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

20121261 (number)

20121261 is an odd 8-digits composite number following 20121260 and preceding 20121262. In scientific notation, it is written as 2.0121261 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 13414172 positive integers (up to 20121261) that are relatively prime to 20121261.

Interesting facts

20121261 has 4 divisors, whose sum is 26828352
The reverse of 20121261 is 16212102
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6

Name

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

Notation

Scientific notation	2.0121261 × 10^7
Engineering notation	2.0121261 × 10^6

Prime Factorization of 20121261

Prime Factorization 3 × 6707087

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121261	Product of the distinct prime numbers

The prime factorization of 20121261 is 3 × 6707087. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 63, 43, 967, 185, 1270, 3182, 70017, 18856, 935680, 124750, 1723858, 398582, 7951793, 51413177, 21572683, 237615557, 5706152785, 8700933725

Basic calculations (n = 20121261)

Multiplication

n×y

n×2	40242522
n×3	60363783
n×4	80485044
n×5	100606305

Division

n÷y

n÷2	10060630.5
n÷3	6707087
n÷3	5030315.25
n÷5	4024252.2

Exponentiation

n^y

n²	404865144230121
n³	8.1463972368569E+21
n⁴	1.6391578501248E+29
n⁵	3.2981922922559E+36

Nth Root

^y√n

²√n	4485.6728592264
³√n	271.98924499718
⁴√n	66.975165988793
⁵√n	28.888902217021

Divisors of 20121261

1, 3, 6707087, 20121261

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	-20121260	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 20121261 can be divided by 4 positive divisors. The sum of these divisors (counting 20121261) is 1, the average is 0.25.

Base conversion 20121261

Base	System	Value
2	Binary	1001100110000011010101101
3	Ternary	1101212021011220
4	Quaternary	1030300122231
5	Quinary	20122340021
6	Senary	1555133553
8	Octal	114603255
10	Decimal	20121261
12	Duodecimal	68a42b9
16	Hexadecimal	13306ad
20	Vigesimal	65f331
36	Base36	bz9nx

Cryptographic Hash Functions

md5	6cf1e76dad77800ccfd2f4948217f937
sha1	0edb3564567d2d3331c5510373e0d897f9169ff0
sha256	eead7e56330c8a5b2437689f807e717d1ac1cf4c26fd755316f5617c59b68182
sha512	160f647b9eebdf38ea986d66291c7628fb64e4688c8c120977c5d7841c155fdc2ac3dc992a47ee63909ebb02fa2977cbbcb1b4d05c28ad4c29ce6dad8746d075
ripemd-160	54ad40b24b7d4d4d053063f8ee595f6d02d69242

20121261 as geometric shapes

Circle

Radius = n

Diameter	40242522
Circumference	126425611.47713
Area	1.2719213628079E+15

Sphere

Radius = n

Volume	3.4123548950045E+22
Surface area	5.0876854512317E+15
Circumference	126425611.47713

Square

Length = n

Perimeter	80485044
Area	404865144230121
Diagonal	28455760.198249

Cube

Length = n

Surface area	2429190865380726
Volume	8.1463972368569E+21
Space diagonal	34851046.364354

Equilateral Triangle

Length = n

Perimeter	60363783
Area	1.7531175000507E+14
Altitude	17425523.182177

Triangular Pyramid

Length = n

Surface area	1.7531175000507E+14
Volume	9.6006212140348E+20
Height	9485253.3994163