639804938 (number)

639804938 is an even 9-digits composite number following 639804937 and preceding 639804939. In scientific notation, it is written as 6.39804938 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 305993644 positive integers (up to 639804938) that are relatively prime to 639804938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.39804938 × 10^8
Engineering notation 6.39804938 × 10^6

Prime Factorization of 639804938

Prime Factorization 2 × 23 × 13908803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 639804938
Product of the distinct prime numbers

The prime factorization of 639804938 is 2 × 23 × 13908803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 90, 82, 653, 879, 409, 2397, 57239, 94034, 314371, 759667, 5332242, 2599466, 43932600, 59353363, 58137808, 717463927, 4899829589, 4729949998

Basic calculations (n = 639804938)

Multiplication

n×y
n×2 1279609876
n×3 1919414814
n×4 2559219752
n×5 3199024690

Division

n÷y
n÷2 319902469
n÷3 213268312.66667
n÷3 159951234.5
n÷5 127960987.6

Exponentiation

ny
n2 409350358689183844
n3 2.6190438086141E+26
n4 1.6756771615896E+35
n5 1.0721065224789E+44

Nth Root

y√n
2√n 25294.365736266
3√n 861.68631537905
4√n 159.0420250634
5√n 57.704478108241

Divisors of 639804938

1, 2, 23, 46, 13908803, 27817606, 319902469, 639804938

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639804937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639804938 can be divided by 8 positive divisors. The sum of these divisors (counting 639804938) is 1, the average is 0.125.

Base conversion 639804938

Base System Value
2 Binary 100110001000101010011000001010
3 Ternary 1122120220110101012
4 Quaternary 212020222120022
5 Quinary 2302242224223
6 Senary 143253123522
8 Octal 4610523012
10 Decimal 639804938
12 Duodecimal 15a3295a2
16 Hexadecimal 2622a60a
20 Vigesimal 9jifc6i
36 Base36 akx8ne

Cryptographic Hash Functions

md5 8e86b8e5c1ea7b7f90e6c48c49907340
sha1 233630135a6731b7f91a52e2c35d526c0f250b3e
sha256 c1cb76136f489ebd84336c1e0d70144d78a577401633527bdb14b17f86384291
sha512 413136a9af514d5a52b7be83c9f9e6b2f9a3a32b1194b49b1d581da12e7a7055d9a405d88e632f8510918d50dd4ff6e1027da02366e50a0c009e5f1c3fe75243
ripemd-160 22eb6e6bd8b6c3a9216bf2819db1143f126eef6b

639804938 as geometric shapes

Circle

Radius = n
Diameter 1279609876
Circumference 4020012985.9025
Area 1.2860120796023E+18

Sphere

Radius = n
Volume 1.0970625051429E+27
Surface area 5.1440483184091E+18
Circumference 4020012985.9025

Square

Length = n
Perimeter 2559219752
Area 409350358689183844
Diagonal 904820820.59288

Cube

Length = n
Surface area 2456102152135103064
Volume 2.6190438086141E+26
Space diagonal 1108174659.5495

Equilateral Triangle

Length = n
Perimeter 1919414814
Area 1.7725390483655E+17
Altitude 554087329.77473

Triangular Pyramid

Length = n
Surface area 1.7725390483655E+17
Volume 3.0865727288261E+25
Height 301606940.19763