20090945 is an odd 8-digits composite number following 20090944
and preceding 20090946 . In scientific notation, it is written as 2.0090945 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 13331520 positive integers (up to 20090945) that are relatively prime to 20090945.
20090945 has 8 divisors, whose sum is 21332736
The reverse of 20090945 is 54909002
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million ninety thousand nine hundred forty-five
Scientific notation
2.0090945 × 10^7
Engineering notation
2.0090945 × 10^6
Prime Factorization
35 × 31 × 18517
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20090945
Product of the distinct prime numbers
The prime factorization of 20090945 is 35 × 31 × 18517.
Since it has a total of 3 prime factors.
10 , 3 , 76 , 86 , 952 , 638 , 8541 , 4548 , 65522 , 66466 , 414779 , 436579 , 9147450 , 9132907 , 76843565 , 60962947 , 328502971 , 783809479 , 8270044710 , 6113829405
n×2
40181890
n×3
60272835
n×4
80363780
n×5
100454725
n÷2
10045472.5
n÷3
6696981.6666667
n÷3
5022736.25
n÷5
4018189
n2
403646070993025
n3
8.109631011787E+21
n4
1.6293015062811E+29
n5
3.273420695111E+36
2 √n
4482.2923822526
3 √n
271.85257744351
4 √n
66.94992443799
5 √n
28.880191786301
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
-20090944
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 20090945 can be divided by 8 positive divisors.
The sum of these divisors (counting 20090945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101001000001000001
3
Ternary
1101210201121002
4
Quaternary
1030221001001
5
Quinary
20120402240
6
Senary
1554341345
8
Octal
114510101
10
Decimal
20090945
12
Duodecimal
688a855
16
Hexadecimal
1329041
20
Vigesimal
65b775
36
Base36
bym9t
md5
65beb44c73667441f7cb677bcef27bc2
sha1
b805d9d3d78bc4173813370af7c1bd6d43f1a5a8
sha256
37c53f3b27d6a1aafa3d250facea971dc9b916f50ca2e79c473b93b09d52491a
sha512
69b4447ae38493703377fca445dd420b5e8f5b79c38a7cc2aa6e40838598a7166b4c570796e2be54091a923e3881c30de6930d0f459367e1b0100fe855bf4daa
ripemd-160
9c691df40f35f435dfa29850dbd1a6c75d4ff404
Diameter
40181890
Circumference
126235130.43135
Area
1.2680915312821E+15
Volume
3.3969542946605E+22
Surface area
5.0723661251283E+15
Circumference
126235130.43135
Perimeter
80363780
Area
403646070993025
Diagonal
28412886.899892
Surface area
2421876425958150
Volume
8.109631011787E+21
Space diagonal
34798537.512072
Perimeter
60272835
Area
1.7478387580887E+14
Altitude
17399268.756036
Surface area
1.7478387580887E+14
Volume
9.5572918022588E+20
Height
9470962.299964