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

20121961 (number)

20121961 is an odd 8-digits composite number following 20121960 and preceding 20121962. In scientific notation, it is written as 2.0121961 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20033092 positive integers (up to 20121961) that are relatively prime to 20121961.

Interesting facts

20121961 has 4 divisors, whose sum is 20210832
The reverse of 20121961 is 16912102
Previous prime number is 227

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million one hundred twenty-one thousand nine hundred sixty-one

Notation

Scientific notation	2.0121961 × 10^7
Engineering notation	2.0121961 × 10^6

Prime Factorization of 20121961

Prime Factorization 227 × 88643

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121961	Product of the distinct prime numbers

The prime factorization of 20121961 is 227 × 88643. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 6, 61, 89, 469, 972, 7779, 6102, 92220, 46329, 370367, 135510, 1838744, 9166469, 25875883, 36939406, 21863008, 893183622, 824829066, 3212795864

Basic calculations (n = 20121961)

Multiplication

n×y

n×2	40243922
n×3	60365883
n×4	80487844
n×5	100609805

Division

n÷y

n÷2	10060980.5
n÷3	6707320.3333333
n÷3	5030490.25
n÷5	4024392.2

Exponentiation

n^y

n²	404893314485521
n³	8.1472474832384E+21
n⁴	1.6393859611507E+29
n⁵	3.2987660374222E+36

Nth Root

^y√n

²√n	4485.7508847461
³√n	271.99239904509
⁴√n	66.975748482164
⁵√n	28.889103217845

Divisors of 20121961

1, 227, 88643, 20121961

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	-20121960	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 20121961 can be divided by 4 positive divisors. The sum of these divisors (counting 20121961) is 1, the average is 0.25.

Base conversion 20121961

Base	System	Value
2	Binary	1001100110000100101101001
3	Ternary	1101212022010211
4	Quaternary	1030300211221
5	Quinary	20122400321
6	Senary	1555141121
8	Octal	114604551
10	Decimal	20121961
12	Duodecimal	68a47a1
16	Hexadecimal	1330969
20	Vigesimal	65f4i1
36	Base36	bza7d

Cryptographic Hash Functions

md5	82d9e8b002af728308a4848d024625a9
sha1	7c660354631803f8fafabf14dba8445259599b0f
sha256	2f45f989dd622ebd5e871bb5498389639470bc86a4fbf3f79689416236d16ffd
sha512	5e08e263898ad21d7f8bc8ffab3a4ee1b2e352de0bc5278b93fb0590eb86a67b569833c5de2a18e470bccf4ed47b1708d31348f5be020116362e05617dff8780
ripemd-160	50bdce0b8f326c610f1f24fa2410193900dbd861

20121961 as geometric shapes

Circle

Radius = n

Diameter	40243922
Circumference	126430009.70684
Area	1.2720098622753E+15

Sphere

Radius = n

Volume	3.412711045376E+22
Surface area	5.0880394491013E+15
Circumference	126430009.70684

Square

Length = n

Perimeter	80487844
Area	404893314485521
Diagonal	28456750.147742

Cube

Length = n

Surface area	2429359886913126
Volume	8.1472474832384E+21
Space diagonal	34852258.799919

Equilateral Triangle

Length = n

Perimeter	60365883
Area	1.7532394808347E+14
Altitude	17426129.39996

Triangular Pyramid

Length = n

Surface area	1.7532394808347E+14
Volume	9.6016232390048E+20
Height	9485583.3825808