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

20121205 (number)

20121205 is an odd 8-digits composite number following 20121204 and preceding 20121206. In scientific notation, it is written as 2.0121205 × 10^7. The sum of its digits is 13. It has a total of 5 prime factors and 32 positive divisors. There are 13837824 positive integers (up to 20121205) that are relatively prime to 20121205.

Interesting facts

20121205 has 32 divisors, whose sum is 27853056
The reverse of 20121205 is 50212102
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4

Name

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

Notation

Scientific notation	2.0121205 × 10^7
Engineering notation	2.0121205 × 10^6

Prime Factorization of 20121205

Prime Factorization 43 × 13 × 5 × 23 × 313

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	20121205	Product of the distinct prime numbers

The prime factorization of 20121205 is 43 × 13 × 5 × 23 × 313. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 99, 41, 541, 764, 977, 6846, 16, 60798, 198849, 623974, 1269074, 7694756, 49532590, 36866579, 692363381, 417629945, 8335274973, 5476703720

Basic calculations (n = 20121205)

Multiplication

n×y

n×2	40242410
n×3	60363615
n×4	80484820
n×5	100606025

Division

n÷y

n÷2	10060602.5
n÷3	6707068.3333333
n÷3	5030301.25
n÷5	4024241

Exponentiation

n^y

n²	404862890652025
n³	8.146329219702E+21
n⁴	1.6391396022711E+29
n⁵	3.2981463960916E+36

Nth Root

^y√n

²√n	4485.6666171262
³√n	271.98899267019
⁴√n	66.975119388667
⁵√n	28.888886136714

Divisors of 20121205

1, 5, 13, 23, 43, 65, 115, 215, 299, 313, 559, 989, 1495, 1565, 2795, 4069, 4945, 7199, 12857, 13459, 20345, 35995, 64285, 67295, 93587, 174967, 309557, 467935, 874835, 1547785, 4024241, 20121205

32 divisors

τ	Total Divisors	32	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20121204	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.03125	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	32	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121205 can be divided by 32 positive divisors. The sum of these divisors (counting 20121205) is 1, the average is 0.03125.

Base conversion 20121205

Base	System	Value
2	Binary	1001100110000011001110101
3	Ternary	1101212021002211
4	Quaternary	1030300121311
5	Quinary	20122334310
6	Senary	1555133421
8	Octal	114603165
10	Decimal	20121205
12	Duodecimal	68a4271
16	Hexadecimal	1330675
20	Vigesimal	65f305
36	Base36	bz9md

Cryptographic Hash Functions

md5	88d60d0e3b55ae5f4bd2a6d2a2564383
sha1	5decb4f4cec4e57caabfb34510e7ac23ce964199
sha256	a4c404cbae587b0b500f39edb6bcd0a62398f38a547da8b4bc30d70ce5ba349a
sha512	a3b6c5e8414123533ab7e8105d6d50a6c6a83ee41e812fe1986975bf31b25378b61021632960424360181e0642618991df8c299e46128dec18ccead6e4cb59e2
ripemd-160	1af42821254734353644d9f515b69d43ae798015

20121205 as geometric shapes

Circle

Radius = n

Diameter	40242410
Circumference	126425259.61875
Area	1.2719142829835E+15

Sphere

Radius = n

Volume	3.4123264040453E+22
Surface area	5.0876571319341E+15
Circumference	126425259.61875

Square

Length = n

Perimeter	80484820
Area	404862890652025
Diagonal	28455681.002289

Cube

Length = n

Surface area	2429177343912150
Volume	8.146329219702E+21
Space diagonal	34850949.369509

Equilateral Triangle

Length = n

Perimeter	60363615
Area	1.7531077417713E+14
Altitude	17425474.684754

Triangular Pyramid

Length = n

Surface area	1.7531077417713E+14
Volume	9.600541055049E+20
Height	9485227.0007631