642056561 is an odd 9-digits composite number following 642056560
and preceding 642056562 . In scientific notation, it is written as 6.42056561 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 601564992 positive integers (up to 642056561) that are relatively prime to 642056561.
642056561 has 12 divisors, whose sum is 685120848
The reverse of 642056561 is 165650246
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
six hundred forty-two million fifty-six thousand five hundred sixty-one
Scientific notation
6.42056561 × 10^8
Engineering notation
6.42056561 × 10^6
Prime Factorization
17 × 17 × 227 × 9787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
37768033
Product of the distinct prime numbers
The prime factorization of 642056561 is 17 × 17 × 227 × 9787.
Since it has a total of 4 prime factors.
3 , 4 , 85 , 18 , 802 , 850 , 1901 , 1154 , 86728 , 12153 , 306014 , 434763 , 1008531 , 6193392 , 99328210 , 23091504 , 85706768 , 744934101 , 3567916603 , 8715416193
n×2
1284113122
n×3
1926169683
n×4
2568226244
n×5
3210282805
n÷2
321028280.5
n÷3
214018853.66667
n÷3
160514140.25
n÷5
128411312.2
n2
412236627523146721
n3
2.6467923138575E+26
n4
1.6993903707166E+35
n5
1.0911047372188E+44
2 √n
25338.835036363
3 √n
862.69595704416
4 √n
159.18176728621
5 √n
57.74503616206
1 , 17 , 227 , 289 , 3859 , 9787 , 65603 , 166379 , 2221649 , 2828443 , 37768033 , 642056561
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642056560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642056561 can be divided by 12 positive divisors.
The sum of these divisors (counting 642056561) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110010001010000000101110001
3
Ternary
1122202010212000122
4
Quaternary
212101100011301
5
Quinary
2303331302221
6
Senary
143413300025
8
Octal
4621200561
10
Decimal
642056561
12
Duodecimal
15b034615
16
Hexadecimal
26450171
20
Vigesimal
a0ch181
36
Base36
am9i0h
md5
646cbfdf41f654799d8cd627c6f5274c
sha1
7506f69ca04b6ef4053ec81c9c25f1c2d94c3a0b
sha256
a950822f2b8f68a633f51d46e32f61fd488629552779bfda2572fc5f726fba15
sha512
d3ffa2823afe5e2ae4477d77f6365416d47294512731054e98125b0d652e9b0a19fcafcb33a5d021722f35c0f016c0a562584b85c8d25bca3caa8d34cddf4d62
ripemd-160
bf9105317c03c039c46825e19b418261011c7b11
Diameter
1284113122
Circumference
4034160350.4535
Area
1.2950795605673E+18
Volume
1.108685771839E+27
Surface area
5.1803182422694E+18
Circumference
4034160350.4535
Perimeter
2568226244
Area
412236627523146721
Diagonal
908005096.37683
Surface area
2473419765138880326
Volume
2.6467923138575E+26
Space diagonal
1112074584.9849
Perimeter
1926169683
Area
1.7850369590273E+17
Altitude
556037292.49247
Surface area
1.7850369590273E+17
Volume
3.1192746558684E+25
Height
302668365.45894