638537842 (number)

638537842 is an even 9-digits composite number following 638537841 and preceding 638537843. In scientific notation, it is written as 6.38537842 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 318612852 positive integers (up to 638537842) that are relatively prime to 638537842.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred thirty-seven thousand eight hundred forty-two

Notation

Scientific notation 6.38537842 × 10^8
Engineering notation 6.38537842 × 10^6

Prime Factorization of 638537842

Prime Factorization 2 × 487 × 655583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638537842
Product of the distinct prime numbers

The prime factorization of 638537842 is 2 × 487 × 655583. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 4, 16, 75, 387, 925, 9401, 751, 94453, 57198, 519571, 590910, 7437793, 6437084, 27327490, 9570120, 140727136, 241300356, 5885496742, 471138983

Basic calculations (n = 638537842)

Multiplication

n×y
n×2 1277075684
n×3 1915613526
n×4 2554151368
n×5 3192689210

Division

n÷y
n÷2 319268921
n÷3 212845947.33333
n÷3 159634460.5
n÷5 127707568.4

Exponentiation

ny
n2 407730575666016964
n3 2.603514019032E+26
n4 1.6624422233294E+35
n5 1.0615322697344E+44

Nth Root

y√n
2√n 25269.306322098
3√n 861.1170997806
4√n 158.96322317473
5√n 57.681603916554

Divisors of 638537842

1, 2, 487, 974, 655583, 1311166, 319268921, 638537842

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 -638537841
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 638537842 can be divided by 8 positive divisors. The sum of these divisors (counting 638537842) is 1, the average is 0.125.

Base conversion 638537842

Base System Value
2 Binary 100110000011110101000001110010
3 Ternary 1122111112002020201
4 Quaternary 212003311001302
5 Quinary 2301431202332
6 Senary 143210025414
8 Octal 4603650162
10 Decimal 638537842
12 Duodecimal 159a1826a
16 Hexadecimal 260f5072
20 Vigesimal 9jah4c2
36 Base36 ak62ya

Cryptographic Hash Functions

md5 36553329a3d54e3559cc8405d71ea1b4
sha1 85cc37692d28314ecc7ca5f655f60257b44d9ab9
sha256 3e8f09a0c5a216cea7b75bcd806918d0169b290ac417813a892b1ac1896409b0
sha512 0a7a8422aa1bcebffa7cec1b91666c25db460963d9bae6f8aba83dc145d3331e25f8f70292156cf2df0cfc890e3307612d767e0ba14aa942d91395db01e1095c
ripemd-160 91985c3cb5874377c90437ec1dcc9c4594dec993

638537842 as geometric shapes

Circle

Radius = n
Diameter 1277075684
Circumference 4012051586.9326
Area 1.2809233811563E+18

Sphere

Radius = n
Volume 1.0905574020945E+27
Surface area 5.1236935246252E+18
Circumference 4012051586.9326

Square

Length = n
Perimeter 2554151368
Area 407730575666016964
Diagonal 903028876.24485

Cube

Length = n
Surface area 2446383453996101784
Volume 2.603514019032E+26
Space diagonal 1105979984.8994

Equilateral Triangle

Length = n
Perimeter 1915613526
Area 1.7655251821321E+17
Altitude 552989992.44969

Triangular Pyramid

Length = n
Surface area 1.7655251821321E+17
Volume 3.0682706962862E+25
Height 301009625.41495