668889390 (number)

668889390 is an even 9-digits composite number following 668889389 and preceding 668889391. In scientific notation, it is written as 6.68889390 × 10^8. The sum of its digits is 57. It has a total of 6 prime factors and 64 positive divisors. There are 164189184 positive integers (up to 668889390) that are relatively prime to 668889390.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred eighty-nine thousand three hundred ninety

Notation

Scientific notation 6.68889390 × 10^8
Engineering notation 6.68889390 × 10^6

Prime Factorization of 668889390

Prime Factorization 2 × 3 × 5 × 13 × 389 × 4409

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 668889390
Product of the distinct prime numbers

The prime factorization of 668889390 is 2 × 3 × 5 × 13 × 389 × 4409. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 8, 52, 40, 777, 260, 6575, 7852, 26828, 71561, 187964, 510655, 2608731, 2324243, 53465860, 59833260, 178436591, 6651084, 9580925593, 1501753459

Basic calculations (n = 668889390)

Multiplication

n×y
n×2 1337778780
n×3 2006668170
n×4 2675557560
n×5 3344446950

Division

n÷y
n÷2 334444695
n÷3 222963130
n÷3 167222347.5
n÷5 133777878

Exponentiation

ny
n2 447413016054572100
n3 2.992698193868E+26
n4 2.0017840693505E+35
n5 1.3389721250596E+44

Nth Root

y√n
2√n 25862.896009535
3√n 874.55025159083
4√n 160.81945158946
5√n 58.219820409191

Divisors of 668889390

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 389, 390, 778, 1167, 1945, 2334, 3890, 4409, 5057, 5835, 8818, 10114, 11670, 13227, 15171, 22045, 25285, 26454, 30342, 44090, 50570, 57317, 66135, 75855, 114634, 132270, 151710, 171951, 286585, 343902, 573170, 859755, 1715101, 1719510, 3430202, 5145303, 8575505, 10290606, 17151010, 22296313, 25726515, 44592626, 51453030, 66888939, 111481565, 133777878, 222963130, 334444695, 668889390

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668889389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668889390 can be divided by 64 positive divisors. The sum of these divisors (counting 668889390) is 1, the average is 0.015625.

Base conversion 668889390

Base System Value
2 Binary 100111110111100111000100101110
3 Ternary 1201121122002202010
4 Quaternary 213313213010232
5 Quinary 2332213430030
6 Senary 150212342050
8 Octal 4767470456
10 Decimal 668889390
12 Duodecimal 168014926
16 Hexadecimal 27de712e
20 Vigesimal a90b39a
36 Base36 b28mcu

Cryptographic Hash Functions

md5 9d3483da5fd7bff8b2706b6ae3c56589
sha1 c0d81d499cdcb2d41c3d61bec8eafe7db5106e59
sha256 b80c56f68c7eadbd28a73ba88cb34d29531c4f337ccb2bad60b54526c5969db9
sha512 a2814baaa446ac8b7069a7ec021fb3719f2218644c582a0c3f82109eb5009c5ffa471b472dd4a6f8f71d24d45b1f0651b000cb73898346d303ac57f834b6c0c7
ripemd-160 182efeb79a9a64cb4cd7c23b1cabec52bb073b2c

668889390 as geometric shapes

Circle

Radius = n
Diameter 1337778780
Circumference 4202755987.3763
Area 1.4055894443575E+18

Sphere

Radius = n
Volume 1.2535784880356E+27
Surface area 5.62235777743E+18
Circumference 4202755987.3763

Square

Length = n
Perimeter 2675557560
Area 447413016054572100
Diagonal 945952447.06547

Cube

Length = n
Surface area 2684478096327432600
Volume 2.992698193868E+26
Space diagonal 1158550408.1238

Equilateral Triangle

Length = n
Perimeter 2006668170
Area 1.9373551894354E+17
Altitude 579275204.06188

Triangular Pyramid

Length = n
Surface area 1.9373551894354E+17
Volume 3.5269286448814E+25
Height 315317482.35516