20542485 (number)

20542485 is an odd 8-digits composite number following 20542484 and preceding 20542486. In scientific notation, it is written as 2.0542485 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 10955984 positive integers (up to 20542485) that are relatively prime to 20542485.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0542485 × 10^7
Engineering notation 2.0542485 × 10^6

Prime Factorization of 20542485

Prime Factorization 15 × 1369499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20542485
Product of the distinct prime numbers

The prime factorization of 20542485 is 15 × 1369499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20542485)

Multiplication

n×y
n×2 41084970
n×3 61627455
n×4 82169940
n×5 102712425

Division

n÷y
n÷2 10271242.5
n÷3 6847495
n÷3 5135621.25
n÷5 4108497

Exponentiation

ny
n2 421993689975225
n3 8.6687990464107E+21
n4 1.7807867437891E+29
n5 3.6581784972486E+36

Nth Root

y√n
2√n 4532.3818241627
3√n 273.87411856639
4√n 67.322966543095
5√n 29.008855566048

Divisors of 20542485

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 -20542484
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 20542485 can be divided by 4 positive divisors. The sum of these divisors (counting 20542485) is 1, the average is 0.25.

Base conversion 20542485

Base System Value
2 Binary 1001110010111010000010101
3 Ternary 1102122122222210
4 Quaternary 1032113100111
5 Quinary 20224324420
6 Senary 2012144033
8 Octal 116272025
10 Decimal 20542485
12 Duodecimal 6a68019
16 Hexadecimal 1397415
20 Vigesimal 687g45
36 Base36 c8aol

Cryptographic Hash Functions

md5 410b5a2aae2fc1949caad44cfe20c83e
sha1 5c5e2653af861cabf305cf212bb38490046c442f
sha256 5a8976977210cfd57aa00db7adb66a4cf7c9ef0e9d9e553834696faa66006933
sha512 24eac303429b905a8905bab8ad4a9b3e9dfa9203ec784d6aad8e18f3f05db920c0d438fd85e697640f8eb07f82aa350505db51cfeeb7221b68ff7f70c1019020
ripemd-160 5bb6721b886cdd3879994aead1bd2528e64eaa5d

20542485 as geometric shapes

Circle

Radius = n
Diameter 41084970
Circumference 129072239.92496
Area 1.3257322762874E+15

Sphere

Radius = n
Volume 3.6311780532867E+22
Surface area 5.3029291051497E+15
Circumference 129072239.92496

Square

Length = n
Perimeter 82169940
Area 421993689975225
Diagonal 29051460.891846

Cube

Length = n
Surface area 2531962139851350
Volume 8.6687990464107E+21
Space diagonal 35580627.733722

Equilateral Triangle

Length = n
Perimeter 61627455
Area 1.8272862787764E+14
Altitude 17790313.866861

Triangular Pyramid

Length = n
Surface area 1.8272862787764E+14
Volume 1.0216277650767E+21
Height 9683820.297282