668840 (number)

668840 is an even 6-digits composite number following 668839 and preceding 668841. In scientific notation, it is written as 6.68840 × 10^5. The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors. There are 255552 positive integers (up to 668840) that are relatively prime to 668840.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight thousand eight hundred forty

Notation

Scientific notation 6.68840 × 10^5
Engineering notation 6.68840 × 10^3

Prime Factorization of 668840

Prime Factorization 2 × 2 × 2 × 23 × 5 × 727

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 167210
Product of the distinct prime numbers

The prime factorization of 668840 is 2 × 2 × 2 × 23 × 5 × 727. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668840)

Multiplication

n×y
n×2 1337680
n×3 2006520
n×4 2675360
n×5 3344200

Division

n÷y
n÷2 334420
n÷3 222946.66666667
n÷3 167210
n÷5 133768

Exponentiation

ny
n2 447346945600
n3 299203531095104000
n4 2.0011928973765E+23
n5 1.3384778574813E+29

Nth Root

y√n
2√n 817.82638744418
3√n 87.452872580956
4√n 28.597664020758
5√n 14.623941720603

Divisors of 668840

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668840 can be divided by 32 positive divisors. The sum of these divisors (counting 668840) is 1, the average is 0.03125.

Base conversion 668840

Base System Value
2 Binary 10100011010010101000
3 Ternary 1020222110212
4 Quaternary 2203102220
5 Quinary 132400330
6 Senary 22200252
8 Octal 2432250
10 Decimal 668840
12 Duodecimal 283088
16 Hexadecimal a34a8
20 Vigesimal 43c20
36 Base36 ec2w

Cryptographic Hash Functions

md5 b7c747004e71899a7506f75d0ae709ed
sha1 a6a03d89f9c8de760f7b336c2dd35d6b5df877c4
sha256 725ce77bfbab7ad8b09d2acb8eb386ae96734fcfbd0496408428d74851338a23
sha512 5cace677c4a73831483410e8d0511eabe7d86ccd8f2ebee1e4d9b090ee8a18cb84ea698260c439b1d6990b5d27893f89ae66c908e7a8d37bb099610171d209a6
ripemd-160 3a5a761fa159969e865a64183f00114003c72c5f

668840 as geometric shapes

Circle

Radius = n
Diameter 1337680
Circumference 4202445.660854
Area 1405381877902.8

Sphere

Radius = n
Volume 1.2533008202887E+18
Surface area 5621527511611.2
Circumference 4202445.660854

Square

Length = n
Perimeter 2675360
Area 447346945600
Diagonal 945882.59905762

Cube

Length = n
Surface area 2684081673600
Volume 299203531095104000
Space diagonal 1158464.8621344

Equilateral Triangle

Length = n
Perimeter 2006520
Area 193706909597.49
Altitude 579232.43106718

Triangular Pyramid

Length = n
Surface area 193706909597.49
Volume 3.5261474298718E+16
Height 315294.19968587