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

20121518 (number)

20121518 is an even 8-digits composite number following 20121517 and preceding 20121519. In scientific notation, it is written as 2.0121518 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 10028304 positive integers (up to 20121518) that are relatively prime to 20121518.

Interesting facts

20121518 has 8 divisors, whose sum is 30279648
The reverse of 20121518 is 81512102
Previous prime number is 313

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.0121518 × 10^7
Engineering notation	2.0121518 × 10^6

Prime Factorization of 20121518

Prime Factorization 2 × 313 × 32143

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121518	Product of the distinct prime numbers

The prime factorization of 20121518 is 2 × 313 × 32143. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 11, 93, 718, 770, 675, 5949, 75517, 87505, 187064, 369008, 938781, 5040270, 50002841, 87180018, 577490006, 530636803, 5555469111, 9232855986

Basic calculations (n = 20121518)

Multiplication

n×y

n×2	40243036
n×3	60364554
n×4	80486072
n×5	100607590

Division

n÷y

n÷2	10060759
n÷3	6707172.6666667
n÷3	5030379.5
n÷5	4024303.6

Exponentiation

n^y

n²	404875486624324
n³	8.1467093918701E+21
n⁴	1.6392415966928E+29
n⁵	3.2984029294204E+36

Nth Root

^y√n

²√n	4485.7015058963
³√n	271.99040299184
⁴√n	66.975379848839
⁵√n	28.888976013688

Divisors of 20121518

1, 2, 313, 626, 32143, 64286, 10060759, 20121518

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	-20121517	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 20121518 can be divided by 8 positive divisors. The sum of these divisors (counting 20121518) is 1, the average is 0.125.

Base conversion 20121518

Base	System	Value
2	Binary	1001100110000011110101110
3	Ternary	1101212021112102
4	Quaternary	1030300132232
5	Quinary	20122342033
6	Senary	1555135102
8	Octal	114603656
10	Decimal	20121518
12	Duodecimal	68a4492
16	Hexadecimal	13307ae
20	Vigesimal	65f3fi
36	Base36	bz9v2

Cryptographic Hash Functions

md5	ce42c37f9fa87b9f84df53122649546d
sha1	bf4f732aa0de19b0baf6f3e13233ec048470d4f2
sha256	59f4c48ff47424ac8eccdaeeb4e8fca5f4a05290b62db72efb06e11c8baa063f
sha512	9c071da0ed70b085b0d34bcb66ae0f38446e1cbb60268e891cf7bdb6029a0af4105d63b1e88c95f1518e928c309a186e0e3765c1d29bd696eb14781d1a7bddd1
ripemd-160	87ca9b667bb3c927e2c624884e64cda827d7a391

20121518 as geometric shapes

Circle

Radius = n

Diameter	40243036
Circumference	126427226.25575
Area	1.2719538543976E+15

Sphere

Radius = n

Volume	3.4124856501907E+22
Surface area	5.0878154175903E+15
Circumference	126427226.25575

Square

Length = n

Perimeter	80486072
Area	404875486624324
Diagonal	28456123.651134

Cube

Length = n

Surface area	2429252919745944
Volume	8.1467093918701E+21
Space diagonal	34851491.501412

Equilateral Triangle

Length = n

Perimeter	60364554
Area	1.7531622839313E+14
Altitude	17425745.750706

Triangular Pyramid

Length = n

Surface area	1.7531622839313E+14
Volume	9.6009890922458E+20
Height	9485374.5503781