20502145 is an odd 8-digits composite number following 20502144
and preceding 20502146 . In scientific notation, it is written as 2.0502145 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 16385520 positive integers (up to 20502145) that are relatively prime to 20502145.
20502145 has 8 divisors, whose sum is 24626880
The reverse of 20502145 is 54120502
Previous prime number is 2039
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million five hundred two thousand one hundred forty-five
Scientific notation
2.0502145 × 10^7
Engineering notation
2.0502145 × 10^6
Prime Factorization
5 × 2039 × 2011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20502145
Product of the distinct prime numbers
The prime factorization of 20502145 is 5 × 2039 × 2011.
Since it has a total of 3 prime factors.
1 , 6 , 5 , 67 , 312 , 673 , 1682 , 8157 , 14453 , 41407 , 296206 , 788370 , 440381 , 1344996 , 7990436 , 61705422 , 381426650 , 210520675 , 1061911182 , 4644834804
n×2
41004290
n×3
61506435
n×4
82008580
n×5
102510725
n÷2
10251072.5
n÷3
6834048.3333333
n÷3
5125536.25
n÷5
4100429
n2
420337949601025
n3
8.6178295917229E+21
n4
1.7668399187479E+29
n5
3.6224008205958E+36
2 √n
4527.9294384961
3 √n
273.6947290122
4 √n
67.289891057247
5 √n
28.997453464337
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
-20502144
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 20502145 can be divided by 8 positive divisors.
The sum of these divisors (counting 20502145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001101011010000001
3
Ternary
1102120121122201
4
Quaternary
1032031122001
5
Quinary
20222032040
6
Senary
2011233201
8
Octal
116153201
10
Decimal
20502145
12
Duodecimal
6a48801
16
Hexadecimal
138d681
20
Vigesimal
682f75
36
Base36
c7fk1
md5
2e03cc35ce6290fc67848a4eb1176258
sha1
3a21daa8fed25790a77574899d821327c4dd4baa
sha256
b973e204ce1947f957e09425a743bd0091e3cadd16e95e0764f7c05fe8025fc0
sha512
da11641b77b19cb520b95a348242d3db26ce81b2873290bc6bac1024d6a18fcb2b628b880555a0a4282260a57af9021466397eb4a6db4394a2500a3f2534d51e
ripemd-160
5b0a81aed501fcdc11fc7411a4ddc5024024cbcb
Diameter
41004290
Circumference
128818776.22967
Area
1.3205306144916E+15
Volume
3.6098280180327E+22
Surface area
5.2821224579663E+15
Circumference
128818776.22967
Perimeter
82008580
Area
420337949601025
Diagonal
28994411.51674
Surface area
2522027697606150
Volume
8.6178295917229E+21
Space diagonal
35510756.804144
Perimeter
61506435
Area
1.8201167126458E+14
Altitude
17755378.402072
Surface area
1.8201167126458E+14
Volume
1.0156209572362E+21
Height
9664803.8389132