668889615 (number)

668889615 is an odd 9-digits composite number following 668889614 and preceding 668889616. In scientific notation, it is written as 6.68889615 × 10^8. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 355139616 positive integers (up to 668889615) that are relatively prime to 668889615.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68889615 × 10^8
Engineering notation 6.68889615 × 10^6

Prime Factorization of 668889615

Prime Factorization 5 × 223 × 3 × 199967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 668889615
Product of the distinct prime numbers

The prime factorization of 668889615 is 5 × 223 × 3 × 199967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668889615)

Multiplication

n×y
n×2 1337779230
n×3 2006668845
n×4 2675558460
n×5 3344448075

Division

n÷y
n÷2 334444807.5
n÷3 222963205
n÷3 167222403.75
n÷5 133777923

Exponentiation

ny
n2 447413317054848225
n3 2.9927012139069E+26
n4 2.0017867627802E+35
n5 1.3389743770682E+44

Nth Root

y√n
2√n 25862.900359395
3√n 874.55034965078
4√n 160.81946511351
5√n 58.219824325969

Divisors of 668889615

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 -668889614
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 668889615 can be divided by 16 positive divisors. The sum of these divisors (counting 668889615) is 1, the average is 0.0625.

Base conversion 668889615

Base System Value
2 Binary 100111110111100111001000001111
3 Ternary 1201121122010001110
4 Quaternary 213313213020033
5 Quinary 2332213431430
6 Senary 150212343103
8 Octal 4767471017
10 Decimal 668889615
12 Duodecimal 168014a93
16 Hexadecimal 27de720f
20 Vigesimal a90b40f
36 Base36 b28mj3

Cryptographic Hash Functions

md5 d65a15c3454769d6f4e12e550493fd6f
sha1 9a5fa7c1e7eec64859fd891426d6e6460deff44c
sha256 889acef6477da82a317557d3419bce3fa5642de0093b71f8f85160b8ac3f5b7e
sha512 10b1ad678c85295e9eaf9560642781363b8d98e924ba832d69720ddf5f2a60a5755cce6593b42840cd446fad90f0eac3987c483440399c20a6abcd764c511c3e
ripemd-160 bcd761f76d3d064aa88ed8d5204fb6a19a536ce2

668889615 as geometric shapes

Circle

Radius = n
Diameter 1337779230
Circumference 4202757401.093
Area 1.4055903899778E+18

Sphere

Radius = n
Volume 1.2535797530666E+27
Surface area 5.622361559911E+18
Circumference 4202757401.093

Square

Length = n
Perimeter 2675558460
Area 447413317054848225
Diagonal 945952765.26352

Cube

Length = n
Surface area 2684479902329089350
Volume 2.9927012139069E+26
Space diagonal 1158550797.8352

Equilateral Triangle

Length = n
Perimeter 2006668845
Area 1.9373564928048E+17
Altitude 579275398.91759

Triangular Pyramid

Length = n
Surface area 1.9373564928048E+17
Volume 3.5269322040313E+25
Height 315317588.42117