638478813 (number)

638478813 is an odd 9-digits composite number following 638478812 and preceding 638478814. In scientific notation, it is written as 6.38478813 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 364041216 positive integers (up to 638478813) that are relatively prime to 638478813.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred seventy-eight thousand eight hundred thirteen

Notation

Scientific notation 6.38478813 × 10^8
Engineering notation 6.38478813 × 10^6

Prime Factorization of 638478813

Prime Factorization 3 × 7 × 457 × 66529

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638478813
Product of the distinct prime numbers

The prime factorization of 638478813 is 3 × 7 × 457 × 66529. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 10, 68, 605, 176, 4846, 9794, 62365, 19062, 992311, 246183, 519279, 3077446, 38251110, 6894446, 618057468, 522499628, 8456115059, 611787369

Basic calculations (n = 638478813)

Multiplication

n×y
n×2 1276957626
n×3 1915436439
n×4 2553915252
n×5 3192394065

Division

n÷y
n÷2 319239406.5
n÷3 212826271
n÷3 159619703.25
n÷5 127695762.6

Exponentiation

ny
n2 407655194649888969
n3 2.6027920479335E+26
n4 1.6618275772504E+35
n5 1.0610416989335E+44

Nth Root

y√n
2√n 25268.138297073
3√n 861.09056392303
4√n 158.95954924783
5√n 57.680537413339

Divisors of 638478813

1, 3, 7, 21, 457, 1371, 3199, 9597, 66529, 199587, 465703, 1397109, 30403753, 91211259, 212826271, 638478813

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638478812
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638478813 can be divided by 16 positive divisors. The sum of these divisors (counting 638478813) is 1, the average is 0.0625.

Base conversion 638478813

Base System Value
2 Binary 100110000011100110100111011101
3 Ternary 1122111102002021110
4 Quaternary 212003212213131
5 Quinary 2301422310223
6 Senary 143204452233
8 Octal 4603464735
10 Decimal 638478813
12 Duodecimal 1599aa079
16 Hexadecimal 260e69dd
20 Vigesimal 9ja9h0d
36 Base36 ak4tel

Cryptographic Hash Functions

md5 94ad54ed537e189db2400af849b782e9
sha1 e8b0a2e41a79e4af6e375339558c9b2fc60795b6
sha256 ff498b51f80fee4c6973eed46cb1619165186f41734cd5af87559e71bb1ca6c5
sha512 c2599ca572144e121c5f4f1e02925cabbe9b58e864225115cf62a14b1c7c99e3a9fc9dcfd86c28ced6666fae1e19ec378e81bd008ab1554f1f59a3aaab3cc3c0
ripemd-160 e1caa4a528e8690299c47048a73c83e37051a371

638478813 as geometric shapes

Circle

Radius = n
Diameter 1276957626
Circumference 4011680696.7871
Area 1.2806865647098E+18

Sphere

Radius = n
Volume 1.090254983548E+27
Surface area 5.1227462588392E+18
Circumference 4011680696.7871

Square

Length = n
Perimeter 2553915252
Area 407655194649888969
Diagonal 902945396.63248

Cube

Length = n
Surface area 2445931167899333814
Volume 2.6027920479335E+26
Space diagonal 1105877743.6723

Equilateral Triangle

Length = n
Perimeter 1915436439
Area 1.7651987727575E+17
Altitude 552938871.83613

Triangular Pyramid

Length = n
Surface area 1.7651987727575E+17
Volume 3.0674198451869E+25
Height 300981798.87749