642000655 (number)

642000655 is an odd 9-digits composite number following 642000654 and preceding 642000656. In scientific notation, it is written as 6.42000655 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 513600520 positive integers (up to 642000655) that are relatively prime to 642000655.

Interesting facts

Basic properties

Name

Name six hundred forty-two million six hundred fifty-five

Notation

Scientific notation 6.42000655 × 10^8
Engineering notation 6.42000655 × 10^6

Prime Factorization of 642000655

Prime Factorization 5 × 128400131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 642000655
Product of the distinct prime numbers

The prime factorization of 642000655 is 5 × 128400131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 83, 81, 326, 112, 466, 8013, 13284, 94330, 140899, 468812, 9512458, 1962036, 32148470, 46365697, 916127511, 898454961, 8413368398, 5330926209

Basic calculations (n = 642000655)

Multiplication

n×y
n×2 1284001310
n×3 1926001965
n×4 2568002620
n×5 3210003275

Division

n÷y
n÷2 321000327.5
n÷3 214000218.33333
n÷3 160500163.75
n÷5 128400131

Exponentiation

ny
n2 412164841020429025
n3 2.6461009790309E+26
n4 1.698798561734E+35
n5 1.0906297893463E+44

Nth Root

y√n
2√n 25337.731844031
3√n 862.67091704871
4√n 159.1783020516
5√n 57.744030516566

Divisors of 642000655

1, 5, 128400131, 642000655

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642000654
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642000655 can be divided by 4 positive divisors. The sum of these divisors (counting 642000655) is 1, the average is 0.25.

Base conversion 642000655

Base System Value
2 Binary 100110010001000010011100001111
3 Ternary 1122202001000100001
4 Quaternary 212101002130033
5 Quinary 2303323010110
6 Senary 143412145131
8 Octal 4621023417
10 Decimal 642000655
12 Duodecimal 15b0081a7
16 Hexadecimal 2644270f
20 Vigesimal a0ca1cf
36 Base36 am8avj

Cryptographic Hash Functions

md5 f6e8831d36495392c76398f77c1716c0
sha1 b84e41b0ee87869919b0a5ff3816a6f8651fcce3
sha256 0753ec7a1e49a4440179bb488532609bc3bfd2a5706bed1f3be0ad542696ef5b
sha512 d014a3ffcce414d3e733a201e4f9a431f6b52f155e3fee6d7dbc1b4575ed3db4b8eac9367e04076dc0bdef87e15d11eebb1f21548def5a36272c52feb0324696
ripemd-160 4934c59f77ac436304dce6a04d383072b0ed0e55

642000655 as geometric shapes

Circle

Radius = n
Diameter 1284001310
Circumference 4033809082.6957
Area 1.2948540366178E+18

Sphere

Radius = n
Volume 1.108396186184E+27
Surface area 5.1794161464711E+18
Circumference 4033809082.6957

Square

Length = n
Perimeter 2568002620
Area 412164841020429025
Diagonal 907926033.35341

Cube

Length = n
Surface area 2472989046122574150
Volume 2.6461009790309E+26
Space diagonal 1111977752.9525

Equilateral Triangle

Length = n
Perimeter 1926001965
Area 1.7847261143523E+17
Altitude 555988876.47625

Triangular Pyramid

Length = n
Surface area 1.7847261143523E+17
Volume 3.1184599099618E+25
Height 302642011.1178