20005145 is an odd 8-digits composite number following 20005144
and preceding 20005146 . In scientific notation, it is written as 2.0005145 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 16004112 positive integers (up to 20005145) that are relatively prime to 20005145.
20005145 has 4 divisors, whose sum is 24006180
The reverse of 20005145 is 54150002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million five thousand one hundred forty-five
Scientific notation
2.0005145 × 10^7
Engineering notation
2.0005145 × 10^6
Prime Factorization
5 × 4001029
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20005145
Product of the distinct prime numbers
The prime factorization of 20005145 is 5 × 4001029.
Since it has a total of 2 prime factors.
5 , 8 , 89 , 63 , 766 , 696 , 5449 , 1666 , 37046 , 98084 , 561527 , 272044 , 4939282 , 4745535 , 78347829 , 24021844 , 937265510 , 951668795 , 3396323998 , 5375559857
n×2
40010290
n×3
60015435
n×4
80020580
n×5
100025725
n÷2
10002572.5
n÷3
6668381.6666667
n÷3
5001286.25
n÷5
4001029
n2
400205826471025
n3
8.0061755883977E+21
n4
1.6016470354136E+29
n5
3.2041181182268E+36
2 √n
4472.7111464972
3 √n
271.46503579491
4 √n
66.878330918895
5 √n
28.855482503612
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20005144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20005145 can be divided by 4 positive divisors.
The sum of these divisors (counting 20005145) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010100000100011001
3
Ternary
1101122100220022
4
Quaternary
1030110010121
5
Quinary
20110131040
6
Senary
1552440225
8
Octal
114240431
10
Decimal
20005145
12
Duodecimal
6849075
16
Hexadecimal
1314119
20
Vigesimal
650ch5
36
Base36
bws2h
md5
a43abbe1743af5e4567229febbaffb60
sha1
2d69c7729c6272176f04b7a431c329c59ce508a8
sha256
a856b57f26a42a50d5c8b5ae65593eae6a02448690076a0f8a3d8f741e50be2f
sha512
1d8f1945bc74099e65e35c66c267c79468b89a474981e8595d2f2f01783d234743edcfe4839b6bdfdbc1a7b1aa71b83b2ac4c541b5283b23b60b7f557803f6cb
ripemd-160
3ded6c231095bea03a7d2355cbfabfdb2ed6aa50
Diameter
40010290
Circumference
125696033.132
Area
1.2572836843652E+15
Volume
3.353618988248E+22
Surface area
5.0291347374608E+15
Circumference
125696033.132
Perimeter
80020580
Area
400205826471025
Diagonal
28291547.37624
Surface area
2401234958826150
Volume
8.0061755883977E+21
Space diagonal
34649927.552782
Perimeter
60015435
Area
1.7329420623323E+14
Altitude
17324963.776391
Surface area
1.7329420623323E+14
Volume
9.4353684165437E+20
Height
9430515.7920801