639634239 (number)

639634239 is an odd 9-digits composite number following 639634238 and preceding 639634240. In scientific notation, it is written as 6.39634239 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 10 positive divisors. There are 426422772 positive integers (up to 639634239) that are relatively prime to 639634239.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million six hundred thirty-four thousand two hundred thirty-nine

Notation

Scientific notation 6.39634239 × 10^8
Engineering notation 6.39634239 × 10^6

Prime Factorization of 639634239

Prime Factorization 9 × 3 × 3 × 7896719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 213211413
Product of the distinct prime numbers

The prime factorization of 639634239 is 9 × 3 × 3 × 7896719. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 10, 50, 838, 3, 8035, 9120, 66307, 40716, 276320, 294197, 4662505, 8493684, 11692679, 19045121, 184064082, 460935657, 8018826381, 6512485810

Basic calculations (n = 639634239)

Multiplication

n×y
n×2 1279268478
n×3 1918902717
n×4 2558536956
n×5 3198171195

Division

n÷y
n÷2 319817119.5
n÷3 213211413
n÷3 159908559.75
n÷5 127926847.8

Exponentiation

ny
n2 409131959701109121
n3 2.61694809694E+26
n4 1.6738896044887E+35
n5 1.0706771033371E+44

Nth Root

y√n
2√n 25290.991261712
3√n 861.60967635644
4√n 159.03141595833
5√n 57.701398685908

Divisors of 639634239

1, 3, 9, 27, 81, 7896719, 23690157, 71070471, 213211413, 639634239

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639634238
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639634239 can be divided by 10 positive divisors. The sum of these divisors (counting 639634239) is 1, the average is 0.1.

Base conversion 639634239

Base System Value
2 Binary 100110001000000000101100111111
3 Ternary 1122120120210020000
4 Quaternary 212020000230333
5 Quinary 2302221243424
6 Senary 143245325343
8 Octal 4610005477
10 Decimal 639634239
12 Duodecimal 15a266853
16 Hexadecimal 26200b3f
20 Vigesimal 9jhe5bj
36 Base36 aktkxr

Cryptographic Hash Functions

md5 6f3019beff29a183e94ead6ed9ecc53a
sha1 e2186dbaaf09004da41191c4b51f59b93d367507
sha256 8d2598bad50df4095d81f5e740bfd5dca07e08663204e742c5a3804d3774fc1d
sha512 b574705892c3e04efc50ac77c246ab8d5abe94cf75f61678f643978fe0577107e126b081b4006dd94dcc522bd97870a7a308f431241629517c52b960f52c9539
ripemd-160 afc708ce8c2c973cab49446a3f74b4984d187225

639634239 as geometric shapes

Circle

Radius = n
Diameter 1279268478
Circumference 4018940452.4538
Area 1.2853259589458E+18

Sphere

Radius = n
Volume 1.0961846554897E+27
Surface area 5.1413038357832E+18
Circumference 4018940452.4538

Square

Length = n
Perimeter 2558536956
Area 409131959701109121
Diagonal 904579415.75199

Cube

Length = n
Surface area 2454791758206654726
Volume 2.61694809694E+26
Space diagonal 1107879000.2087

Equilateral Triangle

Length = n
Perimeter 1918902717
Area 1.7715933530064E+17
Altitude 553939500.10433

Triangular Pyramid

Length = n
Surface area 1.7715933530064E+17
Volume 3.0841029089325E+25
Height 301526471.91733