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

18990131 (number)

18990131 is an odd 8-digits composite number following 18990130 and preceding 18990132. In scientific notation, it is written as 1.8990131 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 18975000 positive integers (up to 18990131) that are relatively prime to 18990131.

Interesting facts

18990131 has 4 divisors, whose sum is 19005264
The reverse of 18990131 is 13109981
Previous prime number is 1381

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	eighteen million nine hundred ninety thousand one hundred thirty-one

Notation

Scientific notation	1.8990131 × 10^7
Engineering notation	1.8990131 × 10^6

Prime Factorization of 18990131

Prime Factorization 1381 × 13751

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18990131	Product of the distinct prime numbers

The prime factorization of 18990131 is 1381 × 13751. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 66, 12, 415, 446, 4929, 9932, 66032, 73990, 565747, 253499, 2157407, 4295393, 74644479, 69161718, 354091450, 438642140, 7339444293, 8531166565

Basic calculations (n = 18990131)

Multiplication

n×y

n×2	37980262
n×3	56970393
n×4	75960524
n×5	94950655

Division

n÷y

n÷2	9495065.5
n÷3	6330043.6666667
n÷3	4747532.75
n÷5	3798026.2

Exponentiation

n^y

n²	360625075397161
n³	6.848317423677E+21
n⁴	1.3005044500521E+29
n⁵	2.4696749872572E+36

Nth Root

^y√n

²√n	4357.7667445608
³√n	266.79395607089
⁴√n	66.013383071623
⁵√n	28.556540415598

Divisors of 18990131

1, 1381, 13751, 18990131

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18990130	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18990131 can be divided by 4 positive divisors. The sum of these divisors (counting 18990131) is 1, the average is 0.25.

Base conversion 18990131

Base	System	Value
2	Binary	1001000011100010000110011
3	Ternary	1022201210120012
4	Quaternary	1020130100303
5	Quinary	14330141011
6	Senary	1515005135
8	Octal	110342063
10	Decimal	18990131
12	Duodecimal	64397ab
16	Hexadecimal	121c433
20	Vigesimal	5idf6b
36	Base36	bb0vn

Cryptographic Hash Functions

md5	276df2619791a6187fc5a0afcf4e662c
sha1	a1b4beb8ceea61a251e7c294785ab5a5360b3b08
sha256	9311fa6f1e774a03ccdb41b785fa8b773174b9d304ad4af31936817706b85219
sha512	4e63d81c06673ef746c7b0ad2289340d9ff1f9b12012b83e946c0714105422f21815d328d67febcde7bce444cf0ce451e0efe8193cd88b275be0bf491292d754
ripemd-160	bc936c9d2edfecd5e4f87f69e2399c2c27ef9c88

18990131 as geometric shapes

Circle

Radius = n

Diameter	37980262
Circumference	119318512.08062
Area	1.132937087568E+15

Sphere

Radius = n

Volume	2.8686164943566E+22
Surface area	4.5317483502719E+15
Circumference	119318512.08062

Square

Length = n

Perimeter	75960524
Area	360625075397161
Diagonal	26856100.811442

Cube

Length = n

Surface area	2163750452382966
Volume	6.848317423677E+21
Space diagonal	32891871.734389

Equilateral Triangle

Length = n

Perimeter	56970393
Area	1.5615523826781E+14
Altitude	16445935.867194

Triangular Pyramid

Length = n

Surface area	1.5615523826781E+14
Volume	8.0708194833333E+20
Height	8952033.6038139