20021221 (number)

20021221 is an odd 8-digits composite number following 20021220 and preceding 20021222. In scientific notation, it is written as 2.0021221 × 10^7. The sum of its digits is 10. It has a total of 2 prime factors and 4 positive divisors. There are 18201100 positive integers (up to 20021221) that are relatively prime to 20021221.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0021221 × 10^7
Engineering notation 2.0021221 × 10^6

Prime Factorization of 20021221

Prime Factorization 11 × 1820111

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20021221
Product of the distinct prime numbers

The prime factorization of 20021221 is 11 × 1820111. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 55, 16, 748, 584, 3481, 3921, 88353, 33434, 635157, 98060, 4323077, 9710547, 96893693, 75201182, 934222455, 950527185, 5800952087, 9160313171

Basic calculations (n = 20021221)

Multiplication

n×y
n×2 40042442
n×3 60063663
n×4 80084884
n×5 100106105

Division

n÷y
n÷2 10010610.5
n÷3 6673740.3333333
n÷3 5005305.25
n÷5 4004244.2

Exponentiation

ny
n2 400849290330841
n3 8.0254922294069E+21
n4 1.6068015355874E+29
n5 3.2170128647134E+36

Nth Root

y√n
2√n 4474.5079059043
3√n 271.5377321514
4√n 66.891762616217
5√n 28.860118627969

Divisors of 20021221

1, 11, 1820111, 20021221

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 -20021220
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 20021221 can be divided by 4 positive divisors. The sum of these divisors (counting 20021221) is 1, the average is 0.25.

Base conversion 20021221

Base System Value
2 Binary 1001100010111111111100101
3 Ternary 1101200011221201
4 Quaternary 1030113333211
5 Quinary 20111134341
6 Senary 1553042501
8 Octal 114277745
10 Decimal 20021221
12 Duodecimal 6856431
16 Hexadecimal 1317fe5
20 Vigesimal 652d11
36 Base36 bx4h1

Cryptographic Hash Functions

md5 34b283316b5a34f82f69113081615320
sha1 83968b417122bfe8508d7bc1d7591d242d778c90
sha256 710af0ffe3ef0a49df8d2f246917ecb677de6eea19dcc6efb9c6a7c35c8bd750
sha512 05a935ebf22e5158e9b38c29d9d8bdbc4af79a761dba6006a20b954c9a2ecb98a83e082fc2d130b22b5c09af2f516ea3f36feeb9d85538f5a506c80e96198683
ripemd-160 6e786bf362a143e217c83eb32d177aca6c897a7e

20021221 as geometric shapes

Circle

Radius = n
Diameter 40042442
Circumference 125797041.619
Area 1.2593051857001E+15

Sphere

Radius = n
Volume 3.3617103239129E+22
Surface area 5.0372207428002E+15
Circumference 125797041.619

Square

Length = n
Perimeter 80084884
Area 400849290330841
Diagonal 28314282.273469

Cube

Length = n
Surface area 2405095741985046
Volume 8.0254922294069E+21
Space diagonal 34677772.001565

Equilateral Triangle

Length = n
Perimeter 60063663
Area 1.7357283425774E+14
Altitude 17338886.000782

Triangular Pyramid

Length = n
Surface area 1.7357283425774E+14
Volume 9.4581332962893E+20
Height 9438094.0911563