Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20201221 (number)

20201221 is an odd 8-digits composite number following 20201220 and preceding 20201222. In scientific notation, it is written as 2.0201221 × 10^7. The sum of its digits is 10. It has a total of 2 prime factors and 4 positive divisors. There are 20191212 positive integers (up to 20201221) that are relatively prime to 20201221.

Interesting facts

20201221 has 4 divisors, whose sum is 20211232
The reverse of 20201221 is 12210202
Previous prime number is 2803

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 10
Digital Root 1

Name

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

Notation

Scientific notation	2.0201221 × 10^7
Engineering notation	2.0201221 × 10^6

Prime Factorization of 20201221

Prime Factorization 2803 × 7207

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20201221	Product of the distinct prime numbers

The prime factorization of 20201221 is 2803 × 7207. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 32, 57, 215, 216, 2324, 7847, 11096, 59313, 61229, 357020, 4792839, 7305324, 32382627, 16744072, 268143352, 222708824, 3286205451, 8736359269

Basic calculations (n = 20201221)

Multiplication

n×y

n×2	40402442
n×3	60603663
n×4	80804884
n×5	101006105

Division

n÷y

n÷2	10100610.5
n÷3	6733740.3333333
n÷3	5050305.25
n÷5	4040244.2

Exponentiation

n^y

n²	408089329890841
n³	8.2439027408668E+21
n⁴	1.6653690117076E+29
n⁵	3.3642487452056E+36

Nth Root

^y√n

²√n	4494.5768432634
³√n	272.34905536476
⁴√n	67.041605315382
⁵√n	28.911826163305

Divisors of 20201221

1, 2803, 7207, 20201221

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	-20201220	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 20201221 can be divided by 4 positive divisors. The sum of these divisors (counting 20201221) is 1, the average is 0.25.

Base conversion 20201221

Base	System	Value
2	Binary	1001101000011111100000101
3	Ternary	1102000022212101
4	Quaternary	1031003330011
5	Quinary	20132414341
6	Senary	2000552101
8	Octal	115037405
10	Decimal	20201221
12	Duodecimal	6922631
16	Hexadecimal	1343f05
20	Vigesimal	665311
36	Base36	c0zd1

Cryptographic Hash Functions

md5	505d048761ba3b0ac484307c7e4d7b83
sha1	b0d517b0bf73bd87c6149464373b0e18f888e6c1
sha256	caa1fe686daafa6ad22e27b658639beeeb1a31deecc17fba9b189b037aa81d00
sha512	7147f84a8a2141cc5d00323561d5fbdb4921e8823efffbd726b6ee2ace340eda3f17deb4e7b83071e8e62bc6a58972409ea9c6ad6499fa9eda109fbfdc567607
ripemd-160	bb2d36eada1d52921b42e7e4d30f0099f0876893

20201221 as geometric shapes

Circle

Radius = n

Diameter	40402442
Circumference	126928014.97429
Area	1.2820504407934E+15

Sphere

Radius = n

Volume	3.4531979050154E+22
Surface area	5.1282017631738E+15
Circumference	126928014.97429

Square

Length = n

Perimeter	80804884
Area	408089329890841
Diagonal	28568840.714696

Cube

Length = n

Surface area	2448535979345046
Volume	8.2439027408668E+21
Space diagonal	34989541.146927

Equilateral Triangle

Length = n

Perimeter	60603663
Area	1.7670786334942E+14
Altitude	17494770.573464

Triangular Pyramid

Length = n

Surface area	1.7670786334942E+14
Volume	9.7155325525155E+20
Height	9522946.9048987