638620243 (number)

638620243 is an odd 9-digits composite number following 638620242 and preceding 638620244. In scientific notation, it is written as 6.38620243 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 618019560 positive integers (up to 638620243) that are relatively prime to 638620243.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred twenty thousand two hundred forty-three

Notation

Scientific notation 6.38620243 × 10^8
Engineering notation 6.38620243 × 10^6

Prime Factorization of 638620243

Prime Factorization 31 × 20600653

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638620243
Product of the distinct prime numbers

The prime factorization of 638620243 is 31 × 20600653. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 7, 41, 65, 652, 254, 160, 5034, 76777, 67229, 980176, 103677, 6782575, 6355581, 42895031, 65414377, 687427772, 785734557, 5578471095, 7944136940

Basic calculations (n = 638620243)

Multiplication

n×y
n×2 1277240486
n×3 1915860729
n×4 2554480972
n×5 3193101215

Division

n÷y
n÷2 319310121.5
n÷3 212873414.33333
n÷3 159655060.75
n÷5 127724048.6

Exponentiation

ny
n2 407835814769379049
n3 2.6045220713212E+26
n4 1.663300518086E+35
n5 1.0622173810421E+44

Nth Root

y√n
2√n 25270.936725812
3√n 861.15413953688
4√n 158.96835133388
5√n 57.683092560205

Divisors of 638620243

1, 31, 20600653, 638620243

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 -638620242
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 638620243 can be divided by 4 positive divisors. The sum of these divisors (counting 638620243) is 1, the average is 0.25.

Base conversion 638620243

Base System Value
2 Binary 100110000100001001001001010011
3 Ternary 1122111200021021121
4 Quaternary 212010021021103
5 Quinary 2301441321433
6 Senary 143211503111
8 Octal 4604111123
10 Decimal 638620243
12 Duodecimal 159a57a97
16 Hexadecimal 26109253
20 Vigesimal 9jb7ac3
36 Base36 ak7uj7

Cryptographic Hash Functions

md5 aa70f4da4d09e6589f1990f7a05781bb
sha1 a197be4874d8d4cb9c808312bd43a94aa504d68c
sha256 b101a39a46b9783d97a857e29cb964223ef27795bddfa933c2fee88096f7b8f6
sha512 1a169bd73490b818613eea019947f8a11a73627d42bb414ab6869132c6bd00386a61b51882fe5a6470954685e1d782f3ede46e40636df502e9197d442edd8451
ripemd-160 264077f86dbdd296a08f48eac9621d06378f037a

638620243 as geometric shapes

Circle

Radius = n
Diameter 1277240486
Circumference 4012569327.6851
Area 1.2812539995503E+18

Sphere

Radius = n
Volume 1.09097965405E+27
Surface area 5.1250159982012E+18
Circumference 4012569327.6851

Square

Length = n
Perimeter 2554480972
Area 407835814769379049
Diagonal 903145408.8566

Cube

Length = n
Surface area 2447014888616274294
Volume 2.6045220713212E+26
Space diagonal 1106122707.618

Equilateral Triangle

Length = n
Perimeter 1915860729
Area 1.765980880817E+17
Altitude 553061353.80899

Triangular Pyramid

Length = n
Surface area 1.765980880817E+17
Volume 3.0694586973021E+25
Height 301048469.61887