638021243 (number)

638021243 is an odd 9-digits composite number following 638021242 and preceding 638021244. In scientific notation, it is written as 6.38021243 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 631247400 positive integers (up to 638021243) that are relatively prime to 638021243.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38021243 × 10^8
Engineering notation 6.38021243 × 10^6

Prime Factorization of 638021243

Prime Factorization 103 × 1471 × 4211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638021243
Product of the distinct prime numbers

The prime factorization of 638021243 is 103 × 1471 × 4211. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 68, 37, 693, 835, 783, 7400, 93612, 71840, 556002, 852419, 6495007, 5844658, 18973821, 81403840, 34963829, 169830071, 3405771494, 9652432857

Basic calculations (n = 638021243)

Multiplication

n×y
n×2 1276042486
n×3 1914063729
n×4 2552084972
n×5 3190106215

Division

n÷y
n÷2 319010621.5
n÷3 212673747.66667
n÷3 159505310.75
n÷5 127604248.6

Exponentiation

ny
n2 407071106519265049
n3 2.5972001337081E+26
n4 1.6570688576282E+35
n5 1.0572451322805E+44

Nth Root

y√n
2√n 25259.082386342
3√n 860.88481271046
4√n 158.93106174169
5√n 57.67226761579

Divisors of 638021243

1, 103, 1471, 4211, 151513, 433733, 6194381, 638021243

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 -638021242
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 638021243 can be divided by 8 positive divisors. The sum of these divisors (counting 638021243) is 1, the average is 0.125.

Base conversion 638021243

Base System Value
2 Binary 100110000001110110111001111011
3 Ternary 1122110112211121102
4 Quaternary 212001312321323
5 Quinary 2301313134433
6 Senary 143151002015
8 Octal 4601667173
10 Decimal 638021243
12 Duodecimal 15980930b
16 Hexadecimal 26076e7b
20 Vigesimal 9j7cd23
36 Base36 ajv0cb

Cryptographic Hash Functions

md5 477ee3f46c69aabb4ca820870154cccc
sha1 e557f6481590ca5a68bd08b109978f3aecdf3889
sha256 d307e15ce61f59a28d53428a1e0a633325f440e1828a117649d5125d6e79c686
sha512 b2070ecc99993a768260071b16128250f52dd284eb477978d61366bd1687649908c27994feefc4a0aed28c12cb2ac921474c10ccc998bd71765739f0e50c9ec9
ripemd-160 920517e85d400c04e736ee43c29187300d2ba283

638021243 as geometric shapes

Circle

Radius = n
Diameter 1276042486
Circumference 4008805699.6861
Area 1.2788515977296E+18

Sphere

Radius = n
Volume 1.0879126479946E+27
Surface area 5.1154063909184E+18
Circumference 4008805699.6861

Square

Length = n
Perimeter 2552084972
Area 407071106519265049
Diagonal 902298294.93274

Cube

Length = n
Surface area 2442426639115590294
Volume 2.5972001337081E+26
Space diagonal 1105085209.1842

Equilateral Triangle

Length = n
Perimeter 1914063729
Area 1.7626695969616E+17
Altitude 552542604.59212

Triangular Pyramid

Length = n
Surface area 1.7626695969616E+17
Volume 3.0608297110726E+25
Height 300766098.31091