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

18031421 (number)

18031421 is an odd 8-digits prime number following 18031420 and preceding 18031422. In scientific notation, it is written as 1.8031421 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 18031420 positive integers (up to 18031421) that are relatively prime to 18031421.

Interesting facts

18031421 has 2 divisors, whose sum is 18031422
The reverse of 18031421 is 12413081
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	eighteen million thirty-one thousand four hundred twenty-one

Notation

Scientific notation	1.8031421 × 10^7
Engineering notation	1.8031421 × 10^6

Prime Factorization of 18031421

Prime Factorization 18031421

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	18031421	Product of the distinct prime numbers

The prime factorization of 18031421 is 18031421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 7, 11, 1, 570, 621, 667, 7924, 26861, 33562, 79544, 729033, 8515641, 8469246, 61654217, 4529421, 167103427, 9433959, 1617564730, 6077437023

Basic calculations (n = 18031421)

Multiplication

n×y

n×2	36062842
n×3	54094263
n×4	72125684
n×5	90157105

Division

n÷y

n÷2	9015710.5
n÷3	6010473.6666667
n÷3	4507855.25
n÷5	3606284.2

Exponentiation

n^y

n²	325132143279241
n³	5.8625945561003E+21
n⁴	1.0571091059335E+29
n⁵	1.9061179332021E+36

Nth Root

^y√n

²√n	4246.3420728905
³√n	262.22654395215
⁴√n	65.16396299252
⁵√n	28.262201646474

Divisors of 18031421

1, 18031421

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	18031422	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9015711	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4246.3421906389	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998890825	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18031421 can be divided by 2 positive divisors. The sum of these divisors (counting 18031421) is 18031422, the average is 9015711.

Base conversion 18031421

Base	System	Value
2	Binary	1000100110010001100111101
3	Ternary	1020221002110102
4	Quaternary	1010302030331
5	Quinary	14104001141
6	Senary	1442250445
8	Octal	104621475
10	Decimal	18031421
12	Duodecimal	6056a25
16	Hexadecimal	113233d
20	Vigesimal	5cdib1
36	Base36	aqh4t

Cryptographic Hash Functions

md5	688f5ab7dff8509a539cb3df7584694e
sha1	243b85e5c6116459be0b9e3d2a3954ce6dae4331
sha256	1bbdd914ac7d0432469cf1f3b71e4cae58cb99e86cc80f5c64719b5de8524894
sha512	71583c43fdcac17ac6c5bda5ef6e6e726a66133e1c8130271c2d0a3a163bfcda52f072208d48c891382e54c7b6fe9f060ef2984cf17151e4f28a68634ef2bda3
ripemd-160	569be975609b1c29788cfdb50f77db0224770618

18031421 as geometric shapes

Circle

Radius = n

Diameter	36062842
Circumference	113294759.49477
Area	1.021432752772E+15

Sphere

Radius = n

Volume	2.4557178651227E+22
Surface area	4.0857310110879E+15
Circumference	113294759.49477

Square

Length = n

Perimeter	72125684
Area	325132143279241
Diagonal	25500280.127059

Cube

Length = n

Surface area	1950792859675446
Volume	5.8625945561003E+21
Space diagonal	31231337.304664

Equilateral Triangle

Length = n

Perimeter	54094263
Area	1.4078634783335E+14
Altitude	15615668.652332

Triangular Pyramid

Length = n

Surface area	1.4078634783335E+14
Volume	6.9091339432765E+20
Height	8500093.3756863