638631731 (number)

638631731 is an odd 9-digits composite number following 638631730 and preceding 638631732. In scientific notation, it is written as 6.38631731 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 603857760 positive integers (up to 638631731) that are relatively prime to 638631731.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred thirty-one thousand seven hundred thirty-one

Notation

Scientific notation 6.38631731 × 10^8
Engineering notation 6.38631731 × 10^6

Prime Factorization of 638631731

Prime Factorization 23 × 149 × 331 × 563

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638631731
Product of the distinct prime numbers

The prime factorization of 638631731 is 23 × 149 × 331 × 563. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 13, 12, 85, 325, 3700, 3922, 61726, 78251, 69346, 122576, 8005068, 3946679, 16084929, 86127609, 650376061, 345179042, 1798170820, 842396928

Basic calculations (n = 638631731)

Multiplication

n×y
n×2 1277263462
n×3 1915895193
n×4 2554526924
n×5 3193158655

Division

n÷y
n÷2 319315865.5
n÷3 212877243.66667
n÷3 159657932.75
n÷5 127726346.2

Exponentiation

ny
n2 407850487840056361
n3 2.6046626303849E+26
n4 1.6634202043137E+35
n5 1.0623129244612E+44

Nth Root

y√n
2√n 25271.164021469
3√n 861.15930321046
4√n 158.96906624079
5√n 57.683300088421

Divisors of 638631731

1, 23, 149, 331, 563, 3427, 7613, 12949, 49319, 83887, 186353, 1134337, 1929401, 4286119, 27766597, 638631731

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638631730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638631731 can be divided by 16 positive divisors. The sum of these divisors (counting 638631731) is 1, the average is 0.0625.

Base conversion 638631731

Base System Value
2 Binary 100110000100001011111100110011
3 Ternary 1122111200212001002
4 Quaternary 212010023330303
5 Quinary 2301442203411
6 Senary 143212032215
8 Octal 4604137463
10 Decimal 638631731
12 Duodecimal 159a6266b
16 Hexadecimal 2610bf33
20 Vigesimal 9jb8j6b
36 Base36 ak83eb

Cryptographic Hash Functions

md5 6b9a7542f77168975a0de943bb5a6e64
sha1 a8e8c7f1f81a49d92c4d48d2e7122b722fe8f5a7
sha256 d55f85e5de44b75f495e138256b77a1c47fa6f766dc3f20dbc7ccea609981d8f
sha512 2d0ec0cfc9485f1c977722ada35e4d53c2863d7559e5f7207f0f9359593343715137acf7cc1971e36ad05feedef954646f200a7eb1093c5f7dc05209bcc7da80
ripemd-160 c1398c6b5dd20606be16e395d773562b90caf8d7

638631731 as geometric shapes

Circle

Radius = n
Diameter 1277263462
Circumference 4012641508.9179
Area 1.2813000963613E+18

Sphere

Radius = n
Volume 1.0910385312929E+27
Surface area 5.1252003854453E+18
Circumference 4012641508.9179

Square

Length = n
Perimeter 2554526924
Area 407850487840056361
Diagonal 903161655.34201

Cube

Length = n
Surface area 2447102927040338166
Volume 2.6046626303849E+26
Space diagonal 1106142605.4177

Equilateral Triangle

Length = n
Perimeter 1915895193
Area 1.7660444170768E+17
Altitude 553071302.70883

Triangular Pyramid

Length = n
Surface area 1.7660444170768E+17
Volume 3.0696243477473E+25
Height 301053885.114