639838085 (number)

639838085 is an odd 9-digits composite number following 639838084 and preceding 639838086. In scientific notation, it is written as 6.39838085 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 511093440 positive integers (up to 639838085) that are relatively prime to 639838085.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million eight hundred thirty-eight thousand eighty-five

Notation

Scientific notation 6.39838085 × 10^8
Engineering notation 6.39838085 × 10^6

Prime Factorization of 639838085

Prime Factorization 5 × 661 × 193597

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 639838085
Product of the distinct prime numbers

The prime factorization of 639838085 is 5 × 661 × 193597. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 68, 11, 782, 141, 5393, 4398, 54206, 34320, 92386, 911322, 7674384, 3917910, 81379335, 71987590, 433875522, 196233210, 3860380232, 9790583713

Basic calculations (n = 639838085)

Multiplication

n×y
n×2 1279676170
n×3 1919514255
n×4 2559352340
n×5 3199190425

Division

n÷y
n÷2 319919042.5
n÷3 213279361.66667
n÷3 159959521.25
n÷5 127967617

Exponentiation

ny
n2 409392775016467225
n3 2.6194508917937E+26
n4 1.6760244423568E+35
n5 1.0723842696108E+44

Nth Root

y√n
2√n 25295.020952749
3√n 861.7011958639
4√n 159.0440849348
5√n 57.705076006315

Divisors of 639838085

1, 5, 661, 3305, 193597, 967985, 127967617, 639838085

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 -639838084
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 639838085 can be divided by 8 positive divisors. The sum of these divisors (counting 639838085) is 1, the average is 0.125.

Base conversion 639838085

Base System Value
2 Binary 100110001000110010011110000101
3 Ternary 1122120222010211212
4 Quaternary 212020302132011
5 Quinary 2302244304320
6 Senary 143253541205
8 Octal 4610623605
10 Decimal 639838085
12 Duodecimal 15a344805
16 Hexadecimal 26232785
20 Vigesimal 9jijf45
36 Base36 akxy85

Cryptographic Hash Functions

md5 39418c1ac1ed53490ea553742530dea5
sha1 ff60d16e34bedc18a3f4b4b97c5405431b11fc70
sha256 fd20b672bc753f92f23e1d3db581ded8fe9088cb299e7c39d5606e8358798125
sha512 327b8253d52df9b008ba60e0401ffcdc4bb7198ce3b68ec11ceea7623e8fbc88a6fc5c9e49c2dcb5fc5120ae68d8376850763f9c9eba628e4834ad3c426ae254
ripemd-160 37b15c09e1e3c994dcfb56c6c92aba5a49ed162e

639838085 as geometric shapes

Circle

Radius = n
Diameter 1279676170
Circumference 4020221254.6459
Area 1.2861453344245E+18

Sphere

Radius = n
Volume 1.0972330237465E+27
Surface area 5.1445813376979E+18
Circumference 4020221254.6459

Square

Length = n
Perimeter 2559352340
Area 409392775016467225
Diagonal 904867697.52983

Cube

Length = n
Surface area 2456356650098803350
Volume 2.6194508917937E+26
Space diagonal 1108232071.8376

Equilateral Triangle

Length = n
Perimeter 1919514255
Area 1.7727227164503E+17
Altitude 554116035.91879

Triangular Pyramid

Length = n
Surface area 1.7727227164503E+17
Volume 3.0870524809542E+25
Height 301622565.84328