638085243 (number)

638085243 is an odd 9-digits composite number following 638085242 and preceding 638085244. In scientific notation, it is written as 6.38085243 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 424030464 positive integers (up to 638085243) that are relatively prime to 638085243.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eighty-five thousand two hundred forty-three

Notation

Scientific notation 6.38085243 × 10^8
Engineering notation 6.38085243 × 10^6

Prime Factorization of 638085243

Prime Factorization 3 × 313 × 679537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638085243
Product of the distinct prime numbers

The prime factorization of 638085243 is 3 × 313 × 679537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 13, 2, 771, 852, 2525, 974, 82796, 2757, 613587, 104780, 2970252, 2528525, 52089332, 37563105, 778869748, 441273545, 8472440289, 7116408847

Basic calculations (n = 638085243)

Multiplication

n×y
n×2 1276170486
n×3 1914255729
n×4 2552340972
n×5 3190426215

Division

n÷y
n÷2 319042621.5
n÷3 212695081
n÷3 159521310.75
n÷5 127617048.6

Exponentiation

ny
n2 407152777334369049
n3 2.5979817886353E+26
n4 1.6577338409109E+35
n5 1.057775500707E+44

Nth Root

y√n
2√n 25260.349225614
3√n 860.91359690664
4√n 158.93504719103
5√n 57.673424592013

Divisors of 638085243

1, 3, 313, 939, 679537, 2038611, 212695081, 638085243

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 -638085242
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 638085243 can be divided by 8 positive divisors. The sum of these divisors (counting 638085243) is 1, the average is 0.125.

Base conversion 638085243

Base System Value
2 Binary 100110000010000110100001111011
3 Ternary 1122110200002101210
4 Quaternary 212002012201323
5 Quinary 2301322211433
6 Senary 143152214203
8 Octal 4602064173
10 Decimal 638085243
12 Duodecimal 15983a363
16 Hexadecimal 2608687b
20 Vigesimal 9j80d23
36 Base36 ajwdq3

Cryptographic Hash Functions

md5 fe4aa76565b3eafcf676a18833e7fd44
sha1 32fd6042b82dd7ff4d2bca6d1d0f61d42c54ca64
sha256 d68f8a7261f8a5afc43eee04a55b546ac48be8d3d852353f33522906da443bb3
sha512 e52f91d6c28ab14f903302a9f11479eb6e0e3e6fbcbaa769fa63e3cc23807bf4f9b68f3724a2a42e283c4b9320f1639d4e651932d70e739ff5004215deaab31b
ripemd-160 85fb0c988c1bea20d7fc5ec935d2a1d3865ac21d

638085243 as geometric shapes

Circle

Radius = n
Diameter 1276170486
Circumference 4009207823.5457
Area 1.2791081741623E+18

Sphere

Radius = n
Volume 1.0882400668449E+27
Surface area 5.1164326966493E+18
Circumference 4009207823.5457

Square

Length = n
Perimeter 2552340972
Area 407152777334369049
Diagonal 902388804.60073

Cube

Length = n
Surface area 2442916664006214294
Volume 2.5979817886353E+26
Space diagonal 1105196060.4359

Equilateral Triangle

Length = n
Perimeter 1914255729
Area 1.7630232419648E+17
Altitude 552598030.21797

Triangular Pyramid

Length = n
Surface area 1.7630232419648E+17
Volume 3.0617509002386E+25
Height 300796268.20024