638993571 (number)

638993571 is an odd 9-digits composite number following 638993570 and preceding 638993572. In scientific notation, it is written as 6.38993571 × 10^8. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 425995712 positive integers (up to 638993571) that are relatively prime to 638993571.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-three thousand five hundred seventy-one

Notation

Scientific notation 6.38993571 × 10^8
Engineering notation 6.38993571 × 10^6

Prime Factorization of 638993571

Prime Factorization 3 × 212997857

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638993571
Product of the distinct prime numbers

The prime factorization of 638993571 is 3 × 212997857. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638993571)

Multiplication

n×y
n×2 1277987142
n×3 1916980713
n×4 2555974284
n×5 3194967855

Division

n÷y
n÷2 319496785.5
n÷3 212997857
n÷3 159748392.75
n÷5 127798714.2

Exponentiation

ny
n2 408312783779332041
n3 2.6090924379211E+26
n4 1.6671932939763E+35
n5 1.0653257964652E+44

Nth Root

y√n
2√n 25278.322155555
3√n 861.32191286267
4√n 158.99157888251
5√n 57.689835121227

Divisors of 638993571

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 -638993570
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 638993571 can be divided by 4 positive divisors. The sum of these divisors (counting 638993571) is 1, the average is 0.25.

Base conversion 638993571

Base System Value
2 Binary 100110000101100100010010100011
3 Ternary 1122112101020101120
4 Quaternary 212011210102203
5 Quinary 2302040243241
6 Senary 143223503323
8 Octal 4605442243
10 Decimal 638993571
12 Duodecimal 159bb7b43
16 Hexadecimal 261644a3
20 Vigesimal 9jde3ib
36 Base36 akfulf

Cryptographic Hash Functions

md5 69ae4e443035aa2b910d573ade193ac9
sha1 a8c90067fe1801b95816f559350910aa6031ecce
sha256 fdb107707c8f500c9d5bfacac0d9b4f92bb3ec0b5769cdc82b9e6bdd963ebb43
sha512 195fe8d197f6517292517aa9a0d5471a0f2498e08492fb00dd7f0bc0c752f46547690fa60f2389bb02001bb9b4d3d73705ddb98d5687a802dc7a0f03558087b4
ripemd-160 12f8a298039d9e436fb7b1098ae55f878f5a5049

638993571 as geometric shapes

Circle

Radius = n
Diameter 1277987142
Circumference 4014915016.6894
Area 1.2827524418879E+18

Sphere

Radius = n
Volume 1.0928940847346E+27
Surface area 5.1310097675518E+18
Circumference 4014915016.6894

Square

Length = n
Perimeter 2555974284
Area 408312783779332041
Diagonal 903673374.37742

Cube

Length = n
Surface area 2449876702675992246
Volume 2.6090924379211E+26
Space diagonal 1106769330.6819

Equilateral Triangle

Length = n
Perimeter 1916980713
Area 1.7680462172142E+17
Altitude 553384665.34094

Triangular Pyramid

Length = n
Surface area 1.7680462172142E+17
Volume 3.0748449259942E+25
Height 301224458.12581