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

20181631 (number)

20181631 is an odd 8-digits prime number following 20181630 and preceding 20181632. In scientific notation, it is written as 2.0181631 × 10^7. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 20181630 positive integers (up to 20181631) that are relatively prime to 20181631.

Interesting facts

20181631 has 2 divisors, whose sum is 20181632
The reverse of 20181631 is 13618102
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	twenty million one hundred eighty-one thousand six hundred thirty-one

Notation

Scientific notation	2.0181631 × 10^7
Engineering notation	2.0181631 × 10^6

Prime Factorization of 20181631

Prime Factorization 20181631

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20181631	Product of the distinct prime numbers

The prime factorization of 20181631 is 20181631. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 2, 98, 6, 472, 740, 9681, 5072, 89172, 17479, 158796, 189788, 6674334, 1971581, 75335512, 7375212, 715416157, 364431510, 530639761, 1250178424

Basic calculations (n = 20181631)

Multiplication

n×y

n×2	40363262
n×3	60544893
n×4	80726524
n×5	100908155

Division

n÷y

n÷2	10090815.5
n÷3	6727210.3333333
n÷3	5045407.75
n÷5	4036326.2

Exponentiation

n^y

n²	407298229820161
n³	8.2199425811837E+21
n⁴	1.6589184801464E+29
n⁵	3.3479680625395E+36

Nth Root

^y√n

²√n	4492.3970216356
³√n	272.26099066223
⁴√n	67.025346113508
⁵√n	28.90621657663

Divisors of 20181631

1, 20181631

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20181632	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10090816	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4492.3971329347	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999009	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181631 can be divided by 2 positive divisors. The sum of these divisors (counting 20181631) is 20181632, the average is 10090816.

Base conversion 20181631

Base	System	Value
2	Binary	1001100111111001001111111
3	Ternary	1101222022222211
4	Quaternary	1030333021333
5	Quinary	20131303011
6	Senary	2000321251
8	Octal	114771177
10	Decimal	20181631
12	Duodecimal	6913227
16	Hexadecimal	133f27f
20	Vigesimal	662e1b
36	Base36	c0k8v

Cryptographic Hash Functions

md5	2623862e3035acea213da0ff21fa16d2
sha1	be353aa7f7a7b74f48d9510ee129c472f944ed42
sha256	3a2147c15c6b2f6836e410b90b37873ddaaf7cbf57ee02ba57bb0fd1af47f092
sha512	f7719df48208beb05d25793bcba958c298c43f338a51d189b237766eeb25b5f2283b4ff44eca25b4b561b4bd8055e3f51606f7bb22d7336aa11a033e45a4f514
ripemd-160	53513ba80ffb68f166c781a4e9bc1bbae29d4b99

20181631 as geometric shapes

Circle

Radius = n

Diameter	40363262
Circumference	126804927.37412
Area	1.2795651266231E+15

Sphere

Radius = n

Volume	3.4431614967969E+22
Surface area	5.1182605064926E+15
Circumference	126804927.37412

Square

Length = n

Perimeter	80726524
Area	407298229820161
Diagonal	28541136.271009

Cube

Length = n

Surface area	2443789378920966
Volume	8.2199425811837E+21
Space diagonal	34955610.271607

Equilateral Triangle

Length = n

Perimeter	60544893
Area	1.7636530697035E+14
Altitude	17477805.135804

Triangular Pyramid

Length = n

Surface area	1.7636530697035E+14
Volume	9.6872952335317E+20
Height	9513712.0903364