668864 (number)

668864 is an even 6-digits composite number following 668863 and preceding 668865. In scientific notation, it is written as 6.68864 × 10^5. The sum of its digits is 38. It has a total of 8 prime factors and 28 positive divisors. There are 286464 positive integers (up to 668864) that are relatively prime to 668864.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight thousand eight hundred sixty-four

Notation

Scientific notation 6.68864 × 10^5
Engineering notation 6.68864 × 10^3

Prime Factorization of 668864

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 1493

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 20902
Product of the distinct prime numbers

The prime factorization of 668864 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 1493. Since it has a total of 8 prime factors.

Most popular turbo-numbers

1, 6, 57, 77, 940, 774, 3061, 2672, 37982, 2909, 247015, 768168, 3174245, 7841269, 98988242, 39063568, 373395908, 457916471, 3152107984, 1655515222

Basic calculations (n = 668864)

Multiplication

n×y
n×2 1337728
n×3 2006592
n×4 2675456
n×5 3344320

Division

n÷y
n÷2 334432
n÷3 222954.66666667
n÷3 167216
n÷5 133772.8

Exponentiation

ny
n2 447379050496
n3 299235741230956544
n4 2.001480148227E+23
n5 1.3387180178637E+29

Nth Root

y√n
2√n 817.84106035342
3√n 87.453918592876
4√n 28.597920559954
5√n 14.624046669339

Divisors of 668864

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 1493, 2986, 5972, 10451, 11944, 20902, 23888, 41804, 47776, 83608, 95552, 167216, 334432, 668864

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668864 can be divided by 28 positive divisors. The sum of these divisors (counting 668864) is 1, the average is 0.035714285714286.

Base conversion 668864

Base System Value
2 Binary 10100011010011000000
3 Ternary 1020222111202
4 Quaternary 2203103000
5 Quinary 132400424
6 Senary 22200332
8 Octal 2432300
10 Decimal 668864
12 Duodecimal 2830a8
16 Hexadecimal a34c0
20 Vigesimal 43c34
36 Base36 ec3k

Cryptographic Hash Functions

md5 e0fba04fbd0ac90622d4e0ba3ec46a5a
sha1 9bcd7272f3e79445533f165652e3748dd014a21a
sha256 8a3160d911f519c019fff8659d5f7321247f217fb69fbcff33ad35a19a035124
sha512 45c20c595f3bcabd9f52176eb0556727032ee87463f7ed036f394b921cdeefc6b0ce07db463c3383b626d1142b3c71b2d62e36af4d8c9d8a04ce558deb15cd7a
ripemd-160 3a94202982f596e63603ae187fdfc2e33a614d52

668864 as geometric shapes

Circle

Radius = n
Diameter 1337728
Circumference 4202596.4573014
Area 1405482738408.2

Sphere

Radius = n
Volume 1.2534357417902E+18
Surface area 5621930953632.8
Circumference 4202596.4573014

Square

Length = n
Perimeter 2675456
Area 447379050496
Diagonal 945916.54018312

Cube

Length = n
Surface area 2684274302976
Volume 299235741230956544
Space diagonal 1158506.4313537

Equilateral Triangle

Length = n
Perimeter 2006592
Area 193720811425.25
Altitude 579253.21567687

Triangular Pyramid

Length = n
Surface area 193720811425.25
Volume 3.5265270299632E+16
Height 315305.51339437