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

20121445 (number)

20121445 is an odd 8-digits composite number following 20121444 and preceding 20121446. In scientific notation, it is written as 2.0121445 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 16097152 positive integers (up to 20121445) that are relatively prime to 20121445.

Interesting facts

20121445 has 4 divisors, whose sum is 24145740
The reverse of 20121445 is 54412102
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	twenty million one hundred twenty-one thousand four hundred forty-five

Notation

Scientific notation	2.0121445 × 10^7
Engineering notation	2.0121445 × 10^6

Prime Factorization of 20121445

Prime Factorization 5 × 4024289

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121445	Product of the distinct prime numbers

The prime factorization of 20121445 is 5 × 4024289. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 2, 63, 55, 55, 156, 2282, 4504, 20711, 36592, 189481, 361402, 5649277, 9379576, 34426859, 31925794, 481653637, 444130893, 1400976031, 5188619441

Basic calculations (n = 20121445)

Multiplication

n×y

n×2	40242890
n×3	60364335
n×4	80485780
n×5	100607225

Division

n÷y

n÷2	10060722.5
n÷3	6707148.3333333
n÷3	5030361.25
n÷5	4024289

Exponentiation

n^y

n²	404872548888025
n³	8.1466207244602E+21
n⁴	1.6392178084309E+29
n⁵	3.2983430975362E+36

Nth Root

^y√n

²√n	4485.693368923
³√n	271.99007406829
⁴√n	66.975319102808
⁵√n	28.888955052065

Divisors of 20121445

1, 5, 4024289, 20121445

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	-20121444	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 20121445 can be divided by 4 positive divisors. The sum of these divisors (counting 20121445) is 1, the average is 0.25.

Base conversion 20121445

Base	System	Value
2	Binary	1001100110000011101100101
3	Ternary	1101212021102201
4	Quaternary	1030300131211
5	Quinary	20122341240
6	Senary	1555134501
8	Octal	114603545
10	Decimal	20121445
12	Duodecimal	68a4431
16	Hexadecimal	1330765
20	Vigesimal	65f3c5
36	Base36	bz9t1

Cryptographic Hash Functions

md5	aed56678e4fd060e8654e35e1b5da6ad
sha1	1690d67f382c11dd4f0910f046276eb7a04313ed
sha256	83c311fbd9845dcb4df6bf90141933b482a34c780478c6427389c05c24b64653
sha512	517cec14df3800eb0bf8907765bffdff037ad1e70c648a62c3eb47d92642319b02540c08ce1967627d36537315aca90aa964032ca49ba1b47894a8e59054ab74
ripemd-160	6fe3910418d4668361d667f40bddd962d39cf634

20121445 as geometric shapes

Circle

Radius = n

Diameter	40242890
Circumference	126426767.58322
Area	1.2719446252268E+15

Sphere

Radius = n

Volume	3.4124485092729E+22
Surface area	5.0877785009072E+15
Circumference	126426767.58322

Square

Length = n

Perimeter	80485780
Area	404872548888025
Diagonal	28456020.413544

Cube

Length = n

Surface area	2429235293328150
Volume	8.1466207244602E+21
Space diagonal	34851365.061703

Equilateral Triangle

Length = n

Perimeter	60364335
Area	1.7531495631599E+14
Altitude	17425682.530851

Triangular Pyramid

Length = n

Surface area	1.7531495631599E+14
Volume	9.6008845967011E+20
Height	9485340.1378481