20201645 (number)

20201645 is an odd 8-digits composite number following 20201644 and preceding 20201646. In scientific notation, it is written as 2.0201645 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 16134160 positive integers (up to 20201645) that are relatively prime to 20201645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0201645 × 10^7
Engineering notation 2.0201645 × 10^6

Prime Factorization of 20201645

Prime Factorization 5 × 659 × 6131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20201645
Product of the distinct prime numbers

The prime factorization of 20201645 is 5 × 659 × 6131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20201645)

Multiplication

n×y
n×2 40403290
n×3 60604935
n×4 80806580
n×5 101008225

Division

n÷y
n÷2 10100822.5
n÷3 6733881.6666667
n÷3 5050411.25
n÷5 4040329

Exponentiation

ny
n2 408106460706025
n3 8.2444218413896E+21
n4 1.6655088327E+29
n5 3.3646018182569E+36

Nth Root

y√n
2√n 4494.6240109713
3√n 272.3509607808
4√n 67.041957093833
5√n 28.911947527369

Divisors of 20201645

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 -20201644
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 20201645 can be divided by 8 positive divisors. The sum of these divisors (counting 20201645) is 1, the average is 0.125.

Base conversion 20201645

Base System Value
2 Binary 1001101000100000010101101
3 Ternary 1102000100110002
4 Quaternary 1031010002231
5 Quinary 20132423040
6 Senary 2000554045
8 Octal 115040255
10 Decimal 20201645
12 Duodecimal 6922925
16 Hexadecimal 13440ad
20 Vigesimal 665425
36 Base36 c0zot

Cryptographic Hash Functions

md5 8f1df031064086744d25733b3c73464e
sha1 cdac0f226469a5d35e603b62aa7f28997c9e1c08
sha256 fa0ae2f60abe6531a72a750fe06b038be81ffcf06ae0506d0a287969fbe2b9f5
sha512 e579995bec3896ec49757a9b8f0e63a76e8b989f1059f656b47b919c22d51eb441e2a3cd7ce12a6eea9507ad3274453ec4f90ca035078544722cf7406fbc060f
ripemd-160 f27501a52f5aca7ca066f664a9724626a0adcea5

20201645 as geometric shapes

Circle

Radius = n
Diameter 40403290
Circumference 126930679.04486
Area 1.2821042588366E+15

Sphere

Radius = n
Volume 3.453415345334E+22
Surface area 5.1284170353463E+15
Circumference 126930679.04486

Square

Length = n
Perimeter 80806580
Area 408106460706025
Diagonal 28569440.341247

Cube

Length = n
Surface area 2448638764236150
Volume 8.2444218413896E+21
Space diagonal 34990275.53647

Equilateral Triangle

Length = n
Perimeter 60604935
Area 1.7671528120999E+14
Altitude 17495137.768235

Triangular Pyramid

Length = n
Surface area 1.7671528120999E+14
Volume 9.7161443183484E+20
Height 9523146.7804155