638863489 (number)

638863489 is an odd 9-digits composite number following 638863488 and preceding 638863490. In scientific notation, it is written as 6.38863489 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 580784980 positive integers (up to 638863489) that are relatively prime to 638863489.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-three thousand four hundred eighty-nine

Notation

Scientific notation 6.38863489 × 10^8
Engineering notation 6.38863489 × 10^6

Prime Factorization of 638863489

Prime Factorization 11 × 58078499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638863489
Product of the distinct prime numbers

The prime factorization of 638863489 is 11 × 58078499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638863489)

Multiplication

n×y
n×2 1277726978
n×3 1916590467
n×4 2555453956
n×5 3194317445

Division

n÷y
n÷2 319431744.5
n÷3 212954496.33333
n÷3 159715872.25
n÷5 127772697.8

Exponentiation

ny
n2 408146557577253121
n3 2.6074993379714E+26
n4 1.6658361246216E+35
n5 1.064241878678E+44

Nth Root

y√n
2√n 25275.749029455
3√n 861.26346152817
4√n 158.98348665649
5√n 57.687486108459

Divisors of 638863489

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 -638863488
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 638863489 can be divided by 4 positive divisors. The sum of these divisors (counting 638863489) is 1, the average is 0.25.

Base conversion 638863489

Base System Value
2 Binary 100110000101000100100010000001
3 Ternary 1122112010121221201
4 Quaternary 212011010202001
5 Quinary 2302022112424
6 Senary 143221021201
8 Octal 4605044201
10 Decimal 638863489
12 Duodecimal 159b54801
16 Hexadecimal 26144881
20 Vigesimal 9jchie9
36 Base36 akd281

Cryptographic Hash Functions

md5 1ab992ad5935dfd7c0abd4a6a2e2c97b
sha1 5d6c0e44011053bb25e6dba993d814ab63487423
sha256 d3fba3c7beafdba332abeebe36b62d7b2146751cbada90f19f22a954891b4658
sha512 9b0fcf0ff21a0496bb24508315203b5d64cb728f1e8cadab456687f172e0da4501fe5cbf2df6c167b8662a92f8bcfb2640e53a55b4c6d1dddb955d39368f7f88
ripemd-160 37414b9a7428a407e235594d688055b33480f7be

638863489 as geometric shapes

Circle

Radius = n
Diameter 1277726978
Circumference 4014097687.3783
Area 1.2822302268727E+18

Sphere

Radius = n
Volume 1.0922267685882E+27
Surface area 5.1289209074906E+18
Circumference 4014097687.3783

Square

Length = n
Perimeter 2555453956
Area 408146557577253121
Diagonal 903489410.64879

Cube

Length = n
Surface area 2448879345463518726
Volume 2.6074993379714E+26
Space diagonal 1106544022.0487

Equilateral Triangle

Length = n
Perimeter 1916590467
Area 1.7673264366453E+17
Altitude 553272011.02436

Triangular Pyramid

Length = n
Surface area 1.7673264366453E+17
Volume 3.0729674396984E+25
Height 301163136.88293