20215521 (number)

20215521 is an odd 8-digits composite number following 20215520 and preceding 20215522. In scientific notation, it is written as 2.0215521 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13476996 positive integers (up to 20215521) that are relatively prime to 20215521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0215521 × 10^7
Engineering notation 2.0215521 × 10^6

Prime Factorization of 20215521

Prime Factorization 9 × 3 × 748723

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20215521
Product of the distinct prime numbers

The prime factorization of 20215521 is 9 × 3 × 748723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20215521)

Multiplication

n×y
n×2 40431042
n×3 60646563
n×4 80862084
n×5 101077605

Division

n÷y
n÷2 10107760.5
n÷3 6738507
n÷3 5053880.25
n÷5 4043104.2

Exponentiation

ny
n2 408667289301441
n3 8.2614221688864E+21
n4 1.6700895334499E+29
n5 3.3761730035336E+36

Nth Root

y√n
2√n 4496.1673678812
3√n 272.41330350909
4√n 67.053466486687
5√n 28.91591821396

Divisors of 20215521

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 -20215520
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 20215521 can be divided by 8 positive divisors. The sum of these divisors (counting 20215521) is 1, the average is 0.125.

Base conversion 20215521

Base System Value
2 Binary 1001101000111011011100001
3 Ternary 1102001001111000
4 Quaternary 1031013123201
5 Quinary 20133344041
6 Senary 2001142213
8 Octal 115073341
10 Decimal 20215521
12 Duodecimal 692a969
16 Hexadecimal 13476e1
20 Vigesimal 666ig1
36 Base36 c1ae9

Cryptographic Hash Functions

md5 fb09dd238273fbee7182483228b8066a
sha1 0ec76c539daa7ec3079a0ae572d5d9e289cbb409
sha256 8839eef673cec3aca83489921e181f3703c2eb17b523e56a19df7f160e7e2fed
sha512 4fddcd827ebe27250aa45258f5f1bebf40ce688724f245e42065c807a9f4d6e42dc5f843b5d8e0a56b812be7a359629ba729f033dc7016432daa49f9a98bdbf7
ripemd-160 c23e1a7b5b31d3aaf4dc23d299fa0e75488fb8aa

20215521 as geometric shapes

Circle

Radius = n
Diameter 40431042
Circumference 127017864.52418
Area 1.2838661538319E+15

Sphere

Radius = n
Volume 3.4605364258636E+22
Surface area 5.1354646153274E+15
Circumference 127017864.52418

Square

Length = n
Perimeter 80862084
Area 408667289301441
Diagonal 28589063.968638

Cube

Length = n
Surface area 2452003735808646
Volume 8.2614221688864E+21
Space diagonal 35014309.473476

Equilateral Triangle

Length = n
Perimeter 60646563
Area 1.7695812711539E+14
Altitude 17507154.736738

Triangular Pyramid

Length = n
Surface area 1.7695812711539E+14
Volume 9.7361793964407E+20
Height 9529687.989546