638862816 (number)

638862816 is an even 9-digits composite number following 638862815 and preceding 638862817. In scientific notation, it is written as 6.38862816 × 10^8. The sum of its digits is 48. It has a total of 7 prime factors and 24 positive divisors. There are 212954240 positive integers (up to 638862816) that are relatively prime to 638862816.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred sixty-two thousand eight hundred sixteen

Notation

Scientific notation 6.38862816 × 10^8
Engineering notation 6.38862816 × 10^6

Prime Factorization of 638862816

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 6654821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 39928926
Product of the distinct prime numbers

The prime factorization of 638862816 is 2 × 2 × 2 × 2 × 2 × 3 × 6654821. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638862816)

Multiplication

n×y
n×2 1277725632
n×3 1916588448
n×4 2555451264
n×5 3194314080

Division

n÷y
n÷2 319431408
n÷3 212954272
n÷3 159715704
n÷5 127772563.2

Exponentiation

ny
n2 408145697667449856
n3 2.6074910975011E+26
n4 1.6658291052445E+35
n5 1.0642362731513E+44

Nth Root

y√n
2√n 25275.735716295
3√n 861.26315910023
4√n 158.98344478686
5√n 57.687473954471

Divisors of 638862816

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638862815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638862816 can be divided by 24 positive divisors. The sum of these divisors (counting 638862816) is 1, the average is 0.041666666666667.

Base conversion 638862816

Base System Value
2 Binary 100110000101000100010111100000
3 Ternary 1122112010121000210
4 Quaternary 212011010113200
5 Quinary 2302022102231
6 Senary 143221014120
8 Octal 4605042740
10 Decimal 638862816
12 Duodecimal 159b54340
16 Hexadecimal 261445e0
20 Vigesimal 9jchh0g
36 Base36 akd1pc

Cryptographic Hash Functions

md5 15f603d22f02fedc33332e9f8ded54ce
sha1 e8b66bcfdde3e3dfc740f72a449c7406ba3e004c
sha256 c619aeea6ae5e1fc18285f9a4e9d53f3b05bcd7f8e699c973f0e1a7055fd2333
sha512 64280e70a6571f20e1ed14a55d6361611bc188fe7f6b20e6d454a43bea3d99a674fb55dcaa226b238dfbd4adbc13efee06697ee58a7d9dacacf7b30d29b8a643
ripemd-160 8af7c1e64b28830fd257d10b4ba37308af3760e6

638862816 as geometric shapes

Circle

Radius = n
Diameter 1277725632
Circumference 4014093458.7946
Area 1.2822275253863E+18

Sphere

Radius = n
Volume 1.092223316828E+27
Surface area 5.1289101015454E+18
Circumference 4014093458.7946

Square

Length = n
Perimeter 2555451264
Area 408145697667449856
Diagonal 903488458.88307

Cube

Length = n
Surface area 2448874186004699136
Volume 2.6074910975011E+26
Space diagonal 1106542856.3785

Equilateral Triangle

Length = n
Perimeter 1916588448
Area 1.7673227131267E+17
Altitude 553271428.18926

Triangular Pyramid

Length = n
Surface area 1.7673227131267E+17
Volume 3.072957728211E+25
Height 301162819.62769