20130945 is an odd 8-digits composite number following 20130944
and preceding 20130946 . In scientific notation, it is written as 2.0130945 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 10736496 positive integers (up to 20130945) that are relatively prime to 20130945.
20130945 has 4 divisors, whose sum is 21473024
The reverse of 20130945 is 54903102
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred thirty thousand nine hundred forty-five
Scientific notation
2.0130945 × 10^7
Engineering notation
2.0130945 × 10^6
Prime Factorization
15 × 1342063
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20130945
Product of the distinct prime numbers
The prime factorization of 20130945 is 15 × 1342063.
Since it has a total of 2 prime factors.
3 , 1 , 49 , 95 , 382 , 314 , 8905 , 9939 , 21029 , 90374 , 518802 , 136757 , 1229283 , 6051176 , 14119139 , 96117588 , 999376359 , 732036496 , 9087548773 , 9183079073
n×2
40261890
n×3
60392835
n×4
80523780
n×5
100654725
n÷2
10065472.5
n÷3
6710315
n÷3
5032736.25
n÷5
4026189
n2
405254946593025
n3
8.1581650408421E+21
n4
1.6423157173812E+29
n5
3.3061367379236E+36
2 √n
4486.7521660997
3 √n
272.03287250484
4 √n
66.983223019646
5 √n
28.891682423363
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
-20130944
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 20130945 can be divided by 4 positive divisors.
The sum of these divisors (counting 20130945) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010110010000001
3
Ternary
1101212202110120
4
Quaternary
1030302302001
5
Quinary
20123142240
6
Senary
1555250453
8
Octal
114626201
10
Decimal
20130945
12
Duodecimal
68a9a29
16
Hexadecimal
1332c81
20
Vigesimal
65g775
36
Base36
bzh4x
md5
3a135b60bec880c74d8021ce355ca081
sha1
2bf340dd74b11b25a6eb2548e74d6e80ef0791d2
sha256
7d4973581e9da522280e8d5b7aab28b89f3bfae29dc722d23b6f069cdd298312
sha512
f77a54a583107b7dfd81f471d071087247128e319a69985481069a6c1a28440ed08e376f25c4597b533aa59b0ea8863fa3a0bc7709083d6509afea392f7408df
ripemd-160
e1e8b033647468dcc963c4500762a4c2bfecacfb
Diameter
40261890
Circumference
126486457.84364
Area
1.2731459630476E+15
Volume
3.417284181211E+22
Surface area
5.0925838521903E+15
Circumference
126486457.84364
Perimeter
80523780
Area
405254946593025
Diagonal
28469455.442387
Surface area
2431529679558150
Volume
8.1581650408421E+21
Space diagonal
34867819.544375
Perimeter
60392835
Area
1.7548053937943E+14
Altitude
17433909.772187
Surface area
1.7548053937943E+14
Volume
9.6144897040308E+20
Height
9489818.4807956