638049018 (number)

638049018 is an even 9-digits composite number following 638049017 and preceding 638049019. In scientific notation, it is written as 6.38049018 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 212683004 positive integers (up to 638049018) that are relatively prime to 638049018.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million forty-nine thousand eighteen

Notation

Scientific notation 6.38049018 × 10^8
Engineering notation 6.38049018 × 10^6

Prime Factorization of 638049018

Prime Factorization 2 × 3 × 106341503

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638049018
Product of the distinct prime numbers

The prime factorization of 638049018 is 2 × 3 × 106341503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638049018)

Multiplication

n×y
n×2 1276098036
n×3 1914147054
n×4 2552196072
n×5 3190245090

Division

n÷y
n÷2 319024509
n÷3 212683006
n÷3 159512254.5
n÷5 127609803.6

Exponentiation

ny
n2 407106549370764324
n3 2.5975393404738E+26
n4 1.6573574254057E+35
n5 1.0574752777551E+44

Nth Root

y√n
2√n 25259.632182595
3√n 860.89730483825
4√n 158.93279140126
5√n 57.672769736796

Divisors of 638049018

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 -638049017
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 638049018 can be divided by 8 positive divisors. The sum of these divisors (counting 638049018) is 1, the average is 0.125.

Base conversion 638049018

Base System Value
2 Binary 100110000001111101101011111010
3 Ternary 1122110121020201010
4 Quaternary 212001331223322
5 Quinary 2301320032033
6 Senary 143151334350
8 Octal 4601755372
10 Decimal 638049018
12 Duodecimal 1598213b6
16 Hexadecimal 2607dafa
20 Vigesimal 9j7g2ai
36 Base36 ajvlru

Cryptographic Hash Functions

md5 de3dff2813c459c1f7faf7a5fc1fb122
sha1 be30c95479bd9115606163f43404925893bba955
sha256 74b3f206deed70e093560bc1dcc5bbb09fc84706c3e24abf1e69d1b870c97b0e
sha512 24cdfeb6d6562b9cf7a8fac60c0384fca6b2581a7fc63772f7c3d4bc76bdf518b3ade9c21a9689046d5cf221cc355d28b0fb80e3af73440168f3655601590572
ripemd-160 5290434c8a875a2ba7c212cbf4266f1421251a3c

638049018 as geometric shapes

Circle

Radius = n
Diameter 1276098036
Circumference 4008980215.158
Area 1.2789629447315E+18

Sphere

Radius = n
Volume 1.0880547345924E+27
Surface area 5.1158517789259E+18
Circumference 4008980215.158

Square

Length = n
Perimeter 2552196072
Area 407106549370764324
Diagonal 902337574.71444

Cube

Length = n
Surface area 2442639296224585944
Volume 2.5975393404738E+26
Space diagonal 1105133316.8954

Equilateral Triangle

Length = n
Perimeter 1914147054
Area 1.7628230690105E+17
Altitude 552566658.44771

Triangular Pyramid

Length = n
Surface area 1.7628230690105E+17
Volume 3.0612294700798E+25
Height 300779191.57148