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

20181513 (number)

20181513 is an odd 8-digits composite number following 20181512 and preceding 20181514. In scientific notation, it is written as 2.0181513 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 12231200 positive integers (up to 20181513) that are relatively prime to 20181513.

Interesting facts

20181513 has 4 divisors, whose sum is 20793108
The reverse of 20181513 is 31518102
Previous prime number is 33

Basic properties

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

Name

Name	twenty million one hundred eighty-one thousand five hundred thirteen

Notation

Scientific notation	2.0181513 × 10^7
Engineering notation	2.0181513 × 10^6

Prime Factorization of 20181513

Prime Factorization 33 × 611561

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20181513	Product of the distinct prime numbers

The prime factorization of 20181513 is 33 × 611561. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 6, 11, 21, 374, 68, 5315, 3711, 20955, 98123, 521980, 143182, 8533704, 827106, 69741000, 78660763, 448762672, 846440397, 9111125955, 6183825249

Basic calculations (n = 20181513)

Multiplication

n×y

n×2	40363026
n×3	60544539
n×4	80726052
n×5	100907565

Division

n÷y

n÷2	10090756.5
n÷3	6727171
n÷3	5045378.25
n÷5	4036302.6

Exponentiation

n^y

n²	407293466969169
n³	8.2197983984534E+21
n⁴	1.6588796823577E+29
n⁵	3.3478701874937E+36

Nth Root

^y√n

²√n	4492.3838883159
³√n	272.2604600335
⁴√n	67.025248140651
⁵√n	28.906182774193

Divisors of 20181513

1, 33, 611561, 20181513

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	-20181512	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 20181513 can be divided by 4 positive divisors. The sum of these divisors (counting 20181513) is 1, the average is 0.25.

Base conversion 20181513

Base	System	Value
2	Binary	1001100111111001000001001
3	Ternary	1101222022211110
4	Quaternary	1030333020021
5	Quinary	20131302023
6	Senary	2000320533
8	Octal	114771011
10	Decimal	20181513
12	Duodecimal	6913149
16	Hexadecimal	133f209
20	Vigesimal	662dfd
36	Base36	c0k5l

Cryptographic Hash Functions

md5	18c9bb4424166a47a57e9501286e32c9
sha1	82051691ed2364bd06620592749061e0ebff1fdf
sha256	af7b031074dd90887b724014f706962a25153f77a99d8ef5aa4428f7f43f8b0e
sha512	b4e6b3766062f9b97f1454d77b6b14e8eeeb9188bdbbb24cbc063d19548bc977a279c69a946b4ad82127d50f0b3a5a45276f65cccb4e65c247bc9f397d6d12b2
ripemd-160	e89256f81b71ca8791723e88f3da5d947dbbb42b

20181513 as geometric shapes

Circle

Radius = n

Diameter	40363026
Circumference	126804185.95825
Area	1.2795501636855E+15

Sphere

Radius = n

Volume	3.443101101676E+22
Surface area	5.1182006547418E+15
Circumference	126804185.95825

Square

Length = n

Perimeter	80726052
Area	407293466969169
Diagonal	28540969.393809

Cube

Length = n

Surface area	2443760801815014
Volume	8.2197983984534E+21
Space diagonal	34955405.889612

Equilateral Triangle

Length = n

Perimeter	60544539
Area	1.7636324459537E+14
Altitude	17477702.944806

Triangular Pyramid

Length = n

Surface area	1.7636324459537E+14
Volume	9.6871253125545E+20
Height	9513656.464603