638821712 (number)

638821712 is an even 9-digits composite number following 638821711 and preceding 638821713. In scientific notation, it is written as 6.38821712 × 10^8. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 309107040 positive integers (up to 638821712) that are relatively prime to 638821712.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred twenty-one thousand seven hundred twelve

Notation

Scientific notation 6.38821712 × 10^8
Engineering notation 6.38821712 × 10^6

Prime Factorization of 638821712

Prime Factorization 2 × 2 × 2 × 2 × 31 × 1287947

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 79852714
Product of the distinct prime numbers

The prime factorization of 638821712 is 2 × 2 × 2 × 2 × 31 × 1287947. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638821712)

Multiplication

n×y
n×2 1277643424
n×3 1916465136
n×4 2555286848
n×5 3194108560

Division

n÷y
n÷2 319410856
n÷3 212940570.66667
n÷3 159705428
n÷5 127764342.4

Exponentiation

ny
n2 408093179722610944
n3 2.6069878372592E+26
n4 1.6654004333611E+35
n5 1.0638939560053E+44

Nth Root

y√n
2√n 25274.922591375
3√n 861.24468767503
4√n 158.98088750342
5√n 57.686731620782

Divisors of 638821712

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638821711
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638821712 can be divided by 20 positive divisors. The sum of these divisors (counting 638821712) is 1, the average is 0.05.

Base conversion 638821712

Base System Value
2 Binary 100110000100111010010101010000
3 Ternary 1122112001111122102
4 Quaternary 212010322111100
5 Quinary 2302014243322
6 Senary 143220055532
8 Octal 4604722520
10 Decimal 638821712
12 Duodecimal 159b345a8
16 Hexadecimal 2613a550
20 Vigesimal 9jcce5c
36 Base36 akc5zk

Cryptographic Hash Functions

md5 ece6b80f0347623d37a51b619868f726
sha1 b80322ff80d53f32ec952f4ab001741368bd003f
sha256 0a5fca2b2f64b202d830136b4b6989edbe0c22b5f0692f01606706e517fdf6e4
sha512 9fa83698841889cc61432b3f035a924cb6bd8c287b2a9e6d992d82e75d520baeb7086710bb431c3d685303b36d0afc0194af13701ef50fa147369eed9679b8c6
ripemd-160 967afd6f092611859c549c0a1b593c314e739a28

638821712 as geometric shapes

Circle

Radius = n
Diameter 1277643424
Circumference 4013835194.7457
Area 1.2820625353967E+18

Sphere

Radius = n
Volume 1.0920125116709E+27
Surface area 5.1282501415866E+18
Circumference 4013835194.7457

Square

Length = n
Perimeter 2555286848
Area 408093179722610944
Diagonal 903430329.0488

Cube

Length = n
Surface area 2448559078335665664
Volume 2.6069878372592E+26
Space diagonal 1106471662.1621

Equilateral Triangle

Length = n
Perimeter 1916465136
Area 1.7670953037547E+17
Altitude 553235831.08107

Triangular Pyramid

Length = n
Surface area 1.7670953037547E+17
Volume 3.0723646303281E+25
Height 301143443.01627