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.
638862816 has 24 divisors, whose sum is 1677015144
The reverse of 638862816 is 618268836
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred thirty-eight million eight hundred sixty-two thousand eight hundred sixteen
Scientific notation
6.38862816 × 10^8
Engineering notation
6.38862816 × 10^6
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.
3 , 6 , 57 , 24 , 729 , 219 , 3113 , 2741 , 3901 , 266 , 433525 , 259519 , 5225326 , 4381814 , 14351432 , 69580899 , 273771593 , 419459911 , 4665263792 , 567005543
n×2
1277725632
n×3
1916588448
n×4
2555451264
n×5
3194314080
n÷2
319431408
n÷3
212954272
n÷3
159715704
n÷5
127772563.2
n2
408145697667449856
n3
2.6074910975011E+26
n4
1.6658291052445E+35
n5
1.0642362731513E+44
2 √n
25275.735716295
3 √n
861.26315910023
4 √n
158.98344478686
5 √n
57.687473954471
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 6654821 , 13309642 , 19964463 , 26619284 , 39928926 , 53238568 , 79857852 , 106477136 , 159715704 , 212954272 , 319431408 , 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
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
md5
15f603d22f02fedc33332e9f8ded54ce
sha1
e8b66bcfdde3e3dfc740f72a449c7406ba3e004c
sha256
c619aeea6ae5e1fc18285f9a4e9d53f3b05bcd7f8e699c973f0e1a7055fd2333
sha512
64280e70a6571f20e1ed14a55d6361611bc188fe7f6b20e6d454a43bea3d99a674fb55dcaa226b238dfbd4adbc13efee06697ee58a7d9dacacf7b30d29b8a643
ripemd-160
8af7c1e64b28830fd257d10b4ba37308af3760e6
Diameter
1277725632
Circumference
4014093458.7946
Area
1.2822275253863E+18
Volume
1.092223316828E+27
Surface area
5.1289101015454E+18
Circumference
4014093458.7946
Perimeter
2555451264
Area
408145697667449856
Diagonal
903488458.88307
Surface area
2448874186004699136
Volume
2.6074910975011E+26
Space diagonal
1106542856.3785
Perimeter
1916588448
Area
1.7673227131267E+17
Altitude
553271428.18926
Surface area
1.7673227131267E+17
Volume
3.072957728211E+25
Height
301162819.62769