20402505 (number)

20402505 is an odd 8-digits composite number following 20402504 and preceding 20402506. In scientific notation, it is written as 2.0402505 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 10612800 positive integers (up to 20402505) that are relatively prime to 20402505.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand five hundred five

Notation

Scientific notation 2.0402505 × 10^7
Engineering notation 2.0402505 × 10^6

Prime Factorization of 20402505

Prime Factorization 15 × 3 × 67 × 67 × 101

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 304515
Product of the distinct prime numbers

The prime factorization of 20402505 is 15 × 3 × 67 × 67 × 101. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402505)

Multiplication

n×y
n×2 40805010
n×3 61207515
n×4 81610020
n×5 102012525

Division

n÷y
n÷2 10201252.5
n÷3 6800835
n÷3 5100626.25
n÷5 4080501

Exponentiation

ny
n2 416262210275025
n3 8.4927918264472E+21
n4 1.7327422770305E+29
n5 3.5352282970826E+36

Nth Root

y√n
2√n 4516.9132159031
3√n 273.25062521708
4√n 67.207984762996
5√n 28.969213107194

Divisors of 20402505

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20402504
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20402505 can be divided by 24 positive divisors. The sum of these divisors (counting 20402505) is 1, the average is 0.041666666666667.

Base conversion 20402505

Base System Value
2 Binary 1001101110101000101001001
3 Ternary 1102101112222100
4 Quaternary 1031311011021
5 Quinary 20210340010
6 Senary 2005144013
8 Octal 115650511
10 Decimal 20402505
12 Duodecimal 69bb009
16 Hexadecimal 1375149
20 Vigesimal 67a655
36 Base36 c5ao9

Cryptographic Hash Functions

md5 cbdd2a724466d6ad8966f6ad94cb5065
sha1 23f7f8a722dc02f87044c5ac235a5f295a96df17
sha256 cbbb502c8fab079a6389d0fb1c72092792c2df6acbaa76cf48e2edc05e28a97b
sha512 a79c6833c63d3d8bcc50d4d054977ff9fe6ee7925ddd7cbd17dd26165dd7d6ff13fcecb4ed4d26c0ca61eadafe81c5d9b10d362b7399419c55ee853d9705fdbe
ripemd-160 20e6970f9a4c61544e7ad91b572103cdba4287b8

20402505 as geometric shapes

Circle

Radius = n
Diameter 40805010
Circumference 128192719.64566
Area 1.3077263017671E+15

Sphere

Radius = n
Volume 3.5574523213912E+22
Surface area 5.2309052070683E+15
Circumference 128192719.64566

Square

Length = n
Perimeter 81610020
Area 416262210275025
Diagonal 28853499.277385

Cube

Length = n
Surface area 2497573261650150
Volume 8.4927918264472E+21
Space diagonal 35338175.261678

Equilateral Triangle

Length = n
Perimeter 61207515
Area 1.8024682436682E+14
Altitude 17669087.630839

Triangular Pyramid

Length = n
Surface area 1.8024682436682E+14
Volume 1.0008851152811E+21
Height 9617833.0924616