639420939 (number)

639420939 is an odd 9-digits composite number following 639420938 and preceding 639420940. In scientific notation, it is written as 6.39420939 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 414758880 positive integers (up to 639420939) that are relatively prime to 639420939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.39420939 × 10^8
Engineering notation 6.39420939 × 10^6

Prime Factorization of 639420939

Prime Factorization 9 × 3 × 37 × 640061

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 639420939
Product of the distinct prime numbers

The prime factorization of 639420939 is 9 × 3 × 37 × 640061. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 23, 48, 767, 544, 2747, 7963, 62110, 44024, 100565, 838087, 6202453, 2274087, 73053763, 85919422, 486042860, 503499935, 3610217428, 90320766

Basic calculations (n = 639420939)

Multiplication

n×y
n×2 1278841878
n×3 1918262817
n×4 2557683756
n×5 3197104695

Division

n÷y
n÷2 319710469.5
n÷3 213140313
n÷3 159855234.75
n÷5 127884187.8

Exponentiation

ny
n2 408859137231641721
n3 2.6143309344739E+26
n4 1.671657940978E+35
n5 1.068893090307E+44

Nth Root

y√n
2√n 25286.773993533
3√n 861.51389152339
4√n 159.01815617574
5√n 57.697549814279

Divisors of 639420939

1, 3, 9, 27, 37, 111, 333, 999, 640061, 1920183, 5760549, 17281647, 23682257, 71046771, 213140313, 639420939

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639420938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639420939 can be divided by 16 positive divisors. The sum of these divisors (counting 639420939) is 1, the average is 0.0625.

Base conversion 639420939

Base System Value
2 Binary 100110000111001100101000001011
3 Ternary 1122120011221122000
4 Quaternary 212013030220023
5 Quinary 2302142432224
6 Senary 143241002043
8 Octal 4607145013
10 Decimal 639420939
12 Duodecimal 15a183323
16 Hexadecimal 261cca0b
20 Vigesimal 9jg7c6j
36 Base36 akp0cr

Cryptographic Hash Functions

md5 bdd37c7fb2c8c60dc4d64c96df8cf1d6
sha1 e9c97874d1f0873c2aaee25b833e1ff4fb4f142e
sha256 f49fa88b858f6a6f6af403f2477f7fc1b91a5f1deb163c6c982f08fffb90e2fb
sha512 21358b3b5129d13ec7211a737d835c7580aa03f3956b7c0e99b0902e6d0c5008d2317845730b3f86951bce2a9e5b2b9613c46fdb82fe1cafdaa88a71b6c59202
ripemd-160 9135e845082f511a8a6bd1b5ac6d3897ba56827f

639420939 as geometric shapes

Circle

Radius = n
Diameter 1278841878
Circumference 4017600249.0278
Area 1.28446886188E+18

Sphere

Radius = n
Volume 1.0950883810394E+27
Surface area 5.1378754475199E+18
Circumference 4017600249.0278

Square

Length = n
Perimeter 2557683756
Area 408859137231641721
Diagonal 904277763.99914

Cube

Length = n
Surface area 2453154823389850326
Volume 2.6143309344739E+26
Space diagonal 1107509553.7714

Equilateral Triangle

Length = n
Perimeter 1918262817
Area 1.7704119970599E+17
Altitude 553754776.8857

Triangular Pyramid

Length = n
Surface area 1.7704119970599E+17
Volume 3.0810185533871E+25
Height 301425921.33305