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

20121655 (number)

20121655 is an odd 8-digits composite number following 20121654 and preceding 20121656. In scientific notation, it is written as 2.0121655 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 15824256 positive integers (up to 20121655) that are relatively prime to 20121655.

Interesting facts

20121655 has 4 divisors, whose sum is 20190160
The reverse of 20121655 is 55612102
Previous prime number is 295

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 six hundred fifty-five

Notation

Scientific notation	2.0121655 × 10^7
Engineering notation	2.0121655 × 10^6

Prime Factorization of 20121655

Prime Factorization 295 × 68209

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121655	Product of the distinct prime numbers

The prime factorization of 20121655 is 295 × 68209. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 28, 95, 697, 269, 2009, 4994, 2334, 36819, 865749, 495313, 599463, 8950107, 28021540, 38133564, 583027418, 175312435, 647762851, 307160278

Basic calculations (n = 20121655)

Multiplication

n×y

n×2	40243310
n×3	60364965
n×4	80486620
n×5	100608275

Division

n÷y

n÷2	10060827.5
n÷3	6707218.3333333
n÷3	5030413.75
n÷5	4024331

Exponentiation

n^y

n²	404880999939025
n³	8.1468757968281E+21
n⁴	1.6392862411162E+29
n⁵	3.2985152189988E+36

Nth Root

^y√n

²√n	4485.7167766144
³√n	271.99102028458
⁴√n	66.975493851217
⁵√n	28.889015352459

Divisors of 20121655

1, 295, 68209, 20121655

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	-20121654	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 20121655 can be divided by 4 positive divisors. The sum of these divisors (counting 20121655) is 1, the average is 0.25.

Base conversion 20121655

Base	System	Value
2	Binary	1001100110000100000110111
3	Ternary	1101212021201111
4	Quaternary	1030300200313
5	Quinary	20122343110
6	Senary	1555135451
8	Octal	114604067
10	Decimal	20121655
12	Duodecimal	68a4587
16	Hexadecimal	1330837
20	Vigesimal	65f42f
36	Base36	bz9yv

Cryptographic Hash Functions

md5	e1514048352b2bb0f1cbc518b6a58f92
sha1	d18e000710491d2252b7eada70f77d658fc3b895
sha256	6208195be9b109e703d1fddd76274a6dc2bd99dbd455928d5b53ba464f2bb904
sha512	64e66ac6a2e667e87939c8eeb59628f8f79a0ae9321585b227a17aff65f9d415f8fa27b83dd902dd11b17984d4b9fa4604b1a1601a8ddffc50872f5561dfae01
ripemd-160	7dba425e896793ba68cbf5d66b196f176b6a9f18

20121655 as geometric shapes

Circle

Radius = n

Diameter	40243310
Circumference	126428087.05214
Area	1.2719711749865E+15

Sphere

Radius = n

Volume	3.4125553537365E+22
Surface area	5.0878846999461E+15
Circumference	126428087.05214

Square

Length = n

Perimeter	80486620
Area	404880999939025
Diagonal	28456317.398392

Cube

Length = n

Surface area	2429285999634150
Volume	8.1468757968281E+21
Space diagonal	34851728.792372

Equilateral Triangle

Length = n

Perimeter	60364965
Area	1.7531861572842E+14
Altitude	17425864.396186

Triangular Pyramid

Length = n

Surface area	1.7531861572842E+14
Volume	9.6011852023695E+20
Height	9485439.1327975