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

20121605 (number)

20121605 is an odd 8-digits composite number following 20121604 and preceding 20121606. In scientific notation, it is written as 2.0121605 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 13797504 positive integers (up to 20121605) that are relatively prime to 20121605.

Interesting facts

20121605 has 8 divisors, whose sum is 24639000
The reverse of 20121605 is 50612102
Previous prime number is 49

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

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

Notation

Scientific notation	2.0121605 × 10^7
Engineering notation	2.0121605 × 10^6

Prime Factorization of 20121605

Prime Factorization 5 × 49 × 82129

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121605	Product of the distinct prime numbers

The prime factorization of 20121605 is 5 × 49 × 82129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 8, 51, 33, 213, 69, 8058, 409, 78602, 35842, 191640, 410166, 544998, 9955576, 4345100, 9241270, 753083303, 450780808, 7619535532, 7844169649

Basic calculations (n = 20121605)

Multiplication

n×y

n×2	40243210
n×3	60364815
n×4	80486420
n×5	100608025

Division

n÷y

n÷2	10060802.5
n÷3	6707201.6666667
n÷3	5030401.25
n÷5	4024321

Exponentiation

n^y

n²	404878987776025
n³	8.146815064829E+21
n⁴	1.6392699474254E+29
n⁵	3.2984742370464E+36

Nth Root

^y√n

²√n	4485.7112033656
³√n	271.99079499558
⁴√n	66.975452244577
⁵√n	28.889000995268

Divisors of 20121605

1, 5, 49, 245, 82129, 410645, 4024321, 20121605

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20121604	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121605 can be divided by 8 positive divisors. The sum of these divisors (counting 20121605) is 1, the average is 0.125.

Base conversion 20121605

Base	System	Value
2	Binary	1001100110000100000000101
3	Ternary	1101212021122122
4	Quaternary	1030300200011
5	Quinary	20122342410
6	Senary	1555135325
8	Octal	114604005
10	Decimal	20121605
12	Duodecimal	68a4545
16	Hexadecimal	1330805
20	Vigesimal	65f405
36	Base36	bz9xh

Cryptographic Hash Functions

md5	dd8ab7b614ee6e969ecf1e7071e463cb
sha1	0582d1a15369e49b414b5ab1cba0eecd8ba5785d
sha256	ff2c056cc5feab3ca0c5fa3f9e4c2aca14f8658701e677ce3959a4f1d8866241
sha512	caf3abeedd6ab70dad174e4de64ad23e09e8b8f6103a150888d613087e712510da92b76263475143050a7c4bcff09dbb12d71b922434c75cef8eb727e4e9d89d
ripemd-160	beca155a1f077a19698b41f2b8488adf1933f552

20121605 as geometric shapes

Circle

Radius = n

Diameter	40243210
Circumference	126427772.89287
Area	1.27196485359E+15

Sphere

Radius = n

Volume	3.4125299143762E+22
Surface area	5.0878594143601E+15
Circumference	126427772.89287

Square

Length = n

Perimeter	80486420
Area	404878987776025
Diagonal	28456246.687714

Cube

Length = n

Surface area	2429273926656150
Volume	8.146815064829E+21
Space diagonal	34851642.189832

Equilateral Triangle

Length = n

Perimeter	60364815
Area	1.7531774443628E+14
Altitude	17425821.094916

Triangular Pyramid

Length = n

Surface area	1.7531774443628E+14
Volume	9.6011136290222E+20
Height	9485415.5625714