668889788 (number)

668889788 is an even 9-digits composite number following 668889787 and preceding 668889789. In scientific notation, it is written as 6.68889788 × 10^8. The sum of its digits is 68. It has a total of 6 prime factors and 48 positive divisors. There are 284497920 positive integers (up to 668889788) that are relatively prime to 668889788.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68889788 × 10^8
Engineering notation 6.68889788 × 10^6

Prime Factorization of 668889788

Prime Factorization 2 × 2 × 7 × 343 × 271 × 257

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 334444894
Product of the distinct prime numbers

The prime factorization of 668889788 is 2 × 2 × 7 × 343 × 271 × 257. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668889788)

Multiplication

n×y
n×2 1337779576
n×3 2006669364
n×4 2675559152
n×5 3344448940

Division

n÷y
n÷2 334444894
n÷3 222963262.66667
n÷3 167222447
n÷5 133777957.6

Exponentiation

ny
n2 447413548490684944
n3 2.9927035359826E+26
n4 2.0017888337303E+35
n5 1.3389761086146E+44

Nth Root

y√n
2√n 25862.903703954
3√n 874.55042504798
4√n 160.819475512
5√n 58.219827337536

Divisors of 668889788

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668889787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668889788 can be divided by 48 positive divisors. The sum of these divisors (counting 668889788) is 1, the average is 0.020833333333333.

Base conversion 668889788

Base System Value
2 Binary 100111110111100111001010111100
3 Ternary 1201121122010021212
4 Quaternary 213313213022330
5 Quinary 2332213433123
6 Senary 150212343552
8 Octal 4767471274
10 Decimal 668889788
12 Duodecimal 168014bb8
16 Hexadecimal 27de72bc
20 Vigesimal a90b498
36 Base36 b28mnw

Cryptographic Hash Functions

md5 cba461773d543bd948a0567f828b1302
sha1 4711fa5f53e84d0b85e055938abba356a2afe7e2
sha256 bbf562223f5e10a29dea3d4e945a5517a82f05497562c0e9c95784b9b77b2aed
sha512 0f1265148d5a36b4cf22ba5172692e9dedf49785a611a869741f54920c0d935b4b5182e6be03b9f8a3b6a9ddcc020d79c266da761ad8ca6ddd3e98341104d5eb
ripemd-160 e54bfff937130d5961fa97640e65bebe288569e3

668889788 as geometric shapes

Circle

Radius = n
Diameter 1337779576
Circumference 4202758488.0841
Area 1.4055911170549E+18

Sphere

Radius = n
Volume 1.2535807257354E+27
Surface area 5.6223644682195E+18
Circumference 4202758488.0841

Square

Length = n
Perimeter 2675559152
Area 447413548490684944
Diagonal 945953009.92246

Cube

Length = n
Surface area 2684481290944109664
Volume 2.9927035359826E+26
Space diagonal 1158551097.48

Equilateral Triangle

Length = n
Perimeter 2006669364
Area 1.9373574949514E+17
Altitude 579275548.73999

Triangular Pyramid

Length = n
Surface area 1.9373574949514E+17
Volume 3.5269349406238E+25
Height 315317669.97415