668889731 (number)

668889731 is an odd 9-digits prime number following 668889730 and preceding 668889732. In scientific notation, it is written as 6.68889731 × 10^8. The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors. There are 668889730 positive integers (up to 668889731) that are relatively prime to 668889731.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred eighty-nine thousand seven hundred thirty-one

Notation

Scientific notation 6.68889731 × 10^8
Engineering notation 6.68889731 × 10^6

Prime Factorization of 668889731

Prime Factorization 668889731

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 668889731
Product of the distinct prime numbers

The prime factorization of 668889731 is 668889731. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668889731)

Multiplication

n×y
n×2 1337779462
n×3 2006669193
n×4 2675558924
n×5 3344448655

Division

n÷y
n÷2 334444865.5
n÷3 222963243.66667
n÷3 167222432.75
n÷5 133777946.2

Exponentiation

ny
n2 447413472237252361
n3 2.9927027709055E+26
n4 2.0017881513939E+35
n5 1.3389755381049E+44

Nth Root

y√n
2√n 25862.90260199
3√n 874.55040020613
4√n 160.81947208591
5√n 58.219826345286

Divisors of 668889731

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 668889732
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 334444866
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25862.902621322
Returns the nth root of the product of n divisors
H Harmonic Mean 1.99999999701
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668889731 can be divided by 2 positive divisors. The sum of these divisors (counting 668889731) is 668889732, the average is 334444866.

Base conversion 668889731

Base System Value
2 Binary 100111110111100111001010000011
3 Ternary 1201121122010012202
4 Quaternary 213313213022003
5 Quinary 2332213432411
6 Senary 150212343415
8 Octal 4767471203
10 Decimal 668889731
12 Duodecimal 168014b6b
16 Hexadecimal 27de7283
20 Vigesimal a90b46b
36 Base36 b28mmb

Cryptographic Hash Functions

md5 10e511ead0a9610f743291c859e42493
sha1 fd05fd7779c1d9e5ae7ba74e5d27f1bc04d33d29
sha256 980b6145ed59f2f3908c56aa0e2ebc009ab5da7f6a9f895cc2e5bb1ee6360d31
sha512 523dc30c2bd68891a75e682f7fe968993e853a71bfcc584e154f145a8e19d0307bfa9d35ca9d3fce7955d6454cafbe74a4575eee150be20f53745b526228faef
ripemd-160 d4ca425845973e063e327c9ac975c82ab42bb727

668889731 as geometric shapes

Circle

Radius = n
Diameter 1337779462
Circumference 4202758129.9425
Area 1.4055908774977E+18

Sphere

Radius = n
Volume 1.2535804052606E+27
Surface area 5.6223635099906E+18
Circumference 4202758129.9425

Square

Length = n
Perimeter 2675558924
Area 447413472237252361
Diagonal 945952929.31229

Cube

Length = n
Surface area 2684480833423514166
Volume 2.9927027709055E+26
Space diagonal 1158550998.7531

Equilateral Triangle

Length = n
Perimeter 2006669193
Area 1.9373571647643E+17
Altitude 579275499.37654

Triangular Pyramid

Length = n
Surface area 1.9373571647643E+17
Volume 3.5269340389718E+25
Height 315317643.1041