668857688 (number)

668857688 is an even 9-digits composite number following 668857687 and preceding 668857689. In scientific notation, it is written as 6.68857688 × 10^8. The sum of its digits is 62. It has a total of 5 prime factors and 16 positive divisors. There are 334243168 positive integers (up to 668857688) that are relatively prime to 668857688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.68857688 × 10^8
Engineering notation 6.68857688 × 10^6

Prime Factorization of 668857688

Prime Factorization 2 × 2 × 2 × 1877 × 44543

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 167214422
Product of the distinct prime numbers

The prime factorization of 668857688 is 2 × 2 × 2 × 1877 × 44543. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668857688)

Multiplication

n×y
n×2 1337715376
n×3 2006573064
n×4 2675430752
n×5 3344288440

Division

n÷y
n÷2 334428844
n÷3 222952562.66667
n÷3 167214422
n÷5 133771537.6

Exponentiation

ny
n2 447370606796705344
n3 2.992272697412E+26
n4 2.0014045982565E+35
n5 1.3386548523424E+44

Nth Root

y√n
2√n 25862.283116539
3√n 874.53643494167
4√n 160.81754604687
5√n 58.219268533271

Divisors of 668857688

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 -668857687
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 668857688 can be divided by 16 positive divisors. The sum of these divisors (counting 668857688) is 1, the average is 0.0625.

Base conversion 668857688

Base System Value
2 Binary 100111110111011111010101011000
3 Ternary 1201121120111020222
4 Quaternary 213313133111120
5 Quinary 2332211421223
6 Senary 150211535212
8 Octal 4767372530
10 Decimal 668857688
12 Duodecimal 167bba508
16 Hexadecimal 27ddf558
20 Vigesimal a907448
36 Base36 b27xw8

Cryptographic Hash Functions

md5 ace0e70e855a35cd62d224c8eaf4df92
sha1 c11cc7ecf9ac8826e2699c15e7fcf576782607bc
sha256 8a9a59eeb70a45ae9f206750d5555b5003ccae152f4f9d53eaf29f1583a4c98a
sha512 bb8d7a96d867964fd1708aabb24b75ceb5b24ca1ee4974f247080bce51afd6bc4f3ba84fd07ec02eb5d20f16b47bbcbb68b04d93d2b8eb6a1f2cff674000901e
ripemd-160 1b8894ddc7e48a1ce1d0ddd3243426ced4dd5388

668857688 as geometric shapes

Circle

Radius = n
Diameter 1337715376
Circumference 4202556797.8357
Area 1.4054562117445E+18

Sphere

Radius = n
Volume 1.2534002564969E+27
Surface area 5.6218248469782E+18
Circumference 4202556797.8357

Square

Length = n
Perimeter 2675430752
Area 447370606796705344
Diagonal 945907613.66711

Cube

Length = n
Surface area 2684223640780232064
Volume 2.992272697412E+26
Space diagonal 1158495498.6491

Equilateral Triangle

Length = n
Perimeter 2006573064
Area 1.937171551962E+17
Altitude 579247749.32453

Triangular Pyramid

Length = n
Surface area 1.937171551962E+17
Volume 3.526427192499E+25
Height 315302537.88904