20130245 is an odd 8-digits composite number following 20130244
and preceding 20130246 . In scientific notation, it is written as 2.0130245 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 16032960 positive integers (up to 20130245) that are relatively prime to 20130245.
20130245 has 8 divisors, whose sum is 24263160
The reverse of 20130245 is 54203102
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred thirty thousand two hundred forty-five
Scientific notation
2.0130245 × 10^7
Engineering notation
2.0130245 × 10^6
Prime Factorization
5 × 229 × 17581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20130245
Product of the distinct prime numbers
The prime factorization of 20130245 is 5 × 229 × 17581.
Since it has a total of 3 prime factors.
1 , 10 , 16 , 72 , 153 , 925 , 9547 , 1776 , 38986 , 71852 , 263462 , 123355 , 7720653 , 6119282 , 24294648 , 39338280 , 495611796 , 701018029 , 6081582572 , 505327606
n×2
40260490
n×3
60390735
n×4
80520980
n×5
100651225
n÷2
10065122.5
n÷3
6710081.6666667
n÷3
5032561.25
n÷5
4026049
n2
405226763760025
n3
8.1573140350464E+21
n4
1.6420873006742E+29
n5
3.3055619673961E+36
2 √n
4486.6741579928
3 √n
272.0297193954
4 √n
66.982640721255
5 √n
28.891481494306
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
-20130244
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 20130245 can be divided by 8 positive divisors.
The sum of these divisors (counting 20130245) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010100111000101
3
Ternary
1101212201111122
4
Quaternary
1030302213011
5
Quinary
20123131440
6
Senary
1555243325
8
Octal
114624705
10
Decimal
20130245
12
Duodecimal
68a9545
16
Hexadecimal
13329c5
20
Vigesimal
65g5c5
36
Base36
bzglh
md5
8fc0a508e99b783276043ed6709eccf7
sha1
fb5349ca510147486b2ef8bc51c885cab8fbac5c
sha256
03f88ec2d316432966be4266e6d8cc2edd9be3320193eb3ab020502678f718b2
sha512
b018ba4ca8d3e6b6bfaac8094a040f7c8bded9049ae1889eae89cae3d0e41b792495e0d64da3ecc0ed9f25c87456cdd947e448a1d3de0d8e25a688d0b57d29f0
ripemd-160
6e9e2d83d5f79acd18638557ebe41874f34e0773
Diameter
40260490
Circumference
126482059.61393
Area
1.2730574240665E+15
Volume
3.4169277127369E+22
Surface area
5.0922296962658E+15
Circumference
126482059.61393
Perimeter
80520980
Area
405226763760025
Diagonal
28468465.492893
Surface area
2431360582560150
Volume
8.1573140350464E+21
Space diagonal
34866607.108809
Perimeter
60390735
Area
1.7546833585477E+14
Altitude
17433303.554405
Surface area
1.7546833585477E+14
Volume
9.6134867840825E+20
Height
9489488.4976311