20215745 (number)

20215745 is an odd 8-digits composite number following 20215744 and preceding 20215746. In scientific notation, it is written as 2.0215745 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 14702320 positive integers (up to 20215745) that are relatively prime to 20215745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0215745 × 10^7
Engineering notation 2.0215745 × 10^6

Prime Factorization of 20215745

Prime Factorization 55 × 367559

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20215745
Product of the distinct prime numbers

The prime factorization of 20215745 is 55 × 367559. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20215745)

Multiplication

n×y
n×2 40431490
n×3 60647235
n×4 80862980
n×5 101078725

Division

n÷y
n÷2 10107872.5
n÷3 6738581.6666667
n÷3 5053936.25
n÷5 4043149

Exponentiation

ny
n2 408676345905025
n3 8.2616967963478E+21
n4 1.6701635570228E+29
n5 3.3763600577067E+36

Nth Root

y√n
2√n 4496.1922779169
3√n 272.41430967254
4√n 67.053652233991
5√n 28.915982294791

Divisors of 20215745

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 -20215744
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 20215745 can be divided by 4 positive divisors. The sum of these divisors (counting 20215745) is 1, the average is 0.25.

Base conversion 20215745

Base System Value
2 Binary 1001101000111011111000001
3 Ternary 1102001001210022
4 Quaternary 1031013133001
5 Quinary 20133400440
6 Senary 2001143225
8 Octal 115073701
10 Decimal 20215745
12 Duodecimal 692ab15
16 Hexadecimal 13477c1
20 Vigesimal 666j75
36 Base36 c1akh

Cryptographic Hash Functions

md5 08a15e75e62f210f6621f9698c3b8d65
sha1 3bc71665098df1d559a24f7a272c62aa1bde8840
sha256 858d28ab73391e91b55d9aa9c9dc04eaff7a1a57da1206aeb1d0609f57bda8ff
sha512 314cc5ea2802c5efed08ea533f161676268769b11f80cb413486233da9aa6fcd810cedb2f5793c0bd83d4ed2f270744e5a9ad0a190e91f75823f7457d4002153
ripemd-160 dbd53aecd118f26d240b5383a41fbb92b319b647

20215745 as geometric shapes

Circle

Radius = n
Diameter 40431490
Circumference 127019271.95769
Area 1.2838946059911E+15

Sphere

Radius = n
Volume 3.4606514615457E+22
Surface area 5.1355784239646E+15
Circumference 127019271.95769

Square

Length = n
Perimeter 80862980
Area 408676345905025
Diagonal 28589380.752476

Cube

Length = n
Surface area 2452058075430150
Volume 8.2616967963478E+21
Space diagonal 35014697.452856

Equilateral Triangle

Length = n
Perimeter 60647235
Area 1.7696204873977E+14
Altitude 17507348.726428

Triangular Pyramid

Length = n
Surface area 1.7696204873977E+14
Volume 9.7365030480078E+20
Height 9529793.5841587