638003945 (number)

638003945 is an odd 9-digits composite number following 638003944 and preceding 638003946. In scientific notation, it is written as 6.38003945 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 483539760 positive integers (up to 638003945) that are relatively prime to 638003945.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million three thousand nine hundred forty-five

Notation

Scientific notation 6.38003945 × 10^8
Engineering notation 6.38003945 × 10^6

Prime Factorization of 638003945

Prime Factorization 5 × 19 × 6715831

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638003945
Product of the distinct prime numbers

The prime factorization of 638003945 is 5 × 19 × 6715831. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 70, 23, 29, 863, 4957, 6583, 18171, 22194, 611040, 974647, 6223019, 3497436, 40067819, 28822390, 708657361, 404494295, 6455938275, 8282069520

Basic calculations (n = 638003945)

Multiplication

n×y
n×2 1276007890
n×3 1914011835
n×4 2552015780
n×5 3190019725

Division

n÷y
n÷2 319001972.5
n÷3 212667981.66667
n÷3 159500986.25
n÷5 127600789

Exponentiation

ny
n2 407049033835563025
n3 2.5969888939553E+26
n4 1.6568891594647E+35
n5 1.0571018201662E+44

Nth Root

y√n
2√n 25258.739972532
3√n 860.8770325515
4√n 158.92998449799
5√n 57.671954890873

Divisors of 638003945

1, 5, 19, 95, 6715831, 33579155, 127600789, 638003945

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 -638003944
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 638003945 can be divided by 8 positive divisors. The sum of these divisors (counting 638003945) is 1, the average is 0.125.

Base conversion 638003945

Base System Value
2 Binary 100110000001110010101011101001
3 Ternary 1122110111221212202
4 Quaternary 212001302223221
5 Quinary 2301312111240
6 Senary 143150345545
8 Octal 4601625351
10 Decimal 638003945
12 Duodecimal 1597bb2b5
16 Hexadecimal 26072ae9
20 Vigesimal 9j7a9h5
36 Base36 ajumzt

Cryptographic Hash Functions

md5 c18b70c8ef8391e3beb52f106cad0895
sha1 ba5eb44bd8c4ae94c93a87f0357f4ef74115d8cc
sha256 7d24ac8c31f37d2066af1190db2ce2fd20e39fec6563738293766aef7ad9b296
sha512 644937bd1dc2dc741d5d8a5ca92c5b02c98732b2335f96838dcee5bc1f753b08cf816f1d5fb28b69404baef48da7daec2274142612e098f282a37185d31327cc
ripemd-160 27ed1a0e9471a95315238a5b8143715c124108df

638003945 as geometric shapes

Circle

Radius = n
Diameter 1276007890
Circumference 4008697013.1466
Area 1.2787822543486E+18

Sphere

Radius = n
Volume 1.0878241640939E+27
Surface area 5.1151290173945E+18
Circumference 4008697013.1466

Square

Length = n
Perimeter 2552015780
Area 407049033835563025
Diagonal 902273831.86654

Cube

Length = n
Surface area 2442294203013378150
Volume 2.5969888939553E+26
Space diagonal 1105055248.1694

Equilateral Triangle

Length = n
Perimeter 1914011835
Area 1.7625740194375E+17
Altitude 552527624.08469

Triangular Pyramid

Length = n
Surface area 1.7625740194375E+17
Volume 3.0605807626365E+25
Height 300757943.95551