638863731 (number)

638863731 is an odd 9-digits composite number following 638863730 and preceding 638863732. In scientific notation, it is written as 6.38863731 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 385949760 positive integers (up to 638863731) that are relatively prime to 638863731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38863731 × 10^8
Engineering notation 6.38863731 × 10^6

Prime Factorization of 638863731

Prime Factorization 3 × 33 × 317 × 20357

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638863731
Product of the distinct prime numbers

The prime factorization of 638863731 is 3 × 33 × 317 × 20357. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 82, 16, 761, 898, 6589, 1718, 75376, 24071, 143723, 349348, 7902048, 7071611, 40627575, 16655097, 964347955, 967357832, 8218739546, 9276085055

Basic calculations (n = 638863731)

Multiplication

n×y
n×2 1277727462
n×3 1916591193
n×4 2555454924
n×5 3194318655

Division

n÷y
n÷2 319431865.5
n÷3 212954577
n÷3 159715932.75
n÷5 127772746.2

Exponentiation

ny
n2 408146866787240361
n3 2.6075023011166E+26
n4 1.6658386486824E+35
n5 1.0642438943412E+44

Nth Root

y√n
2√n 25275.753816652
3√n 861.26357027635
4√n 158.98350171213
5√n 57.687490478835

Divisors of 638863731

1, 3, 33, 99, 317, 951, 10461, 20357, 31383, 61071, 671781, 2015343, 6453169, 19359507, 212954577, 638863731

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 -638863730
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 638863731 can be divided by 16 positive divisors. The sum of these divisors (counting 638863731) is 1, the average is 0.0625.

Base conversion 638863731

Base System Value
2 Binary 100110000101000100100101110011
3 Ternary 1122112010122021200
4 Quaternary 212011010211303
5 Quinary 2302022114411
6 Senary 143221022243
8 Octal 4605044563
10 Decimal 638863731
12 Duodecimal 159b54983
16 Hexadecimal 26144973
20 Vigesimal 9jchj6b
36 Base36 akd2er

Cryptographic Hash Functions

md5 4a31c5ff80621478ae7ede9d2804acf9
sha1 bc30c47fba187e3947870422c2fcf6bac39f87b2
sha256 a7ce6a0776730d1ec7a33b271348091903783b4ccfdd5e3024387f20ae4126ae
sha512 9e193a44ba2aac25ea108c7af5e41b0332d07dca6990cafae55fb8dfee91986ff2f1e8e47754589441798e028ef84c8918bdbbf3977c06d5b12a0391e3016625
ripemd-160 0e32c2519da42e5f367d5f156656fcab354e544c

638863731 as geometric shapes

Circle

Radius = n
Diameter 1277727462
Circumference 4014099207.9091
Area 1.2822311982845E+18

Sphere

Radius = n
Volume 1.0922280097875E+27
Surface area 5.1289247931379E+18
Circumference 4014099207.9091

Square

Length = n
Perimeter 2555454924
Area 408146866787240361
Diagonal 903489752.88848

Cube

Length = n
Surface area 2448881200723442166
Volume 2.6075023011166E+26
Space diagonal 1106544441.205

Equilateral Triangle

Length = n
Perimeter 1916591193
Area 1.7673277755639E+17
Altitude 553272220.60251

Triangular Pyramid

Length = n
Surface area 1.7673277755639E+17
Volume 3.0729709317984E+25
Height 301163250.96283