642750668 (number)

642750668 is an even 9-digits composite number following 642750667 and preceding 642750669. In scientific notation, it is written as 6.42750668 × 10^8. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 272736000 positive integers (up to 642750668) that are relatively prime to 642750668.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred fifty thousand six hundred sixty-eight

Notation

Scientific notation 6.42750668 × 10^8
Engineering notation 6.42750668 × 10^6

Prime Factorization of 642750668

Prime Factorization 2 × 2 × 7 × 101 × 227281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 321375334
Product of the distinct prime numbers

The prime factorization of 642750668 is 2 × 2 × 7 × 101 × 227281. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642750668)

Multiplication

n×y
n×2 1285501336
n×3 1928252004
n×4 2571002672
n×5 3213753340

Division

n÷y
n÷2 321375334
n÷3 214250222.66667
n÷3 160687667
n÷5 128550133.6

Exponentiation

ny
n2 413128421214446224
n3 2.6553856870537E+26
n4 1.7067509241514E+35
n5 1.0970152966079E+44

Nth Root

y√n
2√n 25352.527842407
3√n 863.00672283754
4√n 159.22477144718
5√n 57.757516032296

Divisors of 642750668

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642750667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642750668 can be divided by 24 positive divisors. The sum of these divisors (counting 642750668) is 1, the average is 0.041666666666667.

Base conversion 642750668

Base System Value
2 Binary 100110010011111001100011001100
3 Ternary 1122210110010011022
4 Quaternary 212103321203030
5 Quinary 2304021010133
6 Senary 143440213312
8 Octal 4623714314
10 Decimal 642750668
12 Duodecimal 15b30a238
16 Hexadecimal 264f98cc
20 Vigesimal a0h3gd8
36 Base36 amodl8

Cryptographic Hash Functions

md5 bdfd0f38c97f28610082c1721a424ba9
sha1 6d77eebd17fe1562afaeb1b42039fda1a6e932d6
sha256 fd4b283de1398d0a4c7074e5ac64dc05973beefffb4ecfa3887a581c9c4baef0
sha512 071333b4c6f12576dc5839b42e4a6950b504b2bd1b22322b1a21fbea7a8ce72de473f30341d95797aff6a544e5eb1880cbd8e10d3a92f20d18bf461c83780f2b
ripemd-160 b262d403528c92f9c8b32da52a8aec48b163282b

642750668 as geometric shapes

Circle

Radius = n
Diameter 1285501336
Circumference 4038521553.3575
Area 1.2978812130765E+18

Sphere

Radius = n
Volume 1.1122853555861E+27
Surface area 5.1915248523058E+18
Circumference 4038521553.3575

Square

Length = n
Perimeter 2571002672
Area 413128421214446224
Diagonal 908986711.90997

Cube

Length = n
Surface area 2478770527286677344
Volume 2.6553856870537E+26
Space diagonal 1113276813.5748

Equilateral Triangle

Length = n
Perimeter 1928252004
Area 1.7888985389853E+17
Altitude 556638406.78742

Triangular Pyramid

Length = n
Surface area 1.7888985389853E+17
Volume 3.1294020433023E+25
Height 302995570.63666