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

20121309 (number)

20121309 is an odd 8-digits composite number following 20121308 and preceding 20121310. In scientific notation, it is written as 2.0121309 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 12381408 positive integers (up to 20121309) that are relatively prime to 20121309.

Interesting facts

20121309 has 12 divisors, whose sum is 24210900
The reverse of 20121309 is 90312102
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

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

Notation

Scientific notation	2.0121309 × 10^7
Engineering notation	2.0121309 × 10^6

Prime Factorization of 20121309

Prime Factorization 9 × 13 × 13 × 13229

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	1547793	Product of the distinct prime numbers

The prime factorization of 20121309 is 9 × 13 × 13 × 13229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 44, 65, 548, 904, 5637, 2880, 23198, 2540, 827454, 743778, 6461553, 894613, 4215199, 70909004, 901119851, 699470235, 6589277691, 5344243027

Basic calculations (n = 20121309)

Multiplication

n×y

n×2	40242618
n×3	60363927
n×4	80485236
n×5	100606545

Division

n÷y

n÷2	10060654.5
n÷3	6707103
n÷3	5030327.25
n÷5	4024261.8

Exponentiation

n^y

n²	404867075873481
n³	8.1464555375768E+21
n⁴	1.6391734912634E+29
n⁵	3.298231632232E+36

Nth Root

^y√n

²√n	4485.6782095911
³√n	271.98946127709
⁴√n	66.975205931681
⁵√n	28.888916000113

Divisors of 20121309

1, 9, 13, 117, 169, 1521, 13229, 119061, 171977, 1547793, 2235701, 20121309

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20121308	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121309 can be divided by 12 positive divisors. The sum of these divisors (counting 20121309) is 1, the average is 0.083333333333333.

Base conversion 20121309

Base	System	Value
2	Binary	1001100110000011011011101
3	Ternary	1101212021020200
4	Quaternary	1030300123131
5	Quinary	20122340214
6	Senary	1555134113
8	Octal	114603335
10	Decimal	20121309
12	Duodecimal	68a4339
16	Hexadecimal	13306dd
20	Vigesimal	65f359
36	Base36	bz9p9

Cryptographic Hash Functions

md5	6d3aaa562c075556c0e190cd8e269f59
sha1	284701b94acf09ca341f4a509537cdd954c28d43
sha256	8da869e6a81ccc61e3f27ee891efb768821272a32d523ad95a7fce301981e994
sha512	82dd8ce6f671130a6317fa016b398c8be956f24e8f39a186cb401a205646546797c1f1398cbb708f2f9e28b97128902f44e8f53a2a77f23c76447e95c7313f97
ripemd-160	7e92c20b2358fdce58356a00757994a908cd635b

20121309 as geometric shapes

Circle

Radius = n

Diameter	40242618
Circumference	126425913.07002
Area	1.2719274312445E+15

Sphere

Radius = n

Volume	3.4123793159529E+22
Surface area	5.087709724978E+15
Circumference	126425913.07002

Square

Length = n

Perimeter	80485236
Area	404867075873481
Diagonal	28455828.0805

Cube

Length = n

Surface area	2429202455240886
Volume	8.1464555375768E+21
Space diagonal	34851129.502793

Equilateral Triangle

Length = n

Perimeter	60363927
Area	1.7531258643118E+14
Altitude	17425564.751396

Triangular Pyramid

Length = n

Surface area	1.7531258643118E+14
Volume	9.600689922092E+20
Height	9485276.0268333