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

18182221 (number)

18182221 is an odd 8-digits composite number following 18182220 and preceding 18182222. In scientific notation, it is written as 1.8182221 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 17181360 positive integers (up to 18182221) that are relatively prime to 18182221.

Interesting facts

18182221 has 8 divisors, whose sum is 19188000
The reverse of 18182221 is 12228181
Previous prime number is 491

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	eighteen million one hundred eighty-two thousand two hundred twenty-one

Notation

Scientific notation	1.8182221 × 10^7
Engineering notation	1.8182221 × 10^6

Prime Factorization of 18182221

Prime Factorization 19 × 491 × 1949

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18182221	Product of the distinct prime numbers

The prime factorization of 18182221 is 19 × 491 × 1949. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 31, 90, 236, 481, 1458, 9146, 39280, 53065, 875625, 431096, 1757361, 4327405, 21991228, 75005641, 706393020, 388235164, 3559910510, 9166660794

Basic calculations (n = 18182221)

Multiplication

n×y

n×2	36364442
n×3	54546663
n×4	72728884
n×5	90911105

Division

n÷y

n÷2	9091110.5
n÷3	6060740.3333333
n÷3	4545555.25
n÷5	3636444.2

Exponentiation

n^y

n²	330593160492841
n³	6.0109179051693E+21
n⁴	1.0929183776465E+29
n⁵	1.9871683477329E+36

Nth Root

^y√n

²√n	4264.0615614693
³√n	262.95553133085
⁴√n	65.299782246722
⁵√n	28.309316666277

Divisors of 18182221

1, 19, 491, 1949, 9329, 37031, 956959, 18182221

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	-18182220	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 18182221 can be divided by 8 positive divisors. The sum of these divisors (counting 18182221) is 1, the average is 0.125.

Base conversion 18182221

Base	System	Value
2	Binary	1000101010111000001001101
3	Ternary	1021012202022121
4	Quaternary	1011113001031
5	Quinary	14123312341
6	Senary	1445412541
8	Octal	105270115
10	Decimal	18182221
12	Duodecimal	610a151
16	Hexadecimal	115704d
20	Vigesimal	5dcfb1
36	Base36	atphp

Cryptographic Hash Functions

md5	c03473a623bd8c8d263379ca00b4da89
sha1	071185eef194bb18341c612437a13ca8b4af612a
sha256	b41005b65516ce14591501f521208c2da60b94951c7817116b989ae4088b3c21
sha512	eaac76949e78223d77d72c91480b3147c80e1466879e06101edfe73e22291f617c3f4895aca78d69aacd51218650edb930508bcc98a81cbc5b6a1619fe765528
ripemd-160	f27af5dddca8767d13c40f3c7c63d085679e08b6

18182221 as geometric shapes

Circle

Radius = n

Diameter	36364442
Circumference	114242263.83909
Area	1.0385890443313E+15

Sphere

Radius = n

Volume	2.5178474042948E+22
Surface area	4.1543561773254E+15
Circumference	114242263.83909

Square

Length = n

Perimeter	72728884
Area	330593160492841
Diagonal	25713543.532265

Cube

Length = n

Surface area	1983558962957046
Volume	6.0109179051693E+21
Space diagonal	31492530.566446

Equilateral Triangle

Length = n

Perimeter	54546663
Area	1.4315103765209E+14
Altitude	15746265.283223

Triangular Pyramid

Length = n

Surface area	1.4315103765209E+14
Volume	7.0839346865014E+20
Height	8571181.1774216