638995798 (number)

638995798 is an even 9-digits composite number following 638995797 and preceding 638995799. In scientific notation, it is written as 6.38995798 × 10^8. The sum of its digits is 64. It has a total of 4 prime factors and 16 positive divisors. There are 261948456 positive integers (up to 638995798) that are relatively prime to 638995798.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-five thousand seven hundred ninety-eight

Notation

Scientific notation 6.38995798 × 10^8
Engineering notation 6.38995798 × 10^6

Prime Factorization of 638995798

Prime Factorization 2 × 7 × 23 × 1984459

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638995798
Product of the distinct prime numbers

The prime factorization of 638995798 is 2 × 7 × 23 × 1984459. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 98, 52, 959, 926, 7890, 350, 42568, 16567, 449930, 922255, 5053367, 6792333, 96163695, 25193141, 846599304, 968718034, 8111210536, 4316181027

Basic calculations (n = 638995798)

Multiplication

n×y
n×2 1277991596
n×3 1916987394
n×4 2555983192
n×5 3194978990

Division

n÷y
n÷2 319497899
n÷3 212998599.33333
n÷3 159748949.5
n÷5 127799159.6

Exponentiation

ny
n2 408315629861656804
n3 2.6091197173932E+26
n4 1.6672165358932E+35
n5 1.0653443607919E+44

Nth Root

y√n
2√n 25278.366205117
3√n 861.32291347872
4√n 158.99171741043
5√n 57.689875332926

Divisors of 638995798

1, 2, 7, 14, 23, 46, 161, 322, 1984459, 3968918, 13891213, 27782426, 45642557, 91285114, 319497899, 638995798

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 -638995797
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 638995798 can be divided by 16 positive divisors. The sum of these divisors (counting 638995798) is 1, the average is 0.0625.

Base conversion 638995798

Base System Value
2 Binary 100110000101100100110101010110
3 Ternary 1122112101100110001
4 Quaternary 212011210311112
5 Quinary 2302040331143
6 Senary 143223521514
8 Octal 4605446526
10 Decimal 638995798
12 Duodecimal 159bb929a
16 Hexadecimal 26164d56
20 Vigesimal 9jde99i
36 Base36 akfwba

Cryptographic Hash Functions

md5 5c1e17cdf1d1333488b243924e03cc53
sha1 847ca6f89e533cf7588b422cd3622359e1bb0a9f
sha256 7f8a8217d5880ef61513961f5cd32db4eb5f77c74e2892dfe89f3e7e8f75565f
sha512 949cd59992af82d0268dc51991b68afca0175870b8e9787b022a5d71755650c8a04777bac2702bd68bb6bd6853bf95a8fec1a1ec74e562e457921d638ffe9071
ripemd-160 ac0b163615cb1222066e1717cde2e266f2058991

638995798 as geometric shapes

Circle

Radius = n
Diameter 1277991596
Circumference 4014929009.3431
Area 1.2827613831193E+18

Sphere

Radius = n
Volume 1.0929055115332E+27
Surface area 5.1310455324771E+18
Circumference 4014929009.3431

Square

Length = n
Perimeter 2555983192
Area 408315629861656804
Diagonal 903676523.83102

Cube

Length = n
Surface area 2449893779169940824
Volume 2.6091197173932E+26
Space diagonal 1106773187.959

Equilateral Triangle

Length = n
Perimeter 1916987394
Area 1.7680585411122E+17
Altitude 553386593.97951

Triangular Pyramid

Length = n
Surface area 1.7680585411122E+17
Volume 3.0748770751605E+25
Height 301225507.94367