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

12181821 (number)

12181821 is an odd 8-digits composite number following 12181820 and preceding 12181822. In scientific notation, it is written as 1.2181821 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 7965360 positive integers (up to 12181821) that are relatively prime to 12181821.

Interesting facts

12181821 has 8 divisors, whose sum is 16366944
The reverse of 12181821 is 12818121
Previous prime number is 30997

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twelve million one hundred eighty-one thousand eight hundred twenty-one

Notation

Scientific notation	1.2181821 × 10^7
Engineering notation	1.2181821 × 10^6

Prime Factorization of 12181821

Prime Factorization 3 × 30997 × 131

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12181821	Product of the distinct prime numbers

The prime factorization of 12181821 is 3 × 30997 × 131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 2, 77, 20, 541, 995, 2818, 5878, 77079, 16539, 802538, 364482, 5130882, 926361, 52237707, 4892477, 121599012, 3175461, 1630637446, 5963674019

Basic calculations (n = 12181821)

Multiplication

n×y

n×2	24363642
n×3	36545463
n×4	48727284
n×5	60909105

Division

n÷y

n÷2	6090910.5
n÷3	4060607
n÷3	3045455.25
n÷5	2436364.2

Exponentiation

n^y

n²	148396762876041
n³	1.8077428023354E+21
n⁴	2.2021599232088E+28
n⁵	2.6826317997903E+35

Nth Root

^y√n

²√n	3490.2465528957
³√n	230.09335214931
⁴√n	59.078308649585
⁵√n	26.130182486273

Divisors of 12181821

1, 3, 131, 393, 30997, 92991, 4060607, 12181821

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	-12181820	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 12181821 can be divided by 8 positive divisors. The sum of these divisors (counting 12181821) is 1, the average is 0.125.

Base conversion 12181821

Base	System	Value
2	Binary	101110011110000100111101
3	Ternary	211220220022120
4	Quaternary	232132010331
5	Quinary	11104304241
6	Senary	1113033153
8	Octal	56360475
10	Decimal	12181821
12	Duodecimal	40b57b9
16	Hexadecimal	b9e13d
20	Vigesimal	3g2eb1
36	Base36	793jx

Cryptographic Hash Functions

md5	c7c93aee5a0fa61bcb046d2ef66550be
sha1	e2fe7ff069e68917e75056483ba6aedd630f89ef
sha256	2b82e7eb8eb7707923373f9882c9982874c69dd26c33dae3b20d3d3ee8fc9070
sha512	1411d19eca63186d2aca410e6ecddd318416774c13f738dd486c277d63b471d1d6d2ec6a9bdf473cf7dc5efa515f6f12bf49148f69964cf0db54f965804717ac
ripemd-160	7ff7a42cacd30e753801e0a5926a204798efc9e9

12181821 as geometric shapes

Circle

Radius = n

Diameter	24363642
Circumference	76540638.721892
Area	4.6620218006788E+14

Sphere

Radius = n

Volume	7.5722553431955E+21
Surface area	1.8648087202715E+15
Circumference	76540638.721892

Square

Length = n

Perimeter	48727284
Area	148396762876041
Diagonal	17227696.472601

Cube

Length = n

Surface area	890380577256246
Volume	1.8077428023354E+21
Space diagonal	21099532.90071

Equilateral Triangle

Length = n

Perimeter	36545463
Area	64257683245014
Altitude	10549766.450355

Triangular Pyramid

Length = n

Surface area	64257683245014
Volume	2.1304453236209E+20
Height	5742565.4908671