639904 (number)

639904 is an even 6-digits composite number following 639903 and preceding 639905. In scientific notation, it is written as 6.39904 × 10^5. The sum of its digits is 31. It has a total of 6 prime factors and 12 positive divisors. There are 319936 positive integers (up to 639904) that are relatively prime to 639904.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine thousand nine hundred four

Notation

Scientific notation 6.39904 × 10^5
Engineering notation 6.39904 × 10^3

Prime Factorization of 639904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 19997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 39994
Product of the distinct prime numbers

The prime factorization of 639904 is 2 × 2 × 2 × 2 × 2 × 19997. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 1, 11, 14, 320, 359, 3697, 981, 57423, 25217, 9190, 442920, 6010004, 5215051, 26902560, 44840932, 151428558, 50381076, 3357649320, 902009763

Basic calculations (n = 639904)

Multiplication

n×y
n×2 1279808
n×3 1919712
n×4 2559616
n×5 3199520

Division

n÷y
n÷2 319952
n÷3 213301.33333333
n÷3 159976
n÷5 127980.8

Exponentiation

ny
n2 409477129216
n3 262026052893835264
n4 1.6767151935098E+23
n5 1.0729367591877E+29

Nth Root

y√n
2√n 799.93999774983
3√n 86.173078516434
4√n 28.283210527623
5√n 14.495158379661

Divisors of 639904

1, 2, 4, 8, 16, 32, 19997, 39994, 79988, 159976, 319952, 639904

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639904 can be divided by 12 positive divisors. The sum of these divisors (counting 639904) is 1, the average is 0.083333333333333.

Base conversion 639904

Base System Value
2 Binary 10011100001110100000
3 Ternary 1012111210011
4 Quaternary 2130032200
5 Quinary 130434104
6 Senary 21414304
8 Octal 2341640
10 Decimal 639904
12 Duodecimal 26a394
16 Hexadecimal 9c3a0
20 Vigesimal 3jjf4
36 Base36 dpr4

Cryptographic Hash Functions

md5 bfdfdefc205398e8ccfc44241b7d575d
sha1 7f59d779f0555002864ec1ebd8045ed16b96521f
sha256 fc06fd8e2e9b168e7be013a4925c2d53036c8af914feccd2f0fb722706228648
sha512 d9fc0f67941d8986cc2d87c81cd44e48f067dd32f902e0bbcbb3614c756e545dad695b36e178f9aa691949348adceca4bc31864999994e9a13cc6794fd862ee2
ripemd-160 c722b3e54d822c7c03fb4a871626726334423d13

639904 as geometric shapes

Circle

Radius = n
Diameter 1279808
Circumference 4020635.4108054
Area 1286410340958

Sphere

Radius = n
Volume 1.0975721637605E+18
Surface area 5145641363832.1
Circumference 4020635.4108054

Square

Length = n
Perimeter 2559616
Area 409477129216
Diagonal 904960.91541679

Cube

Length = n
Surface area 2456862775296
Volume 262026052893835264
Space diagonal 1108346.2399666

Equilateral Triangle

Length = n
Perimeter 1919712
Area 177308798084.89
Altitude 554173.11998328

Triangular Pyramid

Length = n
Surface area 177308798084.89
Volume 3.0880066474796E+16
Height 301653.63847226