20442945 (number)

20442945 is an odd 8-digits composite number following 20442944 and preceding 20442946. In scientific notation, it is written as 2.0442945 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 10902896 positive integers (up to 20442945) that are relatively prime to 20442945.

Interesting facts

Basic properties

Name

Name twenty million four hundred forty-two thousand nine hundred forty-five

Notation

Scientific notation 2.0442945 × 10^7
Engineering notation 2.0442945 × 10^6

Prime Factorization of 20442945

Prime Factorization 15 × 1362863

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20442945
Product of the distinct prime numbers

The prime factorization of 20442945 is 15 × 1362863. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20442945)

Multiplication

n×y
n×2 40885890
n×3 61328835
n×4 81771780
n×5 102214725

Division

n÷y
n÷2 10221472.5
n÷3 6814315
n÷3 5110736.25
n÷5 4088589

Exponentiation

ny
n2 417914000273025
n3 8.5433929223114E+21
n4 1.746521116242E+29
n5 3.5704035120674E+36

Nth Root

y√n
2√n 4521.3875082766
3√n 273.43104362442
4√n 67.241263434565
5√n 28.980688043754

Divisors of 20442945

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 -20442944
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 20442945 can be divided by 4 positive divisors. The sum of these divisors (counting 20442945) is 1, the average is 0.25.

Base conversion 20442945

Base System Value
2 Binary 1001101111110111101000001
3 Ternary 1102110121110010
4 Quaternary 1031332331001
5 Quinary 20213133240
6 Senary 2010055133
8 Octal 115767501
10 Decimal 20442945
12 Duodecimal 6a1a4a9
16 Hexadecimal 137ef41
20 Vigesimal 67f775
36 Base36 c65vl

Cryptographic Hash Functions

md5 724e3822d41560a102a612777dbcf72c
sha1 3698c38ed7daa531f81d56633ea0e214dddd3475
sha256 359f2d90d8a9d99839bc2cdb54392d0cec0bc5834db1ddc0be3aba9e5e8b5299
sha512 8b4a0085afe1a04c24360f939bf48dd87a7f1c973d004b0b283b09680488ec8ef951020d7b83148ad1e0d3a08646b373797e024c43731e5dc5aed41dba4ea962
ripemd-160 c6592853a2422be5f9376b31141fea97d091d35c

20442945 as geometric shapes

Circle

Radius = n
Diameter 40885890
Circumference 128446811.65948
Area 1.3129155530901E+15

Sphere

Radius = n
Volume 3.578648058862E+22
Surface area 5.2516622123602E+15
Circumference 128446811.65948

Square

Length = n
Perimeter 81771780
Area 417914000273025
Diagonal 28910690.073847

Cube

Length = n
Surface area 2507484001638150
Volume 8.5433929223114E+21
Space diagonal 35408219.396336

Equilateral Triangle

Length = n
Perimeter 61328835
Area 1.8096207041681E+14
Altitude 17704109.698168

Triangular Pyramid

Length = n
Surface area 1.8096207041681E+14
Volume 1.0068485116179E+21
Height 9636896.6912824