638861338 (number)

638861338 is an even 9-digits composite number following 638861337 and preceding 638861339. In scientific notation, it is written as 6.38861338 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 319430668 positive integers (up to 638861338) that are relatively prime to 638861338.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38861338 × 10^8
Engineering notation 6.38861338 × 10^6

Prime Factorization of 638861338

Prime Factorization 2 × 319430669

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638861338
Product of the distinct prime numbers

The prime factorization of 638861338 is 2 × 319430669. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 93, 26, 85, 507, 3082, 9372, 77801, 34360, 434053, 151434, 534481, 4461165, 73868506, 38298529, 751218467, 606563530, 5211166899, 980892516

Basic calculations (n = 638861338)

Multiplication

n×y
n×2 1277722676
n×3 1916584014
n×4 2555445352
n×5 3194306690

Division

n÷y
n÷2 319430669
n÷3 212953779.33333
n÷3 159715334.5
n÷5 127772267.6

Exponentiation

ny
n2 408143809191150244
n3 2.6074730003627E+26
n4 1.6658136898106E+35
n5 1.0642239627311E+44

Nth Root

y√n
2√n 25275.706478751
3√n 861.26249492638
4√n 158.98335283529
5√n 57.687447262617

Divisors of 638861338

1, 2, 319430669, 638861338

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 -638861337
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 638861338 can be divided by 4 positive divisors. The sum of these divisors (counting 638861338) is 1, the average is 0.25.

Base conversion 638861338

Base System Value
2 Binary 100110000101000100000000011010
3 Ternary 1122112010112000001
4 Quaternary 212011010000122
5 Quinary 2302022030323
6 Senary 143221003214
8 Octal 4605040032
10 Decimal 638861338
12 Duodecimal 159b5350a
16 Hexadecimal 2614401a
20 Vigesimal 9jchd6i
36 Base36 akd0ka

Cryptographic Hash Functions

md5 cc712925b9960ff1a975878d6633a669
sha1 0ca607e39b4b6d0fa6a3c7d9af7cc1f6243d42b7
sha256 ff0d58ffc62da779c634aba88784942d5d0fc5ce2dd8f7098c90cce4f082b32c
sha512 411c89ad41713a6bdfafb0fea4dc9529e5339a02543b11b957991b71cc5e6c573b8ca848c469f4daeac21f5fce6e765bef69551f9c793269cb849304c11463ee
ripemd-160 302af1954d9c4b005b4bd9c837b1a70c20da6e22

638861338 as geometric shapes

Circle

Radius = n
Diameter 1277722676
Circumference 4014084172.2467
Area 1.2822215925631E+18

Sphere

Radius = n
Volume 1.0922157363164E+27
Surface area 5.1288863702523E+18
Circumference 4014084172.2467

Square

Length = n
Perimeter 2555445352
Area 408143809191150244
Diagonal 903486368.67542

Cube

Length = n
Surface area 2448862855146901464
Volume 2.6074730003627E+26
Space diagonal 1106540296.4074

Equilateral Triangle

Length = n
Perimeter 1916584014
Area 1.7673145357844E+17
Altitude 553270148.20372

Triangular Pyramid

Length = n
Surface area 1.7673145357844E+17
Volume 3.0729364005289E+25
Height 301162122.89181