639969 (number)

639969 is an odd 6-digits composite number following 639968 and preceding 639970. In scientific notation, it is written as 6.39969 × 10^5. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 369600 positive integers (up to 639969) that are relatively prime to 639969.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine thousand nine hundred sixty-nine

Notation

Scientific notation 6.39969 × 10^5
Engineering notation 6.39969 × 10^3

Prime Factorization of 639969

Prime Factorization 3 × 11 × 11 × 43 × 41

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 58179
Product of the distinct prime numbers

The prime factorization of 639969 is 3 × 11 × 11 × 43 × 41. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 639969)

Multiplication

n×y
n×2 1279938
n×3 1919907
n×4 2559876
n×5 3199845

Division

n÷y
n÷2 319984.5
n÷3 213323
n÷3 159992.25
n÷5 127993.8

Exponentiation

ny
n2 409560320961
n3 262105909045090209
n4 1.6773965650568E+23
n5 1.0734818023428E+29

Nth Root

y√n
2√n 799.98062476538
3√n 86.175996173072
4√n 28.283928736393
5√n 14.495452844773

Divisors of 639969

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 -639968
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 639969 can be divided by 24 positive divisors. The sum of these divisors (counting 639969) is 1, the average is 0.041666666666667.

Base conversion 639969

Base System Value
2 Binary 10011100001111100001
3 Ternary 1012111212120
4 Quaternary 2130033201
5 Quinary 130434334
6 Senary 21414453
8 Octal 2341741
10 Decimal 639969
12 Duodecimal 26a429
16 Hexadecimal 9c3e1
20 Vigesimal 3jji9
36 Base36 dpsx

Cryptographic Hash Functions

md5 1bb8eaf62a2846a36bccfdfdf5abb9b6
sha1 f32bb6fb1c0f410f392a80ea18ae4c1be9539fbd
sha256 105a9035c0c9306ef95f7e7f3b778e76ae7260695637330c6eb754768fb5c52f
sha512 b07c9fc6fc354372d49652a36e79e80834763836423d2b872d3427dca57fb0e7b73485417a0560a2cc56a752b154fb79f3d36d48bd76237caf74ec9b56a292d2
ripemd-160 d8cb222b88b78e266136119fe2bfbdc65b038d23

639969 as geometric shapes

Circle

Radius = n
Diameter 1279938
Circumference 4021043.8178504
Area 1286671695533

Sphere

Radius = n
Volume 1.0979066644247E+18
Surface area 5146686782131.8
Circumference 4021043.8178504

Square

Length = n
Perimeter 2559876
Area 409560320961
Diagonal 905052.83929835

Cube

Length = n
Surface area 2457361925766
Volume 262105909045090209
Space diagonal 1108458.823269

Equilateral Triangle

Length = n
Perimeter 1919907
Area 177344821167.17
Altitude 554229.41163452

Triangular Pyramid

Length = n
Surface area 177344821167.17
Volume 3.0889477612475E+16
Height 301684.27976612