20090945 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million ninety thousand nine hundred forty-five

Notation

Scientific notation 2.0090945 × 10^7
Engineering notation 2.0090945 × 10^6

Prime Factorization of 20090945

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.

Most popular turbo-numbers

Basic calculations (n = 20090945)

Multiplication

n×y
n×2 40181890
n×3 60272835
n×4 80363780
n×5 100454725

Division

n÷y
n÷2 10045472.5
n÷3 6696981.6666667
n÷3 5022736.25
n÷5 4018189

Exponentiation

ny
n2 403646070993025
n3 8.109631011787E+21
n4 1.6293015062811E+29
n5 3.273420695111E+36

Nth Root

y√n
2√n 4482.2923822526
3√n 271.85257744351
4√n 66.94992443799
5√n 28.880191786301

Divisors of 20090945

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 conversion 20090945

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

Cryptographic Hash Functions

md5 65beb44c73667441f7cb677bcef27bc2
sha1 b805d9d3d78bc4173813370af7c1bd6d43f1a5a8
sha256 37c53f3b27d6a1aafa3d250facea971dc9b916f50ca2e79c473b93b09d52491a
sha512 69b4447ae38493703377fca445dd420b5e8f5b79c38a7cc2aa6e40838598a7166b4c570796e2be54091a923e3881c30de6930d0f459367e1b0100fe855bf4daa
ripemd-160 9c691df40f35f435dfa29850dbd1a6c75d4ff404

20090945 as geometric shapes

Circle

Radius = n
Diameter 40181890
Circumference 126235130.43135
Area 1.2680915312821E+15

Sphere

Radius = n
Volume 3.3969542946605E+22
Surface area 5.0723661251283E+15
Circumference 126235130.43135

Square

Length = n
Perimeter 80363780
Area 403646070993025
Diagonal 28412886.899892

Cube

Length = n
Surface area 2421876425958150
Volume 8.109631011787E+21
Space diagonal 34798537.512072

Equilateral Triangle

Length = n
Perimeter 60272835
Area 1.7478387580887E+14
Altitude 17399268.756036

Triangular Pyramid

Length = n
Surface area 1.7478387580887E+14
Volume 9.5572918022588E+20
Height 9470962.299964