20145215 (number)

20145215 is an odd 8-digits composite number following 20145214 and preceding 20145216. In scientific notation, it is written as 2.0145215 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 16060000 positive integers (up to 20145215) that are relatively prime to 20145215.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand two hundred fifteen

Notation

Scientific notation 2.0145215 × 10^7
Engineering notation 2.0145215 × 10^6

Prime Factorization of 20145215

Prime Factorization 5 × 293 × 13751

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145215
Product of the distinct prime numbers

The prime factorization of 20145215 is 5 × 293 × 13751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145215)

Multiplication

n×y
n×2 40290430
n×3 60435645
n×4 80580860
n×5 100726075

Division

n÷y
n÷2 10072607.5
n÷3 6715071.6666667
n÷3 5036303.75
n÷5 4029043

Exponentiation

ny
n2 405829687396225
n3 8.1755263059797E+21
n4 1.6469773517212E+29
n5 3.3178712850554E+36

Nth Root

y√n
2√n 4488.3421215411
3√n 272.09713496593
4√n 66.995090279371
5√n 28.895777287835

Divisors of 20145215

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 -20145214
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 20145215 can be divided by 8 positive divisors. The sum of these divisors (counting 20145215) is 1, the average is 0.125.

Base conversion 20145215

Base System Value
2 Binary 1001100110110010000111111
3 Ternary 1101220111001002
4 Quaternary 1030312100333
5 Quinary 20124121330
6 Senary 1555440515
8 Octal 114662077
10 Decimal 20145215
12 Duodecimal 68b613b
16 Hexadecimal 133643f
20 Vigesimal 65i30f
36 Base36 bzs5b

Cryptographic Hash Functions

md5 1734483f9a85fabac002e52e79c14af0
sha1 59599815a33a9b81e6b184ca5bacca78b3b880b5
sha256 e17f407d0fa6ffebd40b5da0182f5d8141ca15d416ebe9fdf27a7a12c87e2721
sha512 db3222144a3d5af136b49fec38b0e5fb5f1fedb9fc4bab0dead84b32b1caf753e693a2ce15c9b941b8628aa446f52e6e41da26a6b5a41af22de1b876cb878040
ripemd-160 7f8d174ab014086f5a002ac1dd4f39f8ed3dcdeb

20145215 as geometric shapes

Circle

Radius = n
Diameter 40290430
Circumference 126576118.89797
Area 1.2749515645326E+15

Sphere

Radius = n
Volume 3.4245564509461E+22
Surface area 5.0998062581305E+15
Circumference 126576118.89797

Square

Length = n
Perimeter 80580860
Area 405829687396225
Diagonal 28489636.269922

Cube

Length = n
Surface area 2434978124377350
Volume 8.1755263059797E+21
Space diagonal 34892535.909399

Equilateral Triangle

Length = n
Perimeter 60435645
Area 1.7572940944751E+14
Altitude 17446267.954699

Triangular Pyramid

Length = n
Surface area 1.7572940944751E+14
Volume 9.6349501512121E+20
Height 9496545.4233073