642788780 is an even 9-digits composite number following 642788779
and preceding 642788781 . In scientific notation, it is written as 6.42788780 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 256549248 positive integers (up to 642788780) that are relatively prime to 642788780.
642788780 has 24 divisors, whose sum is 1352829408
The reverse of 642788780 is 087887246
Previous prime number is 457
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred forty-two million seven hundred eighty-eight thousand seven hundred eighty
Scientific notation
6.42788780 × 10^8
Engineering notation
6.42788780 × 10^6
Prime Factorization
2 × 2 × 5 × 457 × 70327
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
321394390
Product of the distinct prime numbers
The prime factorization of 642788780 is 2 × 2 × 5 × 457 × 70327.
Since it has a total of 5 prime factors.
1 , 9 , 39 , 67 , 110 , 200 , 444 , 9053 , 57753 , 91810 , 386676 , 291712 , 9425342 , 6870523 , 54859107 , 58694511 , 357999917 , 291783044 , 9765368303 , 5131228211
n×2
1285577560
n×3
1928366340
n×4
2571155120
n×5
3213943900
n÷2
321394390
n÷3
214262926.66667
n÷3
160697195
n÷5
128557756
n2
413177415693888400
n3
2.6558580695743E+26
n4
1.7071557683948E+35
n5
1.0973405736365E+44
2 √n
25353.279472289
3 √n
863.02377987266
4 √n
159.22713170904
5 √n
57.758200964216
1 , 2 , 4 , 5 , 10 , 20 , 457 , 914 , 1828 , 2285 , 4570 , 9140 , 70327 , 140654 , 281308 , 351635 , 703270 , 1406540 , 32139439 , 64278878 , 128557756 , 160697195 , 321394390 , 642788780
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
-642788779
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 642788780 can be divided by 24 positive divisors.
The sum of these divisors (counting 642788780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110010100000010110110101100
3
Ternary
1122210112001102212
4
Quaternary
212110002312230
5
Quinary
2304023220110
6
Senary
143441105552
8
Octal
4624026654
10
Decimal
642788780
12
Duodecimal
15b3282b8
16
Hexadecimal
26502dac
20
Vigesimal
a0h8bj0
36
Base36
amp6zw
md5
4aa10c379b961ed910cfaa4ce000516f
sha1
6d1d1a52b27473713ed07257f79457c807bba291
sha256
65dbefc53701db4892593f311a449c48a2e551c91b38a7143876f87b805b2165
sha512
c0eb3460f7c91e4b401c97edae1ae41c9ef5714ef6bf5a877436f485fea7a407a1a22eb8a6e776845208737c8862e503f10ad596510becb9b9ea50b423ff244d
ripemd-160
cf5773e06037d94b66bb02a81f2598ce3b0b00e0
Diameter
1285577560
Circumference
4038761018.1159
Area
1.2980351337731E+18
Volume
1.1124832267136E+27
Surface area
5.1921405350925E+18
Circumference
4038761018.1159
Perimeter
2571155120
Area
413177415693888400
Diagonal
909040610.41726
Surface area
2479064494163330400
Volume
2.6558580695743E+26
Space diagonal
1113342825.4952
Perimeter
1928366340
Area
1.7891106913046E+17
Altitude
556671412.74761
Surface area
1.7891106913046E+17
Volume
3.1299587514416E+25
Height
303013536.80575