638049809 (number)

638049809 is an odd 9-digits composite number following 638049808 and preceding 638049810. In scientific notation, it is written as 6.38049809 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 637906416 positive integers (up to 638049809) that are relatively prime to 638049809.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38049809 × 10^8
Engineering notation 6.38049809 × 10^6

Prime Factorization of 638049809

Prime Factorization 4597 × 138797

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638049809
Product of the distinct prime numbers

The prime factorization of 638049809 is 4597 × 138797. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 3, 83, 344, 31, 2507, 1539, 76804, 6813, 943679, 830657, 8436065, 2082295, 47602764, 16295352, 21864134, 456993630, 5084705628, 9344022552

Basic calculations (n = 638049809)

Multiplication

n×y
n×2 1276099618
n×3 1914149427
n×4 2552199236
n×5 3190249045

Division

n÷y
n÷2 319024904.5
n÷3 212683269.66667
n÷3 159512452.25
n÷5 127609961.8

Exponentiation

ny
n2 407107558764936481
n3 2.5975490011242E+26
n4 1.6573656440355E+35
n5 1.05748183262E+44

Nth Root

y√n
2√n 25259.647839984
3√n 860.89766059435
4√n 158.93284065914
5√n 57.672784036368

Divisors of 638049809

1, 4597, 138797, 638049809

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 -638049808
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 638049809 can be divided by 4 positive divisors. The sum of these divisors (counting 638049809) is 1, the average is 0.25.

Base conversion 638049809

Base System Value
2 Binary 100110000001111101111000010001
3 Ternary 1122110121021210102
4 Quaternary 212001331320101
5 Quinary 2301320043214
6 Senary 143151342145
8 Octal 4601757021
10 Decimal 638049809
12 Duodecimal 159821955
16 Hexadecimal 2607de11
20 Vigesimal 9j7g4a9
36 Base36 ajvmdt

Cryptographic Hash Functions

md5 42d3ae1de6fcc03462eb99d9bfc8b0fe
sha1 9c30078d99eaaed375d2243668a90a5afbc7fae9
sha256 0e34e8fd27b86f1a161289758099cb184e4694ec68f4554c3287682950376a8a
sha512 bae0002b318282a0e2a6830ab84e95c57c0ab3c787bb114db2844099d7e3c9c4a6a4993c52e58968f4e4ef2a3c6696687d0da1b5f33a64a13401619bbd12e0e1
ripemd-160 dae88e4b50b5d5da1ec26beecc000f983b68cac6

638049809 as geometric shapes

Circle

Radius = n
Diameter 1276099618
Circumference 4008985185.1575
Area 1.2789661158368E+18

Sphere

Radius = n
Volume 1.0880587812362E+27
Surface area 5.1158644633472E+18
Circumference 4008985185.1575

Square

Length = n
Perimeter 2552199236
Area 407107558764936481
Diagonal 902338693.35736

Cube

Length = n
Surface area 2442645352589618886
Volume 2.5975490011242E+26
Space diagonal 1105134686.9476

Equilateral Triangle

Length = n
Perimeter 1914149427
Area 1.7628274398155E+17
Altitude 552567343.47381

Triangular Pyramid

Length = n
Surface area 1.7628274398155E+17
Volume 3.0612408552655E+25
Height 300779564.45245