638121330 (number)

638121330 is an even 9-digits composite number following 638121329 and preceding 638121331. In scientific notation, it is written as 6.38121330 × 10^8. The sum of its digits is 27. It has a total of 7 prime factors and 64 positive divisors. There are 132422400 positive integers (up to 638121330) that are relatively prime to 638121330.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million one hundred twenty-one thousand three hundred thirty

Notation

Scientific notation 6.38121330 × 10^8
Engineering notation 6.38121330 × 10^6

Prime Factorization of 638121330

Prime Factorization 2 × 63 × 11 × 11 × 5 × 11 × 761

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5273730
Product of the distinct prime numbers

The prime factorization of 638121330 is 2 × 63 × 11 × 11 × 5 × 11 × 761. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638121330)

Multiplication

n×y
n×2 1276242660
n×3 1914363990
n×4 2552485320
n×5 3190606650

Division

n÷y
n÷2 319060665
n÷3 212707110
n÷3 159530332.5
n÷5 127624266

Exponentiation

ny
n2 407198831800968900
n3 2.5984226012328E+26
n4 1.6581088862007E+35
n5 1.0580746477472E+44

Nth Root

y√n
2√n 25261.063516804
3√n 860.92982629691
4√n 158.93729429182
5√n 57.674076922972

Divisors of 638121330

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638121329
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638121330 can be divided by 64 positive divisors. The sum of these divisors (counting 638121330) is 1, the average is 0.015625.

Base conversion 638121330

Base System Value
2 Binary 100110000010001111010101110010
3 Ternary 1122110201220220100
4 Quaternary 212002033111302
5 Quinary 2301324340310
6 Senary 143153053230
8 Octal 4602172562
10 Decimal 638121330
12 Duodecimal 159857216
16 Hexadecimal 2608f572
20 Vigesimal 9j8536a
36 Base36 ajx5ki

Cryptographic Hash Functions

md5 a8dbc92219e1339f3044f04b24a4ba70
sha1 6a8e35e910ce7555e0aaddc5cb742c2938a2e1e6
sha256 ef8f2abf7f0e555e30701599cf7e5515ddd03e7b58378137892982e066e3b016
sha512 928996f5786dde01392eabeefc0629ad6e0f2140e97b06e81404471ec3d0a447c48560442e39ee1e185ca3a65717af75956c9712f441dc0776dd17abb8c829f2
ripemd-160 16f5b04cb893dd7d1a338411c181b8e97fb2907a

638121330 as geometric shapes

Circle

Radius = n
Diameter 1276242660
Circumference 4009434564.8539
Area 1.2792528585363E+18

Sphere

Radius = n
Volume 1.088424713994E+27
Surface area 5.1170114341451E+18
Circumference 4009434564.8539

Square

Length = n
Perimeter 2552485320
Area 407198831800968900
Diagonal 902439839.32556

Cube

Length = n
Surface area 2443192990805813400
Volume 2.5984226012328E+26
Space diagonal 1105258564.9534

Equilateral Triangle

Length = n
Perimeter 1914363990
Area 1.7632226636549E+17
Altitude 552629282.47671

Triangular Pyramid

Length = n
Surface area 1.7632226636549E+17
Volume 3.0622704028668E+25
Height 300813279.77519