638865049 (number)

638865049 is an odd 9-digits composite number following 638865048 and preceding 638865050. In scientific notation, it is written as 6.38865049 × 10^8. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 595961856 positive integers (up to 638865049) that are relatively prime to 638865049.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38865049 × 10^8
Engineering notation 6.38865049 × 10^6

Prime Factorization of 638865049

Prime Factorization 17 × 113 × 332569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638865049
Product of the distinct prime numbers

The prime factorization of 638865049 is 17 × 113 × 332569. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 47, 26, 863, 88, 332, 3372, 39054, 23551, 36265, 989494, 3479023, 420169, 70262489, 98483250, 61958282, 893926337, 2615423022, 401671063

Basic calculations (n = 638865049)

Multiplication

n×y
n×2 1277730098
n×3 1916595147
n×4 2555460196
n×5 3194325245

Division

n÷y
n÷2 319432524.5
n÷3 212955016.33333
n÷3 159716262.25
n÷5 127773009.8

Exponentiation

ny
n2 408148550833772401
n3 2.607518439277E+26
n4 1.6658523954771E+35
n5 1.0642548722632E+44

Nth Root

y√n
2√n 25275.779889056
3√n 861.26416254904
4√n 158.98358370931
5√n 57.68751428111

Divisors of 638865049

1, 17, 113, 1921, 332569, 5653673, 37580297, 638865049

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 -638865048
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 638865049 can be divided by 8 positive divisors. The sum of these divisors (counting 638865049) is 1, the average is 0.125.

Base conversion 638865049

Base System Value
2 Binary 100110000101000100111010011001
3 Ternary 1122112010201002111
4 Quaternary 212011010322121
5 Quinary 2302022140144
6 Senary 143221032321
8 Octal 4605047231
10 Decimal 638865049
12 Duodecimal 159b556a1
16 Hexadecimal 26144e99
20 Vigesimal 9jci2c9
36 Base36 akd3fd

Cryptographic Hash Functions

md5 1a4ea6232d5574d1b910deaa5e03bb37
sha1 ef31251c841588bb49698745aeea6f26e79e734e
sha256 f848657f73e6e0a6a04976028ef0161a1ccfa5bf1d01827a7f903d6fd4aa23af
sha512 5acd89730820eb55dd3628e8a927cfb557b9626b77fa1dd5c96c8deb0b28121c467b1f8813a2202f02346c8f1eb92fb28bcb65bd51f7f274a50b1b507f19deb5
ripemd-160 a1d229066c03f4b410dd9aba6b0a0ada270a078c

638865049 as geometric shapes

Circle

Radius = n
Diameter 1277730098
Circumference 4014107489.1474
Area 1.2822364888727E+18

Sphere

Radius = n
Volume 1.0922347697243E+27
Surface area 5.1289459554908E+18
Circumference 4014107489.1474

Square

Length = n
Perimeter 2555460196
Area 408148550833772401
Diagonal 903491616.82195

Cube

Length = n
Surface area 2448891305002634406
Volume 2.607518439277E+26
Space diagonal 1106546724.048

Equilateral Triangle

Length = n
Perimeter 1916595147
Area 1.7673350676993E+17
Altitude 553273362.02399

Triangular Pyramid

Length = n
Surface area 1.7673350676993E+17
Volume 3.0729899508028E+25
Height 301163872.27398