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

20451221 (number)

20451221 is an odd 8-digits composite number following 20451220 and preceding 20451222. In scientific notation, it is written as 2.0451221 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 16 positive divisors. There are 16304640 positive integers (up to 20451221) that are relatively prime to 20451221.

Interesting facts

20451221 has 16 divisors, whose sum is 25038720
The reverse of 20451221 is 12215402
Previous prime number is 89

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

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

Notation

Scientific notation	2.0451221 × 10^7
Engineering notation	2.0451221 × 10^6

Prime Factorization of 20451221

Prime Factorization 7 × 17 × 89 × 1931

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20451221	Product of the distinct prime numbers

The prime factorization of 20451221 is 7 × 17 × 89 × 1931. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 67, 62, 302, 856, 7561, 1696, 48663, 9428, 49717, 832712, 7486176, 4052742, 15409141, 15703990, 591490941, 477440642, 2135716145, 2078493879

Basic calculations (n = 20451221)

Multiplication

n×y

n×2	40902442
n×3	61353663
n×4	81804884
n×5	102256105

Division

n÷y

n÷2	10225610.5
n÷3	6817073.6666667
n÷3	5112805.25
n÷5	4090244.2

Exponentiation

n^y

n²	418252440390841
n³	8.5537730922224E+21
n⁴	1.7493510389289E+29
n⁵	3.5776364703715E+36

Nth Root

^y√n

²√n	4522.3026214529
³√n	273.46793671097
⁴√n	67.248067789736
⁵√n	28.983034137674

Divisors of 20451221

1, 7, 17, 89, 119, 623, 1513, 1931, 10591, 13517, 32827, 171859, 229789, 1203013, 2921603, 20451221

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20451220	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20451221 can be divided by 16 positive divisors. The sum of these divisors (counting 20451221) is 1, the average is 0.0625.

Base conversion 20451221

Base	System	Value
2	Binary	1001110000000111110010101
3	Ternary	1102111000210122
4	Quaternary	1032000332111
5	Quinary	20213414341
6	Senary	2010201325
8	Octal	116007625
10	Decimal	20451221
12	Duodecimal	6a23245
16	Hexadecimal	1380f95
20	Vigesimal	67g811
36	Base36	c6c9h

Cryptographic Hash Functions

md5	f3768b4088c376c93af9a026b7a2cca2
sha1	ce58ecb03a5da0479228070ade15a602965e72bc
sha256	cc7109289f215689c059f63308663231ac1a51c2da3d3be7629fd06049fa5f5e
sha512	62ba685331e1ed3dd00f24d62f51eeaae0872760a2a0a0181203b1d708309563c078c6202c52ee894bf75c81936a42b99631f532e3f12c38932a1bf4dbc304bc
ripemd-160	1ded0a3b2127649d28bf2bd250fe53baef5847bd

20451221 as geometric shapes

Circle

Radius = n

Diameter	40902442
Circumference	128498811.30108
Area	1.3139787940779E+15

Sphere

Radius = n

Volume	3.5829960942667E+22
Surface area	5.2559151763115E+15
Circumference	128498811.30108

Square

Length = n

Perimeter	81804884
Area	418252440390841
Diagonal	28922394.105289

Cube

Length = n

Surface area	2509514642345046
Volume	8.5537730922224E+21
Space diagonal	35422553.84882

Equilateral Triangle

Length = n

Perimeter	61353663
Area	1.8110861928665E+14
Altitude	17711276.92441

Triangular Pyramid

Length = n

Surface area	1.8110861928665E+14
Volume	1.0080718263736E+21
Height	9640798.0350965