639859904 (number)

639859904 is an even 9-digits composite number following 639859903 and preceding 639859905. In scientific notation, it is written as 6.39859904 × 10^8. The sum of its digits is 53. It has a total of 8 prime factors and 28 positive divisors. There are 319697664 positive integers (up to 639859904) that are relatively prime to 639859904.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million eight hundred fifty-nine thousand nine hundred four

Notation

Scientific notation 6.39859904 × 10^8
Engineering notation 6.39859904 × 10^6

Prime Factorization of 639859904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 1847 × 5413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 19995622
Product of the distinct prime numbers

The prime factorization of 639859904 is 2 × 2 × 2 × 2 × 2 × 2 × 1847 × 5413. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 639859904)

Multiplication

n×y
n×2 1279719808
n×3 1919579712
n×4 2559439616
n×5 3199299520

Division

n÷y
n÷2 319929952
n÷3 213286634.66667
n÷3 159964976
n÷5 127971980.8

Exponentiation

ny
n2 409420696746889216
n3 2.6197188771608E+26
n4 1.6762530692471E+35
n5 1.0725671279681E+44

Nth Root

y√n
2√n 25295.452239484
3√n 861.71099065684
4√n 159.04544080068
5√n 57.705469558968

Divisors of 639859904

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 -639859903
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 639859904 can be divided by 28 positive divisors. The sum of these divisors (counting 639859904) is 1, the average is 0.035714285714286.

Base conversion 639859904

Base System Value
2 Binary 100110001000110111110011000000
3 Ternary 1122121000020202222
4 Quaternary 212020313303000
5 Quinary 2302301004104
6 Senary 143254230212
8 Octal 4610676300
10 Decimal 639859904
12 Duodecimal 15a355368
16 Hexadecimal 26237cc0
20 Vigesimal 9jj29f4
36 Base36 akyf28

Cryptographic Hash Functions

md5 8c07babd17fa9e612a0eee66841a50d6
sha1 6befdf25c15bbaa94f9811d8554c9bcad8a5c701
sha256 febc35112ce99eed64464765209aaa28b8ef10fc0ad3cda4fd5af90d8ced194c
sha512 211f2b8c4c31f0b498eaca229cfb70b80fe604c876e4fb9967114ee9689c5e3a1610ca4a6174d3dbcb0f5d478afcf3809ad5af404df12dd903f24509da3b722d
ripemd-160 896a32e20594d2f5b54d2156f40cab2ae040b0cb

639859904 as geometric shapes

Circle

Radius = n
Diameter 1279719808
Circumference 4020358347.4661
Area 1.2862330531276E+18

Sphere

Radius = n
Volume 1.0973452771945E+27
Surface area 5.1449322125106E+18
Circumference 4020358347.4661

Square

Length = n
Perimeter 2559439616
Area 409420696746889216
Diagonal 904898554.25555

Cube

Length = n
Surface area 2456524180481335296
Volume 2.6197188771608E+26
Space diagonal 1108269863.4541

Equilateral Triangle

Length = n
Perimeter 1919579712
Area 1.7728436210897E+17
Altitude 554134931.72707

Triangular Pyramid

Length = n
Surface area 1.7728436210897E+17
Volume 3.087368304738E+25
Height 301632851.41852