639702918 (number)

639702918 is an even 9-digits composite number following 639702917 and preceding 639702919. In scientific notation, it is written as 6.39702918 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 206355600 positive integers (up to 639702918) that are relatively prime to 639702918.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million seven hundred two thousand nine hundred eighteen

Notation

Scientific notation 6.39702918 × 10^8
Engineering notation 6.39702918 × 10^6

Prime Factorization of 639702918

Prime Factorization 2 × 3 × 3 × 31 × 1146421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 213234306
Product of the distinct prime numbers

The prime factorization of 639702918 is 2 × 3 × 3 × 31 × 1146421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 639702918)

Multiplication

n×y
n×2 1279405836
n×3 1919108754
n×4 2558811672
n×5 3198514590

Division

n÷y
n÷2 319851459
n÷3 213234306
n÷3 159925729.5
n÷5 127940583.6

Exponentiation

ny
n2 409219823297714724
n3 2.6177911506699E+26
n4 1.6746086377981E+35
n5 1.0712520321075E+44

Nth Root

y√n
2√n 25292.34900123
3√n 861.64051292395
4√n 159.03568467872
5√n 57.702637739082

Divisors of 639702918

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 -639702917
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 639702918 can be divided by 24 positive divisors. The sum of these divisors (counting 639702918) is 1, the average is 0.041666666666667.

Base conversion 639702918

Base System Value
2 Binary 100110001000010001011110000110
3 Ternary 1122120201021102200
4 Quaternary 212020101132012
5 Quinary 2302230443133
6 Senary 143251015330
8 Octal 4610213606
10 Decimal 639702918
12 Duodecimal 15a29a546
16 Hexadecimal 26211786
20 Vigesimal 9ji2h5i
36 Base36 akv1xi

Cryptographic Hash Functions

md5 e9707438e84e88619d4946af854be294
sha1 9877cc68d22acb1b55dad3359e79b4be2025fd46
sha256 0f79a6dba0fdfdcbcdda792ee2f70ebcd7e28f88de710a86408f9666bb166189
sha512 3f10a740187b4fa8de0882070f83d13078db24972662b290c55e02c2325c500cc3a045546eecdf4b74e5986cd1f2831342a2b56e8a0edcf0858f3460e1404ac3
ripemd-160 18a3fdf49026365cad0254f7244291d71bd441de

639702918 as geometric shapes

Circle

Radius = n
Diameter 1279405836
Circumference 4019371975.3375
Area 1.2856019905754E+18

Sphere

Radius = n
Volume 1.0965377930103E+27
Surface area 5.1424079623017E+18
Circumference 4019371975.3375

Square

Length = n
Perimeter 2558811672
Area 409219823297714724
Diagonal 904676542.52524

Cube

Length = n
Surface area 2455318939786288344
Volume 2.6177911506699E+26
Space diagonal 1107997955.7261

Equilateral Triangle

Length = n
Perimeter 1919108754
Area 1.77197381354E+17
Altitude 553998977.86303

Triangular Pyramid

Length = n
Surface area 1.77197381354E+17
Volume 3.0850964572814E+25
Height 301558847.50841