638865068 (number)

638865068 is an even 9-digits composite number following 638865067 and preceding 638865069. In scientific notation, it is written as 6.38865068 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 6 positive divisors. There are 319432532 positive integers (up to 638865068) that are relatively prime to 638865068.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38865068 × 10^8
Engineering notation 6.38865068 × 10^6

Prime Factorization of 638865068

Prime Factorization 2 × 2 × 159716267

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 319432534
Product of the distinct prime numbers

The prime factorization of 638865068 is 2 × 2 × 159716267. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 10, 19, 510, 447, 3626, 1689, 34350, 42154, 131865, 16132, 8012143, 6233377, 19989939, 58524752, 462338819, 174643568, 5558680123, 9071508686

Basic calculations (n = 638865068)

Multiplication

n×y
n×2 1277730136
n×3 1916595204
n×4 2555460272
n×5 3194325340

Division

n÷y
n÷2 319432534
n÷3 212955022.66667
n÷3 159716267
n÷5 127773013.6

Exponentiation

ny
n2 408148575110644624
n3 2.6075186719217E+26
n4 1.6658525936485E+35
n5 1.0642550305192E+44

Nth Root

y√n
2√n 25275.78026491
3√n 861.2641710871
4√n 158.98358489136
5√n 57.687514624238

Divisors of 638865068

1, 2, 4, 159716267, 319432534, 638865068

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638865067
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638865068 can be divided by 6 positive divisors. The sum of these divisors (counting 638865068) is 1, the average is 0.16666666666667.

Base conversion 638865068

Base System Value
2 Binary 100110000101000100111010101100
3 Ternary 1122112010201010012
4 Quaternary 212011010322230
5 Quinary 2302022140233
6 Senary 143221032352
8 Octal 4605047254
10 Decimal 638865068
12 Duodecimal 159b556b8
16 Hexadecimal 26144eac
20 Vigesimal 9jci2d8
36 Base36 akd3fw

Cryptographic Hash Functions

md5 3c158f9146152387e1dc5a5e236200df
sha1 cff353bbf67772cee7167515aea10db5d89aa168
sha256 8ee9031ae440aa6d53c0fd84e6123a246381e8448c08e4f48ba8e3579d8bcc2a
sha512 cefb9e430882dfafca28f3414cdc138e481684af473d3c1c95b7a581172deb8e6615a19b28209f5ad5e82bb86b779ab80fc598aa401f3bb9f9831c0ca0dd8b35
ripemd-160 c5aa98fb29b3ab65bbf9413f54aba993f8e52f86

638865068 as geometric shapes

Circle

Radius = n
Diameter 1277730136
Circumference 4014107608.5279
Area 1.2822365651407E+18

Sphere

Radius = n
Volume 1.0922348671743E+27
Surface area 5.128946260563E+18
Circumference 4014107608.5279

Square

Length = n
Perimeter 2555460272
Area 408148575110644624
Diagonal 903491643.69201

Cube

Length = n
Surface area 2448891450663867744
Volume 2.6075186719217E+26
Space diagonal 1106546756.9569

Equilateral Triangle

Length = n
Perimeter 1916595204
Area 1.7673351728212E+17
Altitude 553273378.47847

Triangular Pyramid

Length = n
Surface area 1.7673351728212E+17
Volume 3.0729902249772E+25
Height 301163881.23067