638866496 is an even 9-digits composite number following 638866495
and preceding 638866497 . In scientific notation, it is written as 6.38866496 × 10^8.
The sum of its digits is 56. It has a total of 8 prime factors and 28 positive divisors.
There are 319188480 positive integers (up to 638866496) that are relatively prime to 638866496.
638866496 has 28 divisors, whose sum is 1268722380
The reverse of 638866496 is 694668836
Previous prime number is 5981
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred thirty-eight million eight hundred sixty-six thousand four hundred ninety-six
Scientific notation
6.38866496 × 10^8
Engineering notation
6.38866496 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 5981 × 1669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
19964578
Product of the distinct prime numbers
The prime factorization of 638866496 is 2 × 2 × 2 × 2 × 2 × 2 × 5981 × 1669.
Since it has a total of 8 prime factors.
1 , 7 , 99 , 71 , 704 , 215 , 4837 , 2110 , 67733 , 65897 , 407452 , 233257 , 5867443 , 4787070 , 17431351 , 6511180 , 481458975 , 317886806 , 6387706086 , 3936790734
n×2
1277732992
n×3
1916599488
n×4
2555465984
n×5
3194332480
n÷2
319433248
n÷3
212955498.66667
n÷3
159716624
n÷5
127773299.2
n2
408150399711318016
n3
2.6075361570457E+26
n4
1.6658674878451E+35
n5
1.0642669247599E+44
2 √n
25275.80851328
3 √n
861.2648127898
4 √n
158.98367373186
5 √n
57.687540413
1 , 2 , 4 , 8 , 16 , 32 , 64 , 1669 , 3338 , 5981 , 6676 , 11962 , 13352 , 23924 , 26704 , 47848 , 53408 , 95696 , 106816 , 191392 , 382784 , 9982289 , 19964578 , 39929156 , 79858312 , 159716624 , 319433248 , 638866496
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638866495
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638866496 can be divided by 28 positive divisors.
The sum of these divisors (counting 638866496) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100110000101000101010001000000
3
Ternary
1122112010210002002
4
Quaternary
212011011101000
5
Quinary
2302022211441
6
Senary
143221043132
8
Octal
4605052100
10
Decimal
638866496
12
Duodecimal
159b564a8
16
Hexadecimal
26145440
20
Vigesimal
9jci64g
36
Base36
akd4jk
md5
42bd3cc1f93fed705912ec32c99c3fa7
sha1
93724f86c394288e4bebef35dbe2311731c3e337
sha256
7afee83675f35668961e47f10f388c582e452313df4563907437f89c202ec533
sha512
9fb322d0493d5a4244b9b04976b0af63f5643b55caec8fe38d6139d2e3e9793785bc6cadad19611e174bb0fe6b7f060ca321489a0dfdff40c8a97ddef940493b
ripemd-160
e518de9b563c523be90adede5e17cd30a36f6bb0
Diameter
1277732992
Circumference
4014116580.9165
Area
1.2822422972928E+18
Volume
1.0922421913259E+27
Surface area
5.1289691891713E+18
Circumference
4014116580.9165
Perimeter
2555465984
Area
408150399711318016
Diagonal
903493663.18898
Surface area
2448902398267908096
Volume
2.6075361570457E+26
Space diagonal
1106549230.3255
Perimeter
1916599488
Area
1.7673430735739E+17
Altitude
553274615.16275
Surface area
1.7673430735739E+17
Volume
3.0730108313935E+25
Height
301164554.39633