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

18018021 (number)

18018021 is an odd 8-digits composite number following 18018020 and preceding 18018022. In scientific notation, it is written as 1.8018021 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 10296000 positive integers (up to 18018021) that are relatively prime to 18018021.

Interesting facts

18018021 has 8 divisors, whose sum is 27456064
The reverse of 18018021 is 12081081
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	eighteen million eighteen thousand twenty-one

Notation

Scientific notation	1.8018021 × 10^7
Engineering notation	1.8018021 × 10^6

Prime Factorization of 18018021

Prime Factorization 7 × 3 × 858001

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18018021	Product of the distinct prime numbers

The prime factorization of 18018021 is 7 × 3 × 858001. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 98, 6, 91, 828, 2091, 3630, 80229, 26984, 294661, 939312, 7437774, 5625509, 33868538, 43819417, 526362687, 254419837, 6228510976, 760707445

Basic calculations (n = 18018021)

Multiplication

n×y

n×2	36036042
n×3	54054063
n×4	72072084
n×5	90090105

Division

n÷y

n÷2	9009010.5
n÷3	6006007
n÷3	4504505.25
n÷5	3603604.2

Exponentiation

n^y

n²	324649080756441
n³	5.8495339547002E+21
n⁴	1.05397025636E+29
n⁵	1.899045821247E+36

Nth Root

^y√n

²√n	4244.7639510343
³√n	262.16157021397
⁴√n	65.151853013051
⁵√n	28.257999802058

Divisors of 18018021

1, 3, 7, 21, 858001, 2574003, 6006007, 18018021

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	-18018020	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 18018021 can be divided by 8 positive divisors. The sum of these divisors (counting 18018021) is 1, the average is 0.125.

Base conversion 18018021

Base	System	Value
2	Binary	1000100101110111011100101
3	Ternary	1020220102002010
4	Quaternary	1010232323211
5	Quinary	14103034041
6	Senary	1442104433
8	Octal	104567345
10	Decimal	18018021
12	Duodecimal	604b119
16	Hexadecimal	112eee5
20	Vigesimal	5cc511
36	Base36	aq6sl

Cryptographic Hash Functions

md5	f79df8a88a8980845834e61d43b03a41
sha1	5af02077db622ae784f6abe6dde270acf3602d0b
sha256	3a5bf8e3e1c908f98dd6fa7dd6a445af7709d63508a96533270645e25ed6867c
sha512	f5e5d88a73e9c96934979c886bc12e8d88c8e9b384b105b8338f7858ecce246bc19f85059063798d6e154eb00234c9e71e1c84be1654141af7fb4eae0121f003
ripemd-160	729c71812ee74b9b1d31fcf7816d73274d852da4

18018021 as geometric shapes

Circle

Radius = n

Diameter	36036042
Circumference	113210564.81165
Area	1.0199151670991E+15

Sphere

Radius = n

Volume	2.4502470532014E+22
Surface area	4.0796606683965E+15
Circumference	113210564.81165

Square

Length = n

Perimeter	72072084
Area	324649080756441
Diagonal	25481329.665323

Cube

Length = n

Surface area	1947894484538646
Volume	5.8495339547002E+21
Space diagonal	31208127.823843

Equilateral Triangle

Length = n

Perimeter	54054063
Area	1.4057717562517E+14
Altitude	15604063.911921

Triangular Pyramid

Length = n

Surface area	1.4057717562517E+14
Volume	6.8937418769159E+20
Height	8493776.5551077