20145288 (number)

20145288 is an even 8-digits composite number following 20145287 and preceding 20145289. In scientific notation, it is written as 2.0145288 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 6498240 positive integers (up to 20145288) that are relatively prime to 20145288.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand two hundred eighty-eight

Notation

Scientific notation 2.0145288 × 10^7
Engineering notation 2.0145288 × 10^6

Prime Factorization of 20145288

Prime Factorization 2 × 2 × 2 × 3 × 31 × 27077

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5036322
Product of the distinct prime numbers

The prime factorization of 20145288 is 2 × 2 × 2 × 3 × 31 × 27077. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145288)

Multiplication

n×y
n×2 40290576
n×3 60435864
n×4 80581152
n×5 100726440

Division

n÷y
n÷2 10072644
n÷3 6715096
n÷3 5036322
n÷5 4029057.6

Exponentiation

ny
n2 405832628602944
n3 8.1756151830033E+21
n4 1.6470012243878E+29
n5 3.3179314001644E+36

Nth Root

y√n
2√n 4488.3502537124
3√n 272.0974636307
4√n 66.995150971637
5√n 28.895798229668

Divisors of 20145288

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145287
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145288 can be divided by 32 positive divisors. The sum of these divisors (counting 20145288) is 1, the average is 0.03125.

Base conversion 20145288

Base System Value
2 Binary 1001100110110010010001000
3 Ternary 1101220111010210
4 Quaternary 1030312102020
5 Quinary 20124122123
6 Senary 1555441120
8 Octal 114662210
10 Decimal 20145288
12 Duodecimal 68b61a0
16 Hexadecimal 1336488
20 Vigesimal 65i348
36 Base36 bzs7c

Cryptographic Hash Functions

md5 d0d291448efc36726344a5f571ca41ed
sha1 fbd689b0a126f7d87699368df621116ad1fcd84f
sha256 6f1a9b1887cd712838f8ffb87502ef01db4431beea25a4f352428e47e8099dd2
sha512 e92bc5b6097e6d80a571f81ffa099068a61bfc7037762088f0d086666cf50a125998e21df4568bdbcb1b919a963ce37c059892d74c6c49c8f5546b8fe19063b4
ripemd-160 d1ab894b8783971dbe29b18cfe339d8690cefac7

20145288 as geometric shapes

Circle

Radius = n
Diameter 40290576
Circumference 126576577.5705
Area 1.274960804606E+15

Sphere

Radius = n
Volume 3.4245936796667E+22
Surface area 5.0998432184242E+15
Circumference 126576577.5705

Square

Length = n
Perimeter 80581152
Area 405832628602944
Diagonal 28489739.507512

Cube

Length = n
Surface area 2434995771617664
Volume 8.1756151830033E+21
Space diagonal 34892662.349108

Equilateral Triangle

Length = n
Perimeter 60435864
Area 1.7573068302738E+14
Altitude 17446331.174554

Triangular Pyramid

Length = n
Surface area 1.7573068302738E+14
Volume 9.6350548937889E+20
Height 9496579.8358373