55142781 is an odd 8-digits composite number following 55142780
and preceding 55142782 . In scientific notation, it is written as 5.5142781 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 34599360 positive integers (up to 55142781) that are relatively prime to 55142781.
55142781 has 8 divisors, whose sum is 77848704
The reverse of 55142781 is 18724155
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
fifty-five million one hundred forty-two thousand seven hundred eighty-one
Scientific notation
5.5142781 × 10^7
Engineering notation
5.5142781 × 10^6
Prime Factorization
3 × 17 × 1081231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
55142781
Product of the distinct prime numbers
The prime factorization of 55142781 is 3 × 17 × 1081231.
Since it has a total of 3 prime factors.
10 , 4 , 91 , 97 , 757 , 614 , 3627 , 7296 , 85169 , 51163 , 607816 , 503615 , 7690892 , 9009523 , 96208245 , 40662679 , 145367627 , 125820699 , 991759292 , 2762269014
n×2
110285562
n×3
165428343
n×4
220571124
n×5
275713905
n÷2
27571390.5
n÷3
18380927
n÷3
13785695.25
n÷5
11028556.2
n2
3040726296413961
n3
1.676741042441E+23
n4
9.2460164097034E+30
n5
5.0985105800268E+38
2 √n
7425.8185407401
3 √n
380.62404617415
4 √n
86.173189222287
5 √n
35.34253794902
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-55142780
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 55142781 can be divided by 8 positive divisors.
The sum of these divisors (counting 55142781) is 1, the average is 0.125.
Base
System
Value
2
Binary
11010010010110100101111101
3
Ternary
10211202112200020
4
Quaternary
3102112211331
5
Quinary
103104032111
6
Senary
5245522353
8
Octal
322264575
10
Decimal
55142781
12
Duodecimal
165733b9
16
Hexadecimal
349697d
20
Vigesimal
h4cgj1
36
Base36
wtwfx
md5
eba003e739f65efb46710cff96391ffb
sha1
a47cc1bb224062a194e275044e0e035843c7c770
sha256
6e5add0068e799fa16fbf9d1f0f19cf5059f851f60f825b8ce76c66bf8c9b7e7
sha512
cb0ff90e7aceca0302896da10065745a2d4f1fb587dd78d1578e6352166339fb30e9275b18dbbe6a547b944173704a50f03c61d78517580d2ba3f833c3ec5e86
ripemd-160
629d2dcaabdd87efb3e71d2910c7dcc81af7b840
Diameter
110285562
Circumference
346472311.37622
Area
9.5527233943914E+15
Volume
7.02351645454E+23
Surface area
3.8210893577566E+16
Circumference
346472311.37622
Perimeter
220571124
Area
3040726296413961
Diagonal
77983668.757169
Surface area
18244357778483766
Volume
1.676741042441E+23
Space diagonal
95510098.362644
Perimeter
165428343
Area
1.3166731093249E+15
Altitude
47755049.181322
Surface area
1.3166731093249E+15
Volume
1.9760582690063E+22
Height
25994556.25239