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

18121531 (number)

18121531 is an odd 8-digits prime number following 18121530 and preceding 18121532. In scientific notation, it is written as 1.8121531 × 10^7. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 18121530 positive integers (up to 18121531) that are relatively prime to 18121531.

Interesting facts

18121531 has 2 divisors, whose sum is 18121532
The reverse of 18121531 is 13512181
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	1.8121531 × 10^7
Engineering notation	1.8121531 × 10^6

Prime Factorization of 18121531

Prime Factorization 18121531

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	18121531	Product of the distinct prime numbers

The prime factorization of 18121531 is 18121531. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 2, 66, 53, 358, 708, 5998, 7056, 46961, 45383, 402879, 318561, 9648450, 7581290, 28249351, 28775197, 665287815, 687179843, 8996363717, 8230433630

Basic calculations (n = 18121531)

Multiplication

n×y

n×2	36243062
n×3	54364593
n×4	72486124
n×5	90607655

Division

n÷y

n÷2	9060765.5
n÷3	6040510.3333333
n÷3	4530382.75
n÷5	3624306.2

Exponentiation

n^y

n²	328389885783961
n³	5.9509274953205E+21
n⁴	1.078399170852E+29
n⁵	1.9542244004969E+36

Nth Root

^y√n

²√n	4256.9391585974
³√n	262.66263421394
⁴√n	65.245223262683
⁵√n	28.290392785139

Divisors of 18121531

1, 18121531

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	18121532	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9060766	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4256.9392760527	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998896341	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18121531 can be divided by 2 positive divisors. The sum of these divisors (counting 18121531) is 18121532, the average is 9060766.

Base conversion 18121531

Base	System	Value
2	Binary	1000101001000001100111011
3	Ternary	1021002200001211
4	Quaternary	1011020030323
5	Quinary	14114342111
6	Senary	1444223551
8	Octal	105101473
10	Decimal	18121531
12	Duodecimal	609abb7
16	Hexadecimal	114833b
20	Vigesimal	5d53gb
36	Base36	asenv

Cryptographic Hash Functions

md5	c6822f6a25bcded897ff4c3674773c1f
sha1	37c16f453d42931c869b3b73756f8645b9215d05
sha256	7860f0fb993e80d416b02bec0946ec947f2b583bae9a3bdb5b6b1445f0b55b0b
sha512	00042984f60129f5ee54ffe3a5c30255e350601480e62c2736de3001af4556198a65f73cd185e5b524423332ad5e0535a8fc1917ee9b701f2d9c1e0e83fe53b0
ripemd-160	69e2a645aa11fedba640b75a4f0699796f6c5c77

18121531 as geometric shapes

Circle

Radius = n

Diameter	36243062
Circumference	113860937.3228
Area	1.0316672526921E+15

Sphere

Radius = n

Volume	2.4927186801793E+22
Surface area	4.1266690107683E+15
Circumference	113860937.3228

Square

Length = n

Perimeter	72486124
Area	328389885783961
Diagonal	25627714.911164

Cube

Length = n

Surface area	1970339314703766
Volume	5.9509274953205E+21
Space diagonal	31387412.402934

Equilateral Triangle

Length = n

Perimeter	54364593
Area	1.4219699171739E+14
Altitude	15693706.201467

Triangular Pyramid

Length = n

Surface area	1.4219699171739E+14
Volume	7.0132353104843E+20
Height	8542571.6370548