638993608 (number)

638993608 is an even 9-digits composite number following 638993607 and preceding 638993609. In scientific notation, it is written as 6.38993608 × 10^8. The sum of its digits is 52. It has a total of 5 prime factors and 16 positive divisors. There are 290451600 positive integers (up to 638993608) that are relatively prime to 638993608.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-three thousand six hundred eight

Notation

Scientific notation 6.38993608 × 10^8
Engineering notation 6.38993608 × 10^6

Prime Factorization of 638993608

Prime Factorization 2 × 2 × 2 × 11 × 7261291

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159748402
Product of the distinct prime numbers

The prime factorization of 638993608 is 2 × 2 × 2 × 11 × 7261291. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638993608)

Multiplication

n×y
n×2 1277987216
n×3 1916980824
n×4 2555974432
n×5 3194968040

Division

n÷y
n÷2 319496804
n÷3 212997869.33333
n÷3 159748402
n÷5 127798721.6

Exponentiation

ny
n2 408312831064857664
n3 2.6090928911483E+26
n4 1.667193680122E+35
n5 1.0653261048959E+44

Nth Root

y√n
2√n 25278.322887407
3√n 861.3219294872
4√n 158.99158118406
5√n 57.689835789317

Divisors of 638993608

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 -638993607
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 638993608 can be divided by 16 positive divisors. The sum of these divisors (counting 638993608) is 1, the average is 0.0625.

Base conversion 638993608

Base System Value
2 Binary 100110000101100100010011001000
3 Ternary 1122112101020102221
4 Quaternary 212011210103020
5 Quinary 2302040243413
6 Senary 143223503424
8 Octal 4605442310
10 Decimal 638993608
12 Duodecimal 159bb7b74
16 Hexadecimal 261644c8
20 Vigesimal 9jde408
36 Base36 akfumg

Cryptographic Hash Functions

md5 1a642ad33eacbf990339be5aa92e9537
sha1 6421757f0e6df167fd716b06121336f58100212d
sha256 c69bae12ef5393cdba1598df42283ca14f060664d0dc86f209ea573e92508c1c
sha512 3bea2995f6e5b7558626ef58d6cae1315c9d4c82670a3a733864c7e5750f85a2e5bf3f4fcec2d4d104a1ceb166b70a1cb4aaffe15043582cb77a391acb3990c9
ripemd-160 efe4bffa0a9172efe4620f27613e04a1f7030d07

638993608 as geometric shapes

Circle

Radius = n
Diameter 1277987216
Circumference 4014915249.1673
Area 1.2827525904398E+18

Sphere

Radius = n
Volume 1.092894274582E+27
Surface area 5.1310103617592E+18
Circumference 4014915249.1673

Square

Length = n
Perimeter 2555974432
Area 408312831064857664
Diagonal 903673426.70332

Cube

Length = n
Surface area 2449876986389145984
Volume 2.6090928911483E+26
Space diagonal 1106769394.7678

Equilateral Triangle

Length = n
Perimeter 1916980824
Area 1.7680464219666E+17
Altitude 553384697.38388

Triangular Pyramid

Length = n
Surface area 1.7680464219666E+17
Volume 3.0748454601276E+25
Height 301224475.56777