638564809 (number)

638564809 is an odd 9-digits composite number following 638564808 and preceding 638564810. In scientific notation, it is written as 6.38564809 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 633903616 positive integers (up to 638564809) that are relatively prime to 638564809.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38564809 × 10^8
Engineering notation 6.38564809 × 10^6

Prime Factorization of 638564809

Prime Factorization 137 × 4661057

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638564809
Product of the distinct prime numbers

The prime factorization of 638564809 is 137 × 4661057. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 54, 13, 420, 34, 8237, 3698, 45099, 21006, 345851, 586188, 3349523, 959790, 96150366, 66986696, 65707783, 674885436, 5530404719, 6557745524

Basic calculations (n = 638564809)

Multiplication

n×y
n×2 1277129618
n×3 1915694427
n×4 2554259236
n×5 3192824045

Division

n÷y
n÷2 319282404.5
n÷3 212854936.33333
n÷3 159641202.25
n÷5 127712961.8

Exponentiation

ny
n2 407765015293206481
n3 2.6038438910759E+26
n4 1.6627230769707E+35
n5 1.0617564440657E+44

Nth Root

y√n
2√n 25269.839908476
3√n 861.12922196372
4√n 158.96490149865
5√n 57.682091115099

Divisors of 638564809

1, 137, 4661057, 638564809

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638564808
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638564809 can be divided by 4 positive divisors. The sum of these divisors (counting 638564809) is 1, the average is 0.25.

Base conversion 638564809

Base System Value
2 Binary 100110000011111011100111001001
3 Ternary 1122111120110020111
4 Quaternary 212003323213021
5 Quinary 2301433033214
6 Senary 143210354321
8 Octal 4603734711
10 Decimal 638564809
12 Duodecimal 159a2b9a1
16 Hexadecimal 260fb9c9
20 Vigesimal 9jb0c09
36 Base36 ak6nrd

Cryptographic Hash Functions

md5 4cb029554f3f4c3e33048161b09a634f
sha1 9d8f5db8d6767bb7e41c79a9f48ca67ca948ea97
sha256 4b06573c824f518f16494d7764fb7981ea85f8f3c672f6ed071d94cd347e5173
sha512 b22216656e2e3ea818b410edf5b1cf91a3053595cedf05d3c3e6b7cf2f0c10480d11a432f3ea00e26871813df8f2392affa09bf3ab4610fd1f0c0f884444c0a2
ripemd-160 5705bd4cb09301e0ebbe1aba6f0b1d7e2ee8546d

638564809 as geometric shapes

Circle

Radius = n
Diameter 1277129618
Circumference 4012221025.5907
Area 1.2810315764361E+18

Sphere

Radius = n
Volume 1.0906955785732E+27
Surface area 5.1241263057443E+18
Circumference 4012221025.5907

Square

Length = n
Perimeter 2554259236
Area 407765015293206481
Diagonal 903067013.34199

Cube

Length = n
Surface area 2446590091759238886
Volume 2.6038438910759E+26
Space diagonal 1106026693.1135

Equilateral Triangle

Length = n
Perimeter 1915694427
Area 1.7656743100923E+17
Altitude 553013346.55676

Triangular Pyramid

Length = n
Surface area 1.7656743100923E+17
Volume 3.0686594542182E+25
Height 301022337.78066