100011
4 Quaternary 213312333222301
5 Quinary 2332143243420
6 Senary 150205054521
8 Octal 4766775261
10 Decimal 668727985
12 Duodecimal 167b57441
16 Hexadecimal 27dbfab1
20 Vigesimal a8jajj5
36 Base36 b255td

Cryptographic Hash Functions

md5 30b4a91ac035b5d8f13852affbdb4f0f
sha1 f5d2a82b9513b9f5719a5610b2e523c13903967b
sha256 2ffcdc3563e9fb86798cb3375dd720aaf8ec9383c8b54d7ae2d5d00fe45cdb7e
sha512 c86ad77b4992e48cb7a58c4d80433b66e588991bf73da08084eca4260411a6093d4b826c304c84298a6c3a9d6fe2f805e10b5af960170e8b32872cd1823fc24a
ripemd-160 edcb58e0247a01fc4a286eff5fa9acc49c21b29b

668727985 as geometric shapes

Circle

Radius = n
Diameter 1337455970
Circumference 4201741849.8518
Area 1.4049111803708E+18

Sphere

Radius = n
Volume 1.2526712303378E+27
Surface area 5.6196447214831E+18
Circumference 4201741849.8518

Square

Length = n
Perimeter 2674911940
Area 447197117922160225
Diagonal 945724185.92543

Cube

Length = n
Surface area 2683182707532961350
Volume 2.9905322756589E+26
Space diagonal 1158270846.4632

Equilateral Triangle

Length = n
Perimeter 2006183955
Area 1.9364203230989E+17
Altitude 579135423.23158

Triangular Pyramid

Length = n
Surface area 1.9364203230989E+17
Volume 3.5243760857928E+25
Height 315241395.30848